Releasing two BPF tools I developed: ebpfpub and ebpfault
I've released two new BPF tools written in C++ with LLVM: ebpfault (a system call fault injector) and ebpfpub (a system call tracer).
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DisARMing a Raspberry Pi - BSides San Francisco CTF 2017
The diary of a small expedition my old friend Raspberry and I have undertaken, exploring the ARM challenge called ‘disarming’ from the BSides San Francisco CTF 2017.
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Solving SmokeStack, from the third Flare-On Challenge
A tour in the depths of the SmokeStack level of the third Flare On Challenge from FireEye. The article also covers the internals of the virtual machine used by the binary, presenting a simple command line disassembler written in C++.
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Writeup for the Transformer challenge from VolgaCTF 2016 Quals
This is the writeup for another challenge from the VolgaCTF 2016 Quals; the task consists in analyzing a binary executable that encrypts files and find a way to recover the clear text from an encoded file. The article also includes a working implementation for a compatible encoder and decoder written in C++.
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