Restructured operator's terminal code and added channel to gracefully close terminal on "exit|quit" command and Ctrl+C
This commit is contained in:
Pavlo Khazov
162
operator/command_processor.go
Normal file
162
operator/command_processor.go
Normal file
@@ -0,0 +1,162 @@
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package main
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import (
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"crypto/tls"
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"fmt"
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"io"
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"slices"
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"strings"
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"github.com/chzyer/readline"
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)
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// Handles operator commands and context switching
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func processOperatorCommand(command string, conn *tls.Conn, rl *readline.Instance, doneChan chan struct{}) bool {
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if command == "" {
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return false
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}
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// Handle exit command
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if command == "exit" {
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// Exit from agent context
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if currentAgentContext != "" {
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currentAgentContext = ""
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rl.SetPrompt("\033[31mSigma >\033[0m ")
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// Update tab completion after context change
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rl.Config.AutoComplete = getCompleter()
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return false
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} else {
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// Exit from application
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fmt.Println("Exiting...")
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conn.Write([]byte(command))
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close(doneChan) // signal graceful exit
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return true
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}
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}
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// Exit from application and disregard context
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if command == "quit" {
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fmt.Println("Exiting...")
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conn.Write([]byte("exit"))
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close(doneChan) // signal graceful exit
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return true
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}
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// Handle interact command
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if strings.HasPrefix(command, "interact") {
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handleInteractCommand(command, rl)
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return false
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}
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// Handle command in agent context
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if currentAgentContext != "" && isControlCommand(command) {
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command = currentAgentContext + " " + command
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}
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if command == "help" {
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if currentAgentContext != "" {
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command = "context_help"
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} else {
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command = "general_help"
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}
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}
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// Send command to server
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_, err := conn.Write([]byte(command))
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if err != nil {
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fmt.Printf("Error sending command: %v", err)
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return true
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}
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return false
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}
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// Executes the main command processing loop
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func runCommandLoop(conn *tls.Conn, rl *readline.Instance, exitChan chan struct{}, doneChan chan struct{}) {
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for {
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select {
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case <-exitChan:
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fmt.Println("Exiting due to lost connection.")
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return
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default:
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line, err := rl.Readline()
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if err != nil {
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if err == readline.ErrInterrupt {
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if len(line) == 0 {
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fmt.Println("\nExiting...")
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close(doneChan) // signal graceful exit
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return
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}
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continue
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} else if err == io.EOF {
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fmt.Println("\nExiting...")
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return
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}
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fmt.Printf("Error reading line: %v", err)
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continue
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}
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command := strings.TrimSpace(line)
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// Print the command to terminal history before processing
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if command != "" {
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// Construct the prompt based on current context
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var currentPrompt string
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if currentAgentContext != "" {
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currentPrompt = fmt.Sprintf("\033[31mSigma [%s] >\033[0m ", currentAgentContext)
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} else {
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currentPrompt = "\033[31mSigma >\033[0m "
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}
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rl.Stdout().Write([]byte(currentPrompt + command + "\n"))
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}
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shouldExit := processOperatorCommand(command, conn, rl, doneChan)
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if shouldExit {
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return
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}
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}
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}
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}
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// Check if command is a task for agent
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func isControlCommand(command string) bool {
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// Split the command into words
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parts := strings.Fields(command)
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if len(parts) == 0 {
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fmt.Println("Empty command :(")
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return false
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}
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// Check if the first word is a context command
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if slices.Contains(implantCommands, parts[0]) {
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return true
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} else {
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return false
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}
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}
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// Processes the interact command for agent context switching
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func handleInteractCommand(command string, rl *readline.Instance) {
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cmd := strings.Fields(command)
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if len(cmd) != 2 {
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fmt.Println("Usage: interact <agent_id>")
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return
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}
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if !slices.Contains(agents, cmd[1]) {
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fmt.Println("Agent not found!")
