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
- john
- c
- ripper
- password
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Extremely fast non-cryptographic hash algorithm
- xxhash
- smhasher
- hash-functions
- c
OSSEC is an Open Source Host-based Intrusion Detection System that performs log analysis, file integrity checking, policy monitoring, rootkit detection, real-time alerting and active response.
- hids
- security
- pci-dss
- nist800-53
State-of-the-art native debugging tools
- hypervisor
- hyperdbg
- debugger
- ept
Optimized C library for EC operations on curve secp256k1
LKM rootkit for Linux Kernels 2.6.x-7.x (x86/x86_64 and ARM/ARM64)
- rootkit
- lkm-rootkit
- c
- kernel
A small set of tools to convert packets from capture files to hash files for use with Hashcat or John the Ripper.
- wlan
- wpa
- wpa2
- raspberry-pi
A Linux eBPF rootkit with a backdoor, C2, library injection, execution hijacking, persistence and stealth capabilities.
LibTomCrypt is a fairly comprehensive, modular and portable cryptographic toolkit that provides developers with a vast array of well known published block ciphers, one-way hash functions, chaining modes, pseudo-random number generators, public key cryptography and a plethora of other routines.
- libtomcrypt
- cryptography
- c
- encryption
BitCracker is the first open source password cracking tool for memory units encrypted with BitLocker
- bitlocker
- password-cracker
- cuda
- cryptography
MIRACL Cryptographic SDK: Multiprecision Integer and Rational Arithmetic Cryptographic Library is a C software library that is widely regarded by developers as the gold standard open source SDK for elliptic curve cryptography (ECC).
High-Performance word generator with a per-position configureable charset
HIBA is a system built on top of regular OpenSSH certificate-based authentication that allows to manage flexible authorization of principals on pools of target hosts without the need to push customized authorized_users files periodically.
🪓 High-Speed Log Analysis & Forensics Tool - Part of NullSec Toolkit
Jailer is an eBPF-based process jailing system that provides mandatory access control (MAC) for Linux. It tracks processes using BPF task_storage maps and enforces role-based policies on file access, network operations, and process execution.
Zero-overhead eBPF process tracer for Linux malware triage and incident response. Traces syscalls, network, and file events per-process without strace overhead.
🛡️ Free AI that blocks hackers while you sleep. Runs on cheap hardware. When someone in Tokyo gets attacked, you're protected in 30 seconds. No fees. No experts needed. Just protection. One node's detection → everyone's protection.
- ai-security
- cybersecurity
- ids
- iot-security