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Aneesh Dogra

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Janet v1.1 REPL Sandbox Bypass

Janet is a functional and imperative programming language. The entire language (core library, interpreter, compiler, assembler, PEG) is…

Apr 1, 2021

Janet v1.1 REPL Sandbox Bypass

Apr 1, 2021

Aneesh Dogra
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Aneesh Dogra’s Blog

Advanced ROP techniques

Rop or return-oriented-programming is an exploit technique that is usually used to exploit buffer overflow vulnerabilities in programs…

Mar 16, 2021

Advanced ROP techniques

Mar 16, 2021

Aneesh Dogra
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Aneesh Dogra’s Blog

Reversing libfuse malware

Recent zer0pts CTF 2021 had a reversing challenge: infected in the reversing, warmup category. [96 pts]

Mar 10, 2021

Reversing libfuse malware

Mar 10, 2021

Aneesh Dogra
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Aneesh Dogra’s Blog

Bypassing Syscall filters

With the advent of tools like auditd, seccomp, selinux: we have rules to disable a list of Linux syscalls using a blacklist mechanism…

Jun 14, 2020

Bypassing Syscall filters

Jun 14, 2020

Aneesh Dogra
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Aneesh Dogra’s Blog

Reversing Programmable Interface Controllers

AeroCTF had a category of challenges revolving around PICs. The PIC code dump is given for us to analyze and extract the flag from it. ROM…

Mar 1, 2020

Reversing Programmable Interface Controllers

Mar 1, 2020

Aneesh Dogra
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Aneesh Dogra’s Blog

Reversing Web Assembly (WASM)

xmas_future

Dec 29, 2019

Reversing Web Assembly (WASM)

Dec 29, 2019

Aneesh Dogra
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Aneesh Dogra’s Blog

File Magician, 36c3 ctf

Finally (again), a minimalistic, open-source file hosting solution.

Dec 29, 2019

File Magician, 36c3 ctf

Dec 29, 2019

Aneesh Dogra
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Aneesh Dogra’s Blog

Reversing an 8bit RISC microprocessor

Hey! We have found this old cartridge under a desk in the library of Lapland. It appears to be for a system called “Emu 2.0”, made back in…

Dec 23, 2019

Reversing an 8bit RISC microprocessor

Dec 23, 2019

Aneesh Dogra
in
Aneesh Dogra’s Blog

Reversing a real-world 249 bytes backdoor!

A wild backdoor has appeared. Press 1 to ptrace :D

Dec 16, 2019

Reversing a real-world 249 bytes backdoor!

Dec 16, 2019

Aneesh Dogra
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Aneesh Dogra’s Blog

ROPing Horcruxes, pwnable.kr

Voldemort concealed his splitted soul inside 7 horcruxes. Find all horcruxes, and ROP it! author: jiwon choi

Nov 28, 2019

ROPing Horcruxes, pwnable.kr

Nov 28, 2019

Aneesh Dogra

Aneesh Dogra

Always been a tinker! Started coding in 2008 (when I was in 8th grade). Fell in love with x86 assembly, C and Linux: Manipulation of memory and getting RCE

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