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return
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}
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// Set new agent context
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currentAgentContext = cmd[1]
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// Update tab completion
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rl.Config.AutoComplete = getCompleter()
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// Update prompt with agent context
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newPrompt := fmt.Sprintf("\033[31mSigma [%s] >\033[0m ", currentAgentContext)
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rl.SetPrompt(newPrompt)
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}
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124
operator/commands.go
Normal file
124
operator/commands.go
Normal file
@@ -0,0 +1,124 @@
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package main
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// Available commands fpr tab completion in main context
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var availableClobalCommands = []struct {
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command string
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subcommands map[string][]string
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}{
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{"agents", nil},
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{"show", map[string][]string{
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"agent": {""}, // Updated dynamically
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"tasks": {""}, // Updated dynamically
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"listeners": nil,
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}},
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{"clear", map[string][]string{
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"tasks": {""}, // Updated dynamically
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}},
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{"listen", map[string][]string{
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"-t": {"ssl", "tcp", "dns"},
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"--transport": {"ssl", "tcp", "dns"},
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"-h": {""},
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"--host": {""},
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"-p": {""},
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"--port": {""},
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"-n": {""},
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"--name": {""},
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}},
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{"modules", nil},
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{"stop", map[string][]string{
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"listener": {""}, // Updated dynamically
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}},
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{"generate", map[string][]string{
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"agent": {""}, // Updated dynamically
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"beacon": {""}, // Updated dynamically
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}},
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{"interact", map[string][]string{
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"": {""}, // Updated dynamically
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}},
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{"exit", nil},
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{"quit", nil},
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}
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// Available commands fpr tab completion in agent context
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var availableContextCommands = []struct {
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command string
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subcommands map[string][]string
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}{
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{"agents", nil},
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{"show", map[string][]string{
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"agent": {""}, // Updated dynamically
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"tasks": {""}, // Updated dynamically
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}},
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{"clear", map[string][]string{
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"tasks": {""}, // Updated dynamically
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}},
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{"modules", nil},
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{"sleep", map[string][]string{"": {""}}},
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{"cmd", map[string][]string{"": {""}}},
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{"powershell", map[string][]string{"": {""}}},
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{"runexe", map[string][]string{"": {""}}},
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{"rundll", map[string][]string{"": {""}}},
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{"sysinfo", map[string][]string{"": {""}}},
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{"files", map[string][]string{"": {""}}},
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{"artifacts", map[string][]string{"": {""}}},
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{"cd", map[string][]string{"": {""}}},
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{"ls", map[string][]string{"": {""}}},
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{"pwd", nil},
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{"dir", map[string][]string{"": {""}}},
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{"inject", map[string][]string{"": {""}}},
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{"spawn", map[string][]string{"": {""}}},
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{"keylogger", map[string][]string{
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"start": {""},
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"stop": {""},
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}},
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{"persistence", map[string][]string{
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"add": {""},
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"remove": {""},
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}},
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{"download", map[string][]string{"": {""}}},
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{"upload", map[string][]string{"": {""}}},
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{"proxy", map[string][]string{
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"start": {""},
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"stop": {""},
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}},
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{"kill", map[string][]string{"": {""}}},
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{"cleanup", map[string][]string{"": {""}}},
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{"exit", nil},
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{"quit", nil},
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}
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// Commands which agentID is appended to
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var implantCommands = []string{
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"sleep", "cmd", "powershell", "runexe", "rundll", "sysinfo", "files", "keylogger",
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"persistence", "download", "upload", "artifacts", "kill", "cleanup",
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"exit", "cd", "ls", "pwd", "dir", "proxy", "ps", "inject", "spawn",
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}
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// Update available listener names for "generate agent" and "generate beacon" and for "stop listeners"
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func UpdateListenersSubCommands(listeners []string) {
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for i := range availableClobalCommands {
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switch availableClobalCommands[i].command {
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case "generate":
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availableClobalCommands[i].subcommands["agent"] = listeners
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availableClobalCommands[i].subcommands["beacon"] = listeners
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case "stop":
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availableClobalCommands[i].subcommands["listener"] = listeners
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}
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}
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}
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// Update available commands to auto-complete agent names
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func UpdateAgentsSubCommands(agentList []string) {
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agents = agentList
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for i := range availableClobalCommands {
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switch availableClobalCommands[i].command {
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case "show":
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availableClobalCommands[i].subcommands["agent"] = agentList
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availableClobalCommands[i].subcommands["tasks"] = agentList
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case "clear":
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availableClobalCommands[i].subcommands["tasks"] = agentList
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case "interact":
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availableClobalCommands[i].subcommands[""] = agentList
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}
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}
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}
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99
operator/completion.go
Normal file
99
operator/completion.go
Normal file
@@ -0,0 +1,99 @@
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package main
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import "github.com/chzyer/readline"
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// To store list of agents for tab completion
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var agents []string
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// Empty when in main context
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var currentAgentContext string
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// Build tab completer
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func getCompleter() *readline.PrefixCompleter {
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var items []readline.PrefixCompleterInterface
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if currentAgentContext != "" {
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// Agent context: include context commands, exit, and interact
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for _, cmd := range availableContextCommands {
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if cmd.subcommands != nil {
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var subItems []readline.PrefixCompleterInterface
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for sub, subsub := range cmd.subcommands {
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if sub == "" {
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for _, s := range subsub {
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subItems = append(subItems, readline.PcItem(s))
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}
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} else {
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nestedItems := make([]readline.PrefixCompleterInterface, len(subsub))
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for i, subsubCmd := range subsub {
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nestedItems[i] = readline.PcItem(subsubCmd)
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}
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subItems = append(subItems, readline.PcItem(sub, nestedItems...))
