#1Tools for maintaining long-term access to compromised systems, even after reboots.
Kitploit recommended

Undetectable Windows Payload Generation
A cross platform C2/post-exploitation framework.

Fileless ring 3 rootkit with installer and persistence that hides processes, files, network connections, etc.

Full-featured C2 framework which silently persists on webserver with a single-line PHP backdoor

Post-exploitation platform automating enumeration, privilege escalation, persistence, and C2 operations via reverse/bind shells with cross-platform…

Collection of Aggressor scripts for Cobalt Strike 3.0+ pulled from multiple sources

Generate Gmail Emailing Keyloggers to Windows.

a tool for pentesters to help find delicious candy, by @l0ss and @Sh3r4 ( Twitter: @/mikeloss and @/sh3r4_hax )

Collection of Offensive C# Tooling


Remote operations commands implemented using Beacon Object Files

Root access to the kernel can be achieved simply by patching the Boot partition for reflashing. This solution is based on a non-parallel extended…

Windows driver with usermode interface which can hide processes, file-system and registry objects, protect processes and etc

Python botnet and backdoor

LD_PRELOAD shared library that hides a Linux process from tools like ps and lsof by intercepting readdir and proc filesystem calls.

SharpGPOAbuse is a .NET application written in C# that can be used to take advantage of a user's edit rights on a Group Policy Object (GPO) in order…

SharpSploit is a .NET post-exploitation library written in C#

SigFlip is a tool for patching authenticode signed PE files (exe, dll, sys ..etc) without invalidating or breaking the existing signature.