Postshell Post Exploitation Bind Backconnect Shell

[ESCO]

PostShell is a post-exploitation shell that includes both a bind and a back connect shell. It creates a fully interactive TTY which allows for job control. The stub size is around 14kb and can be compiled on any Unix like system.

Why not use a traditional Backconnect/Bind Shell?
PostShell allows for easier post-exploitation by making the attacker less dependant on dependencies such as Python and Perl. It also incorporates both a back connect and bind shell, meaning that if a target doesn't allow outgoing connections an operator can simply start a bind shell and connect to the machine remotely. PostShell is also significantly less suspicious than a traditional shell due to the fact both the name of the processes and arguments are cloaked.

Features

• Anti-Debugging, if ptrace is detected as being attached to the shell it will exit.
• Process Name/Thread names are cloaked, a fake name overwrites all of the system arguments and file name to make it seem like a legitimate program.
• TTY, a TTY is created which essentially allows for the same usage of the machine as if you were connected via SSH.
• Bind/Backconnect shell, both a bind shell and back connect can be created.
• Small Stub Size, a very small stub(<14kb) is usually generated.
• Automatically Daemonizes
• Tries to set GUID/UID to 0 (root)

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