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}
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}
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items = append(items, readline.PcItem(cmd.command, subItems...))
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} else {
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items = append(items, readline.PcItem(cmd.command))
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}
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}
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// Add exit and interact explicitly
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items = append(items, readline.PcItem("exit"))
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var interactSubItems []readline.PrefixCompleterInterface
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for _, agent := range agents {
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interactSubItems = append(interactSubItems, readline.PcItem(agent))
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}
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items = append(items, readline.PcItem("interact", interactSubItems...))
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} else {
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// Main context: include global commands and agent IDs with context commands
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// Add global commands
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for _, cmd := range availableClobalCommands {
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if cmd.subcommands != nil {
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var subItems []readline.PrefixCompleterInterface
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for sub, subsub := range cmd.subcommands {
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if sub == "" {
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for _, s := range subsub {
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subItems = append(subItems, readline.PcItem(s))
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}
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} else {
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nestedItems := make([]readline.PrefixCompleterInterface, len(subsub))
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for i, subsubCmd := range subsub {
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nestedItems[i] = readline.PcItem(subsubCmd)
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}
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subItems = append(subItems, readline.PcItem(sub, nestedItems...))
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}
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}
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items = append(items, readline.PcItem(cmd.command, subItems...))
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} else {
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items = append(items, readline.PcItem(cmd.command))
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}
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}
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// Add agent IDs with context commands as subcommands
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for _, agent := range agents {
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var agentSubItems []readline.PrefixCompleterInterface
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for _, cmd := range availableContextCommands {
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if cmd.subcommands != nil {
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var subItems []readline.PrefixCompleterInterface
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for sub, subsub := range cmd.subcommands {
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if sub == "" {
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for _, s := range subsub {
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subItems = append(subItems, readline.PcItem(s))
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}
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} else {
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nestedItems := make([]readline.PrefixCompleterInterface, len(subsub))
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for i, subsubCmd := range subsub {
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nestedItems[i] = readline.PcItem(subsubCmd)
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}
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subItems = append(subItems, readline.PcItem(sub, nestedItems...))
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}
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}
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agentSubItems = append(agentSubItems, readline.PcItem(cmd.command, subItems...))
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} else {
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agentSubItems = append(agentSubItems, readline.PcItem(cmd.command))
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}
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}
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items = append(items, readline.PcItem(agent, agentSubItems...))
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}
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}
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return readline.NewPrefixCompleter(items...)
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}
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@@ -5,11 +5,8 @@ import (
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"crypto/x509"
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"flag"
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"fmt"
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"io"
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"log"
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"os"
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"slices"
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"strings"
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"github.com/chzyer/readline"
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)
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@@ -22,223 +19,6 @@ var clientCertPath = "certificates/client.crt"
