An iOS kernel debugger based on a KTRR bypass for A11 iPhones; works with LLDB and IDA Pro.

kfd, short for kernel file descriptor, is a project to read and write kernel memory on Apple devices.

Source code for the DEF CON 31 CTF Qualifiers.

Provide powerful tools for seccomp analysis

A curated list of awesome Ghidra materials

Shellphish's automated patching engine, originally created for the Cyber Grand Challenge.

Checksec

Userspace eBPF VM

Apple CUPS Sources

Mirror of the Z shell source code repository.

The Big List of Naughty Strings is a list of strings which have a high probability of causing issues when used as user-input data.

Facilitating control-flow hijacking primitive evaluation for Linux kernel vulnerability

writeups for our challenges

A small utility to modify the dynamic linker and RPATH of ELF executables

A lightweight process isolation tool that utilizes Linux namespaces, cgroups, rlimits and seccomp-bpf syscall filters, leveraging the Kafel BPF language for enhanced security.

Code and exploit for the "read-eval-pwn loop" challenge of 33C3 CTF

Migrated to Codeberg

WCTF 2019 challenge

Build a standalone executable from a Lua program.

cc65 - a freeware C compiler for 6502 based systems

A fast & simple MOS 6502 CPU emulator written in C++

HTTP Library for Lua. Supports HTTP(S) 1.0, 1.1 and 2.0; client and server.

CTF writeups from Balsn

Tutorial code on how to build your own Deep Learning System in 2k Lines

Automated Virtual Machine Generation and Cloaking for Cuckoo Sandbox.