Girsh v0.41 releases: Automatically spawn a reverse shell fully interactive

by do son · Published March 12, 2021 · Updated April 16, 2023

Girsh (Golang Interactive Reverse SHell)

Who didn’t get bored of manually typing the few lines to upgrade a reverse shell to a full interactive reverse shell (tty spawn, stty size …, stty raw -echo) or typing the command to use ConPTY.

Description

With Girsh, just run it and it will detect the OS and execute the correct commands to upgrade it to a full interactive reverse shell.

For a Linux:

Get the terminal’s size
Spawn a tty using python2.7, python3, and python
Change the terminal as raw

For a Windows:

Download ConPTY on the same machine and same port as the reverse shell server
Listen for getting the ConPTY reverse shell

Usage

Two modes are available:

Simple listener

go run main.go listener -h
Usage:
girsh listen [flags]

Flags:
-h, –help help for listen

Global Flags:
-d, –debug Debug output
-p, –port int port to listen (default is 1234) (default 1234)

Interactive

go run main.go -h
Generate a reverseshell oneliners (credits shellerator).
And listen then run stty raw -echo and send the python command to spawn a tty shell if it’s Linux
or use ConPTY if it’s windows

Usage:
girsh [flags]
girsh [command]

Available Commands:
help Help about any command
listen Listen and spawn a fully interactive for windows and linux client

Flags:
-d, –debug Debug output
-h, –help help for revshell
-p, –port int port to listen (default is 1234) (default 1234)