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var clientKeyPath = "certificates/client.key"
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var caCertPath = "certificates/ca.crt"
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|
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// Available commands fpr tab completion in main context
|
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var availableClobalCommands = []struct {
|
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command string
|
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subcommands map[string][]string
|
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}{
|
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{"agents", nil},
|
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{"show", map[string][]string{
|
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"agent": {""}, // Updated dynamically
|
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"tasks": {""}, // Updated dynamically
|
||||
"listeners": nil,
|
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}},
|
||||
{"clear", map[string][]string{
|
||||
"tasks": {""}, // Updated dynamically
|
||||
}},
|
||||
{"listen", map[string][]string{
|
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"-t": {"ssl", "tcp", "dns"},
|
||||
"--transport": {"ssl", "tcp", "dns"},
|
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"-h": {""},
|
||||
"--host": {""},
|
||||
"-p": {""},
|
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"--port": {""},
|
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"-n": {""},
|
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"--name": {""},
|
||||
}},
|
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{"modules", nil},
|
||||
{"stop", map[string][]string{
|
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"listener": {""}, // Updated dynamically
|
||||
}},
|
||||
{"generate", map[string][]string{
|
||||
"agent": {""}, // Updated dynamically
|
||||
"beacon": {""}, // Updated dynamically
|
||||
}},
|
||||
{"interact", map[string][]string{
|
||||
"": {""}, // Updated dynamically
|
||||
}},
|
||||
{"exit", nil},
|
||||
{"quit", nil},
|
||||
}
|
||||
|
||||
// Available commands fpr tab completion in agent context
|
||||
var availableContextCommands = []struct {
|
||||
command string
|
||||
subcommands map[string][]string
|
||||
}{
|
||||
{"agents", nil},
|
||||
{"show", map[string][]string{
|
||||
"agent": {""}, // Updated dynamically
|
||||
"tasks": {""}, // Updated dynamically
|
||||
}},
|
||||
{"clear", map[string][]string{
|
||||
"tasks": {""}, // Updated dynamically
|
||||
}},
|
||||
{"modules", nil},
|
||||
{"sleep", map[string][]string{"": {""}}},
|
||||
{"cmd", map[string][]string{"": {""}}},
|
||||
{"powershell", map[string][]string{"": {""}}},
|
||||
{"runexe", map[string][]string{"": {""}}},
|
||||
{"rundll", map[string][]string{"": {""}}},
|
||||
{"sysinfo", map[string][]string{"": {""}}},
|
||||
{"files", map[string][]string{"": {""}}},
|
||||
{"artifacts", map[string][]string{"": {""}}},
|
||||
{"cd", map[string][]string{"": {""}}},
|
||||
{"ls", map[string][]string{"": {""}}},
|
||||
{"pwd", map[string][]string{"": {""}}},
|
||||
{"dir", map[string][]string{"": {""}}},
|
||||
{"inject", map[string][]string{"": {""}}},
|
||||
{"spawn", map[string][]string{"": {""}}},
|
||||
{"keylogger", map[string][]string{
|
||||
"start": {""},
|
||||
"stop": {""},
|
||||
}},
|
||||
{"persistence", map[string][]string{
|
||||
"add": {""},
|
||||
"remove": {""},
|
||||
}},
|
||||
{"download", map[string][]string{"": {""}}},
|
||||
{"upload", map[string][]string{"": {""}}},
|
||||
{"proxy", map[string][]string{
|
||||
"start": {""},
|
||||
"stop": {""},
|
||||
}},
|
||||
{"kill", map[string][]string{"": {""}}},
|
||||
{"cleanup", map[string][]string{"": {""}}},
|
||||
}
|
||||
|
||||
// Commands which agentID is appended to
|
||||
var contextCommands = []string{
|
||||
"sleep", "cmd", "powershell", "runexe", "rundll", "sysinfo", "files", "keylogger",
|
||||
"persistence", "download", "upload", "artifacts", "kill", "cleanup",
|
||||
"exit", "cd", "ls", "pwd", "dir", "proxy", "ps", "inject", "spawn",
|
||||
}
|
||||
|
||||
// To store list of agents for tab completion
|
||||
var agents []string
|
||||
|
||||
// Empty when in main context
|
||||
var currentAgentContext string
|
||||
|
||||
// Update available listener names for "generate agent" and "generate beacon" and for "stop listeners"
|
||||
func UpdateListenersSubCommands(listeners []string) {
|
||||
for i := range availableClobalCommands {
|
||||
switch availableClobalCommands[i].command {
|
||||
case "generate":
|
||||
availableClobalCommands[i].subcommands["agent"] = listeners
|
||||
availableClobalCommands[i].subcommands["beacon"] = listeners
|
||||
case "stop":
|
||||
availableClobalCommands[i].subcommands["listener"] = listeners
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Update available commands to auto-complete agent names
|
||||
func UpdateAgentsSubCommands(agentList []string) {
|
||||
agents = agentList
|
||||
for i := range availableClobalCommands {
|
||||
switch availableClobalCommands[i].command {
|
||||
case "show":
|
||||
availableClobalCommands[i].subcommands["agent"] = agentList
|
||||
availableClobalCommands[i].subcommands["tasks"] = agentList
|
||||
case "clear":
|
||||
availableClobalCommands[i].subcommands["tasks"] = agentList
|
||||
case "interact":
|
||||
availableClobalCommands[i].subcommands[""] = agentList
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Build tab completer
|
||||
func getCompleter() *readline.PrefixCompleter {
|
||||
var items []readline.PrefixCompleterInterface
|
||||
|
||||
if currentAgentContext != "" {
|
||||
// Agent context: include context commands, exit, and interact
|
||||
for _, cmd := range availableContextCommands {
|
||||
if cmd.subcommands != nil {
|
||||
var subItems []readline.PrefixCompleterInterface
|
||||
for sub, subsub := range cmd.subcommands {
|
||||
if sub == "" {
|
||||
for _, s := range subsub {
|
||||
subItems = append(subItems, readline.PcItem(s))
|
||||
}
|
||||
} else {
|
||||
nestedItems := make([]readline.PrefixCompleterInterface, len(subsub))
|
||||
for i, subsubCmd := range subsub {
|
||||
nestedItems[i] = readline.PcItem(subsubCmd)
|
||||
}
|
||||
subItems = append(subItems, readline.PcItem(sub, nestedItems...))
