Hi, I am Ramkumar
I work on systems programming, cryptography, reverse engineering, and application security. On weekends, you can find me in Capture the Flag events. Feel free to reach out if you'd like to connect!
ramenhost's blog
Recent
Today I Learned
Microblogs of some small things I've learned.
Patriot CTF 2024 - Writeup
Write ups for the challenges I solved in Patriot CTF 2024.
LA CTF 2024 - holyT Writeup
Leak RSA prime factor from a remote service that calculates square root (mod N) using CRT optimization.
Insomni'hack CTF Teaser 2024 - InsoBank Writeup
Exploit MySQL decimal rounding off and TOCTOU race condition in a Internet Banking website.
Insomni'hack CTF Teaser 2024 - Vaulty Writeup
Linux ELF RCE challenge with buffer overflow and format string vulnerabilities.