https://www.vipin.xyz Security research, CTFs, and technology https://www.vipin.xyz/blog/picoctf2026 Solving picoCTF 2026's hardest challenge by leaking a 32-char secret through CSS attribute selectors and Redis cache eviction, plus thoughts on the state of AI slop in CTFs. Thu, 19 Mar 2026 00:00:00 GMT https://www.vipin.xyz/blog/scrabasm-lactf2026 A multi-step, nuanced shellcoding challenge involving GLIBC rand() seeding and crafting a 14-byte stager shellcode to gain additional execution space. Thu, 12 Feb 2026 00:00:00 GMT https://www.vipin.xyz/blog/ssh-keygen-suid An overlooked way to privesc through SUID Tue, 30 Dec 2025 00:00:00 GMT https://www.vipin.xyz/blog/crypto-mining-in-2025 Will I make quick cash w/ my craptop or will it get fried? Sun, 27 Jul 2025 00:00:00 GMT https://www.vipin.xyz/blog/nips-bca2025 My writeup as the first blood for one of the least solved reverse engineering challenges in the event Fri, 27 Jun 2025 00:00:00 GMT https://www.vipin.xyz/blog/qangr-demo How to use qangr Sun, 12 Jan 2025 00:00:00 GMT https://www.vipin.xyz/blog/huntress2024 My writeup for this massive event Fri, 01 Nov 2024 00:00:00 GMT https://www.vipin.xyz/blog/lotterychallenge Solving the Metro Lottery NCL Gym Challenge Wed, 23 Oct 2024 00:00:00 GMT https://www.vipin.xyz/blog/re1 My writeup for this event Tue, 23 Jul 2024 00:00:00 GMT https://www.vipin.xyz/blog/ictf2024 My writeup for this event Mon, 22 Jul 2024 00:00:00 GMT https://www.vipin.xyz/blog/csd-ctf How I made & would solve Webhunt Tue, 30 Jan 2024 00:00:00 GMT