|
||||
}
|
||||
}
|
||||
items = append(items, readline.PcItem(cmd.command, subItems...))
|
||||
} else {
|
||||
items = append(items, readline.PcItem(cmd.command))
|
||||
}
|
||||
}
|
||||
// Add exit and interact explicitly
|
||||
items = append(items, readline.PcItem("exit"))
|
||||
var interactSubItems []readline.PrefixCompleterInterface
|
||||
for _, agent := range agents {
|
||||
interactSubItems = append(interactSubItems, readline.PcItem(agent))
|
||||
}
|
||||
items = append(items, readline.PcItem("interact", interactSubItems...))
|
||||
} else {
|
||||
// Main context: include global commands and agent IDs with context commands
|
||||
// Add global commands
|
||||
for _, cmd := range availableClobalCommands {
|
||||
if cmd.subcommands != nil {
|
||||
var subItems []readline.PrefixCompleterInterface
|
||||
for sub, subsub := range cmd.subcommands {
|
||||
if sub == "" {
|
||||
for _, s := range subsub {
|
||||
subItems = append(subItems, readline.PcItem(s))
|
||||
}
|
||||
} else {
|
||||
nestedItems := make([]readline.PrefixCompleterInterface, len(subsub))
|
||||
for i, subsubCmd := range subsub {
|
||||
nestedItems[i] = readline.PcItem(subsubCmd)
|
||||
}
|
||||
subItems = append(subItems, readline.PcItem(sub, nestedItems...))
|
||||
}
|
||||
}
|
||||
items = append(items, readline.PcItem(cmd.command, subItems...))
|
||||
} else {
|
||||
items = append(items, readline.PcItem(cmd.command))
|
||||
}
|
||||
}
|
||||
|
||||
// Add agent IDs with context commands as subcommands
|
||||
for _, agent := range agents {
|
||||
var agentSubItems []readline.PrefixCompleterInterface
|
||||
for _, cmd := range availableContextCommands {
|
||||
if cmd.subcommands != nil {
|
||||
var subItems []readline.PrefixCompleterInterface
|
||||
for sub, subsub := range cmd.subcommands {
|
||||
if sub == "" {
|
||||
for _, s := range subsub {
|
||||
subItems = append(subItems, readline.PcItem(s))
|
||||
}
|
||||
} else {
|
||||
nestedItems := make([]readline.PrefixCompleterInterface, len(subsub))
|
||||
for i, subsubCmd := range subsub {
|
||||
nestedItems[i] = readline.PcItem(subsubCmd)
|
||||
}
|
||||
subItems = append(subItems, readline.PcItem(sub, nestedItems...))
|
||||
}
|
||||
}
|
||||
agentSubItems = append(agentSubItems, readline.PcItem(cmd.command, subItems...))
|
||||
} else {
|
||||
agentSubItems = append(agentSubItems, readline.PcItem(cmd.command))
|
||||
}
|
||||
}
|
||||
items = append(items, readline.PcItem(agent, agentSubItems...))
|
||||
}
|
||||
}
|
||||
|
||||
return readline.NewPrefixCompleter(items...)
