TCP port scanner, spews SYN packets asynchronously, scanning entire Internet in under 5 minutes.

A little tool to play with Windows security

John the Ripper jumbo - advanced offline password cracker, which supports hundreds of hash and cipher types, and runs on many operating systems, CPUs, GPUs, and even some FPGAs

Nmap - the Network Mapper. Github mirror of official SVN repository.

Defeating Windows User Account Control

LXC - Linux Containers

Proxmark 3

The new generation chameleon based on NRF52840 makes the performance of card emulation more stable. And gave the chameleon the ability to read, write, and decrypt cards.

A little toolbox to play with Microsoft Kerberos in C

The IKE Scanner

Here are the challenges (including sources) of the GreHack CTF.

a RTE-free X.509 parser

NFS-Ganesha, a NFSv3/NFSv4.x/9P file server in User Space

Net2PCAP is a simple network-to-pcap capture file for Linux. Its goal is to be as simple as possible to be used in hostile environments

Software Radio