mirror of
https://github.com/EgeBalci/amber
synced 2026-06-06 15:34:33 +00:00
EgeBalci
96 lines
2.0 KiB
Go
96 lines
2.0 KiB
Go
/*
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This is just a simple payload delivery system similar to metasploits reverse TCP handler.
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It first sends the size of the payload in a 4 byte packet then sends the actual payload.
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*/
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package main
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import "github.com/fatih/color"
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import "encoding/binary"
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import "io/ioutil"
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import "strconv"
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import "net"
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import "fmt"
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import "os"
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var Red *color.Color = color.New(color.FgRed)
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var BoldRed *color.Color = Red.Add(color.Bold)
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var Blue *color.Color = color.New(color.FgBlue)
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var BoldBlue *color.Color = Blue.Add(color.Bold)
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var Yellow *color.Color = color.New(color.FgYellow)
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var BoldYellow *color.Color = Yellow.Add(color.Bold)
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var Green *color.Color = color.New(color.FgGreen)
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var BoldGreen *color.Color = Green.Add(color.Bold)
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const VERSION string = "1.0.0"
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func main() {
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var PORT string = "4444"
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ARGS := os.Args[1:]
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if len(ARGS) == 0 || ARGS[0] == "--help" || ARGS[0] == "-h"{
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Help()
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os.Exit(0)
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}
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tmp, err := strconv.Atoi(ARGS[1])
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if err != nil || tmp < 0 || tmp > 65535{
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BoldRed.Println("\n[!] ERROR: Invalid port number.")
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os.Exit(1)
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}
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PORT = ARGS[1]
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File, Err := ioutil.ReadFile(ARGS[0])
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if Err != nil {
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BoldRed.Println("\n[!] ERROR: Can't open the file :(")
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os.Exit(1)
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}
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stageSize := make([]byte, 4)
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binary.LittleEndian.PutUint32(stageSize, uint32(len(File)))
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sock, sockErr := net.Listen("tcp", ":"+PORT)
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if sockErr != nil {
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BoldRed.Println("\n[!] ERROR: Invalid port number.\n")
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fmt.Println(sockErr)
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os.Exit(1)
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}
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BoldBlue.Print("[*] ")
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fmt.Print("Listening on port ",PORT,"\n")
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conn, connErr := sock.Accept()
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if connErr != nil {
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BoldRed.Println("\n[!] ERROR: Connection error.\n")
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fmt.Println(connErr)
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os.Exit(1)
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}
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BoldGreen.Print("[*] ")
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fmt.Print("Sending second stage (",len(File),") byte\n")
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conn.Write([]byte(stageSize))
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conn.Write(File)
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BoldGreen.Println("\n[+] Stage send !")
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}
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func Help() {
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var Help string = `
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USAGE: handler file.stage port
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`
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color.Green(Help)
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} |