|
||||
}
|
||||
|
||||
// Configure readline interface
|
||||
func setupReadline() (*readline.Instance, error) {
|
||||
rlConfig := &readline.Config{
|
||||
@@ -260,202 +40,6 @@ func setupReadline() (*readline.Instance, error) {
|
||||
return rl, nil
|
||||
}
|
||||
|
||||
// Goroutine to listen for server messages
|
||||
func startServerListener(conn *tls.Conn, rl *readline.Instance, exitChan chan struct{}) {
|
||||
go func() {
|
||||
for {
|
||||
serverMsg := make([]byte, 4096)
|
||||
n, err := conn.Read(serverMsg)
|
||||
if err != nil {
|
||||
fmt.Println("Connection to server lost:", err)
|
||||
close(exitChan)
|
||||
return
|
||||
}
|
||||
|
||||
// Parse the server message
|
||||
message := string(serverMsg[:n])
|
||||
handleServerMessage(message, rl)
|
||||
}
|
||||
}()
|
||||
}
|
||||
|
||||
// Processes messages received from the server
|
||||
func handleServerMessage(message string, rl *readline.Instance) {
|
||||
// Tab-completion update with listeners
|
||||
if strings.HasPrefix(message, "LISTENERS_UPDATE:") {
|
||||
// Extract the listener names from the message
|
||||
listeners := strings.Split(strings.TrimPrefix(message, "LISTENERS_UPDATE:"), ",")
|
||||
|
||||
// Update subcommands
|
||||
UpdateListenersSubCommands(listeners)
|
||||
|
||||
// Rebuild the tab completion
|
||||
rl.Config.AutoComplete = getCompleter()
|
||||
rl.Refresh()
|
||||
|
||||
// Tab-completion update with new agents
|
||||
} else if strings.HasPrefix(message, "AGENTS_UPDATE:") {
|
||||
// Extract the agent names from the message
|
||||
agents = strings.Split(strings.TrimPrefix(message, "AGENTS_UPDATE:"), ",")
|
||||
|
||||
// Update subcommands
|
||||
UpdateAgentsSubCommands(agents)
|
||||
|
||||
// Rebuild the tab completion
|
||||
rl.Config.AutoComplete = getCompleter()
|
||||
rl.Refresh()
|
||||
|
||||
// Handle usual messages
|
||||
} else if strings.HasPrefix(message, "TASK_RESULT:") {
|
||||
substr, _ := strings.CutPrefix(message, "TASK_RESULT:")
|
||||
// Use readline's Stdout() method to get the writer and write to it
|
||||
rl.Stdout().Write([]byte("[+]" + substr + "\n"))
|
||||
} else {
|
||||
// Use readline's Stdout() method to get the writer and write to it
|
||||
rl.Stdout().Write([]byte(message + "\n"))
|
||||
}
|
||||
}
|
||||
|
||||
// Handles operator commands and context switching
|
||||
func processOperatorCommand(command string, conn *tls.Conn, rl *readline.Instance) bool {
|
||||
if command == "" {
|
||||
return false
|
||||
}
|
||||
|
||||
// Handle exit command
|
||||
if command == "exit" {
|
||||
// Exit from agent context
|
||||
if currentAgentContext != "" {
|
||||
currentAgentContext = ""
|
||||
rl.SetPrompt("\033[31mSigma >\033[0m ")
|
||||
|
||||
// Update tab completion after context change
|
||||
rl.Config.AutoComplete = getCompleter()
|
||||
return false
|
||||
} else {
|
||||
// Exit from application
|
||||
fmt.Println("Exiting...")
|
||||
conn.Write([]byte(command))
|
||||
return true
|
||||
}
|
||||
}
|
||||
|
||||
// Exit from application and disregard context
|
||||
if command == "quit" {
|
||||
fmt.Println("Exiting...")
|
||||
conn.Write([]byte("exit"))
|
||||
return true
|
||||
}
|
||||
|
||||
// Handle interact command
|
||||
if strings.HasPrefix(command, "interact") {
|
||||
handleInteractCommand(command, rl)
|
||||
return false
|
||||
}
|
||||
|
||||
// Handle command in agent context
|
||||
if currentAgentContext != "" && isControlCommand(command) {
|
||||
command = currentAgentContext + " " + command
|
||||
}
|
||||
|
||||
// Send command to server
|
||||
_, err := conn.Write([]byte(command))
|
||||
if err != nil {
|
||||
fmt.Printf("Error sending command: %v", err)
|
||||
return true
|
||||
}
|
||||
|
||||
return false
|
||||
}
|
||||
|
||||
// Check if command is a task for agent
|
||||
func isControlCommand(command string) bool {
|
||||
// Split the command into words
|
||||
parts := strings.Fields(command)
|
||||
if len(parts) == 0 {
|
||||
fmt.Println("Empty command :(")
|
||||
return false
|
||||
}
|
||||
|
||||
// Check if the first word is a context command
|
||||
if slices.Contains(contextCommands, parts[0]) {
|
||||
return true
|
||||
} else {
|
||||
return false
|
||||
}
|
||||
}
|
||||
|
||||
// Processes the interact command for agent context switching
|
||||
func handleInteractCommand(command string, rl *readline.Instance) {
|
||||
cmd := strings.Fields(command)
|
||||
|
||||
if len(cmd) != 2 {
|
||||
fmt.Println("Usage: interact <agent_id>")
|
||||
return
|
||||
}
|
||||
|
||||
if !slices.Contains(agents, cmd[1]) {
|
||||
fmt.Println("Agent not found!")
