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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…

7 min readApr 1, 2021

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Janet v1.1 REPL Sandbox Bypass

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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…

8 min readMar 16, 2021

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Advanced ROP techniques

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Aneesh Dogra
in
Aneesh Dogra’s Blog

Reversing libfuse malware

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

3 min readMar 10, 2021

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Reversing libfuse malware

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Aneesh Dogra
in
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…

5 min readJun 14, 2020

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Bypassing Syscall filters

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Aneesh Dogra
in
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…

2 min readMar 1, 2020

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Reversing Programmable Interface Controllers

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Aneesh Dogra
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Aneesh Dogra’s Blog

Reversing Web Assembly (WASM)

xmas_future

3 min readDec 29, 2019

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Reversing Web Assembly (WASM)

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Aneesh Dogra
in
Aneesh Dogra’s Blog

File Magician, 36c3 ctf

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

3 min readDec 29, 2019

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File Magician, 36c3 ctf

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Aneesh Dogra
in
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…

4 min readDec 23, 2019

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Reversing an 8bit RISC microprocessor

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Aneesh Dogra
in
Aneesh Dogra’s Blog

Reversing a real-world 249 bytes backdoor!

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

5 min readDec 16, 2019

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Reversing a real-world 249 bytes backdoor!

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4

Aneesh Dogra
in
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

7 min readNov 28, 2019

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ROPing Horcruxes, pwnable.kr

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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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