1.radareorg / radare2
UNIX-like reverse engineering framework and command-line toolset
- radare2
- c
- commandline
- reverse-engineering
- forensics
- security
- +4 more
Ranked by Attention Score: stars gained over the last 30 complete days
74 repositories by Attention Score · Oct 5, 2026 – Nov 3, 2026 (UTC)
UNIX-like reverse engineering framework and command-line toolset
World's fastest and most advanced password recovery utility
General purpose TLS and crypto library
Disk encryption with strong security based on TrueCrypt
UNIX-like reverse engineering framework and command-line toolset.
Small and highly portable detection tests based on MITRE's ATT&CK.
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
hydra
Capstone disassembly/disassembler framework for ARM, ARM64 (ARMv8), Alpha, BPF, Ethereum VM, HPPA, LoongArch, M68K, M680X, Mips, MOS65XX, PPC, RISC-V(rv32G/rv64G), SH, Sparc, SystemZ, TMS320C64X, TriCore, Webassembly, XCore and X86.
Extremely fast non-cryptographic hash algorithm
eBPF-based Security Observability and Runtime Enforcement
Thefatrat a massive exploiting tool : Easy tool to generate backdoor and easy tool to post exploitation attack like browser attack and etc . This tool compiles a malware with popular payload and then the compiled malware can be execute on windows, android, mac . The malware that created with this tool also have an ability to bypass most AV software protection .
Affordable WiFi hacking platform for testing and learning
AFL++ is a state-of-the-art fuzzer, and #1 in benchmarks. It was originally based on AFL. Today it comes with qemu 5.1, collision-free coverage, enhanced laf-intel & redqueen, AFLfast++ power schedules, MOpt mutators, unicorn_mode, and a lot more!
A modern, portable, easy to use crypto library.
An open source, portable, easy to use, readable and flexible TLS library, and reference implementation of the PSA Cryptography API. Releases are on a varying cadence, typically around 3 - 6 months between releases.
🚀 A fast WebAssembly interpreter and the most universal WASM runtime
Arkime is an open source, large scale, full packet capturing, indexing, and database system.
Hardened allocator designed for modern systems. It has integration into Android's Bionic libc and can be used externally with musl and glibc as a dynamic library for use on other Linux-based platforms. It will gain more portability/integration over time.
WinDivert: Windows Packet Divert
The Sleuth Kit® (TSK) is a library and collection of command line digital forensics tools that allow you to investigate volume and file system data. The library can be incorporated into larger digital forensics tools and the command line tools can be directly used to find evidence.
The wolfSSL library is a small, fast, portable implementation of TLS/SSL for embedded devices to the cloud. wolfSSL supports up to TLS 1.3 and DTLS 1.3! Update to wolfSSL 5.9.1 for the latest CVE fixes.
Kamailio - The Open Source SIP Server for large VoIP and real-time communication platforms, focusing on flexibility, security and scalability
LKM rootkit for Linux Kernels 2.6.x-7.x (x86/x86_64 and ARM/ARM64)
Up to 100x faster strings for C, C++, CUDA, Python, Rust, Swift, JS, & Go, leveraging NEON, AVX2, AVX-512, SVE, GPGPU, & SWAR to accelerate search, hashing, sorting, edit distances, sketches, and memory ops 🦖
Security oriented software fuzzer. Supports evolutionary, feedback-driven fuzzing based on code coverage (SW and HW based)
Process-aware, eBPF-based tcpdump
A small set of tools to convert packets from capture files to hash files for use with Hashcat or John the Ripper.
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.
Miniscule cross-platform eventing, networking & crypto for async applications
Zero-overhead eBPF process tracer for Linux malware triage and incident response. Traces syscalls, network, and file events per-process without strace overhead.
Ncurses based XMPP client
Platform for Architecture-Neutral Dynamic Analysis
Basic implementations of standard cryptography algorithms, like AES and SHA-1.
A Linux eBPF rootkit with a backdoor, C2, library injection, execution hijacking, persistence and stealth capabilities.
OpenSIPS is a GPL implementation of a multi-functionality SIP Server that targets to deliver a high-level technical solution (performance, security and quality) to be used in professional SIP server platforms.
The future of online communications.
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.
A lightweight, secure, easy-to-use crypto library suitable for constrained environments.
Easy to use cryptographic framework for data protection: secure messaging with forward secrecy and secure data storage. Has unified APIs across 14 platforms.
Fork of the popular zip manipulation library found in the zlib distribution.
apfree-wifidog is a high-performance captive portal solution that serves as a gateway between your wireless networks and the Internet. Optimized for both HTTP and HTTPS traffic, it ensures secure border control while enabling seamless user authentication and efficient network management. 购买下面的链接中的服务支持我的开源
NOT MY CODE! Zeus trojan horse - leaked in 2011, I am not the author. This repository is for study purposes only, do not message me about your lame hacking attempts.
eBPF Information Flow Enforcement for AI Agent safety, security and effectiveness
Crack password hashes without the fuss :cat2:
Pafish is a testing tool that uses different techniques to detect virtual machines and malware analysis environments in the same way that malware families do
Linux Binary Exploitation
ebpfkit is a rootkit powered by eBPF
The PE file analysis toolkit
A mysqldump anonymizer
Android Unpacker presented at Defcon 22: Android Hacker Protection Level 0
SSH man-in-the-middle tool
Dynamic unpacker based on PE-sieve
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).
🗜️ A packer for Windows x86 executable files written in C and Intel x86 Assembly. The new file after packing can obstruct reverse engineering(使用C和Intel x86汇编开发的Windows x86可执行文件打包工具,打包后的新文件可以阻碍逆向工程)
Interactive CTF Exploration Tool
Python binding to the Networking and Cryptography (NaCl) library
OpenID Certified™ OpenID Connect and FAPI 2 Relying Party module for Apache HTTPd
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.
A Tool for Automatic Analysis of Malware Behavior
Reverse engineering tool for automatic structure recovering and memory use analysis based on DynamoRIO and Capstone
Sigma Rules Engine inside the Linux Kernel using eBPF. Focusing on prevention capabilities
Janus: a state-of-the-art file system fuzzer on Linux
Protect your SIP Servers from bad actors at https://sentrypeer.org
collection of C/C++ programs that try to get compilers to exploit undefined behavior
A collection of hash functions, ciphers, tools, libraries, and materials related to cryptography & security. :closed_lock_with_key::closed_lock_with_key::closed_lock_with_key::closed_lock_with_key::closed_lock_with_key: (project was renamed, libchaos is main)
An EBPF based IPv4/IPv6 firewall with integrations for OpenZiti Zero-Trust Framework edge-routers and tunnellers
Micropython package for doing fast rsa and elliptic curve cryptography, specifically digital signatures