|
||||
return
|
||||
}
|
||||
|
||||
// Set new agent context
|
||||
currentAgentContext = cmd[1]
|
||||
|
||||
// Update tab completion
|
||||
rl.Config.AutoComplete = getCompleter()
|
||||
|
||||
// Update prompt with agent context
|
||||
newPrompt := fmt.Sprintf("\033[31mSigma [%s] >\033[0m ", currentAgentContext)
|
||||
rl.SetPrompt(newPrompt)
|
||||
}
|
||||
|
||||
// Executes the main command processing loop
|
||||
func runCommandLoop(conn *tls.Conn, rl *readline.Instance, exitChan chan struct{}) {
|
||||
for {
|
||||
select {
|
||||
case <-exitChan:
|
||||
fmt.Println("Exiting due to lost connection.")
|
||||
return
|
||||
default:
|
||||
line, err := rl.Readline()
|
||||
if err != nil {
|
||||
if err == readline.ErrInterrupt {
|
||||
if len(line) == 0 {
|
||||
fmt.Println("\nExiting...")
|
||||
return
|
||||
}
|
||||
continue
|
||||
} else if err == io.EOF {
|
||||
fmt.Println("\nExiting...")
|
||||
return
|
||||
}
|
||||
fmt.Printf("Error reading line: %v", err)
|
||||
continue
|
||||
}
|
||||
|
||||
command := strings.TrimSpace(line)
|
||||
|
||||
// Print the command to terminal history before processing
|
||||
if command != "" {
|
||||
// Construct the prompt based on current context
|
||||
var currentPrompt string
|
||||
if currentAgentContext != "" {
|
||||
currentPrompt = fmt.Sprintf("\033[31mSigma [%s] >\033[0m ", currentAgentContext)
|
||||
} else {
|
||||
currentPrompt = "\033[31mSigma >\033[0m "
|
||||
}
|
||||
rl.Stdout().Write([]byte(currentPrompt + command + "\n"))
|
||||
}
|
||||
|
||||
shouldExit := processOperatorCommand(command, conn, rl)
|
||||
if shouldExit {
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Prepares the TLS configuration for secure connection
|
||||
func setupTLSConfig() (*tls.Config, error) {
|
||||
// Load CA certificate
|
||||
@@ -563,10 +147,11 @@ func main() {
|
||||
|
||||
// Create exit channel
|
||||
exitChan := make(chan struct{})
|
||||
doneChan := make(chan struct{}) // new: signals graceful exit
|
||||
|
||||
// Start server message listener
|
||||
startServerListener(conn, rl, exitChan)
|
||||
startServerListener(conn, rl, exitChan, doneChan)
|
||||
|
||||
// Run main command loop
|
||||
runCommandLoop(conn, rl, exitChan)
|
||||
runCommandLoop(conn, rl, exitChan, doneChan)
|
||||
}
|
||||
|
||||
76
operator/server_listener.go
Normal file
76
operator/server_listener.go
Normal file
@@ -0,0 +1,76 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"crypto/tls"
|
||||
"fmt"
|
||||
"strings"
|
||||
|
||||
"github.com/chzyer/readline"
|
||||
)
|
||||
|
||||
// Goroutine to listen for server messages
|
||||
func startServerListener(conn *tls.Conn, rl *readline.Instance, exitChan, doneChan chan struct{}) {
|
||||
go func() {
|
||||
serverMsg := make([]byte, 4096)
|
||||
for {
|
||||
select {
|
||||
case <-exitChan:
|
||||
return
|
||||
default:
|
||||
n, err := conn.Read(serverMsg)
|
||||
if err != nil {
|
||||
select {
|
||||
case <-doneChan:
|
||||
// Graceful exit, user typed "exit" or "quit"
|
||||
return
|
||||
default:
|
||||
// Unexpected disconnect
|
||||
fmt.Println("Connection to server lost:", err)
|
||||
close(exitChan)
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
message := string(serverMsg[:n])
|
||||
handleServerMessage(message, rl)
|
||||
}
|
||||
}
|
||||
}()
|
||||
}
|
||||
|
||||
// Processes messages received from the server
|
||||
func handleServerMessage(message string, rl *readline.Instance) {
|
||||
// Tab-completion update with listeners
|
||||
if strings.HasPrefix(message, "LISTENERS_UPDATE:") {
|
||||
// Extract the listener names from the message
|
||||
listeners := strings.Split(strings.TrimPrefix(message, "LISTENERS_UPDATE:"), ",")
|
||||
|
||||
// Update subcommands
|
||||
UpdateListenersSubCommands(listeners)
|
||||
|
||||
// Rebuild the tab completion
|
||||
rl.Config.AutoComplete = getCompleter()
|
||||
rl.Refresh()
|
||||
|
||||
// Tab-completion update with new agents
|
||||
} else if strings.HasPrefix(message, "AGENTS_UPDATE:") {
|
||||
// Extract the agent names from the message
|
||||
agents = strings.Split(strings.TrimPrefix(message, "AGENTS_UPDATE:"), ",")
|
||||
|
||||
// Update subcommands
|
||||
UpdateAgentsSubCommands(agents)
|
||||
|
||||
// Rebuild the tab completion
|
||||
rl.Config.AutoComplete = getCompleter()
|
||||
rl.Refresh()
|
||||
|
||||
// Handle usual messages
|
||||
} else if strings.HasPrefix(message, "TASK_RESULT:") {
|
||||
substr, _ := strings.CutPrefix(message, "TASK_RESULT:")
|
||||
// Use readline's Stdout() method to get the writer and write to it
|
||||
rl.Stdout().Write([]byte("[+]" + substr + "\n"))
|
||||
} else {
|
||||
// Use readline's Stdout() method to get the writer and write to it
|
||||
rl.Stdout().Write([]byte(message + "\n"))
|
||||
}
|
||||
}
|
||||
@@ -11,10 +11,8 @@ import (
|
||||
"github.com/google/shlex"
|
||||
)
|
||||
|
||||
var helpMessage string = `
|
||||
Available commands:
|
||||
|
||||
Agent Management:
|
||||
var generalHelp string = `
|
||||
General commands:
|
||||
agents List all agents that checked-in
|
||||
|
||||
show agent Show information about certain agent
|
||||
@@ -52,10 +50,13 @@ Implants generation:
|
||||
--auto-persistence Add persistence module and launch it on start-up
|
||||
--keylogger Add keylogger module
|
||||
--auto-keylogger Add keylogger module and launch it on start-up
|
||||
--proxy Add SOCKS5 proxy module
|
||||
--proxy Add SOCKS5 proxy module
|
||||
--files Enable periodic file transfer
|
||||
`
|
||||
|
||||
Tasks (Agent):
|
||||
var contextHelp string = `
|
||||
Implant Commands:
|
||||
Agent:
|
||||
sleep Set the connection interval (in seconds) for an agent
|
||||
Usage: sleep <sleep_time>
|
||||
|
||||
@@ -97,14 +98,14 @@ Tasks (Agent):
|
||||
persistence Add/remove persistence via local app data
|
||||
Usage: persistence <add|remove>
|
||||
|
||||
runexe Execute a module on a target
|
||||
rundll Usage: runexe|rundll <module_name>
|
||||
runexe, rundll Execute .exe or .dll on a target (saves to disk)
|
||||
Usage: runexe|rundll <module_name>
|
||||
|
||||
kill Stop agent's process
|
||||
|
||||
cleanup Task agent to stop, remove all traces and self delete
|
||||
|
||||
Tasks (Beacon):
|
||||
Beacon:
|
||||
sleep Set the connection interval (in seconds) for an agent
|
||||
Usage: sleep <time in sec>
|
||||
|
||||
@@ -133,7 +134,7 @@ func ParseOperatorCommands(operatorConn net.Conn, operatorID string) {
|
||||
log.Printf("Received command from operator %s \n", operatorID)
|
||||
|
||||
// Exit command
|
||||
if operatorCommand == "exit" {
|
||||
if operatorCommand == "exit" || operatorCommand == "quit" {
|
||||
log.Printf("Operator %s left us", operatorID)
|
||||
DeleteOperator(operatorID)
|
||||
break
|
||||
@@ -141,8 +142,11 @@ func ParseOperatorCommands(operatorConn net.Conn, operatorID string) {
|
||||
|
||||
switch {
|
||||
|
||||
case operatorCommand == "help":
|
||||
operatorConn.Write([]byte(helpMessage))
|
||||
case operatorCommand == "general_help":
|
||||
operatorConn.Write([]byte(generalHelp))
|
||||
|
||||
case operatorCommand == "context_help":
|
||||
operatorConn.Write([]byte(contextHelp))
|
||||
|
||||
case operatorCommand == "agents":
|
||||
ListAgents(operatorID)
|
||||
|
||||
@@ -1 +1 @@
|
||||
go run operator/operator.go -u Andy -p 12345
|
||||
go run operator/*.go -u Andy -p 12345
|
||||
|
||||
Reference in New Issue
Block a user