Devesh's InfoSec blog
  • Home

KringleCon - SANS Holiday Hack 2018-19

Devesh Mitra

Mar 16, 2019
KringleCon - SANS Holiday Hack 2018-19

The below PDF includes my write-up for last year's SANS Holiday Hack
Massive thanks to the SANS team behind the challenges! I really enjoyed them!

https://drive.google.com/file/d/1GcheenECfVQ9HYpnbBQkxv2lEOlCWwbF/view?usp=sharing

Decrypt Challenge from SANS HHC 2024

Decrypt Challenge from SANS HHC 2024

In the SANS Holiday Hack Challenge (HHC) of 2024, there was a challenge named "Decrypt the Naughty-Nice List", where we are provided with a file that has been encrypted with a ransomware called "Frostbit", and some artefacts from the machine the file was encrypted on. This
Jan 5, 2025 16 min read
HackTheBox Cyber Apocalypse CTF 2024 Blockchain Challenges

HackTheBox Cyber Apocalypse CTF 2024 Blockchain Challenges

My write-up for the 4 blockchain challenges from HTB Cyber Apocalypse CTF 2024
Mar 22, 2024 10 min read
ROPEmporium: Ret2CSU Write-up

ROPEmporium: Ret2CSU Write-up

In this post, I will be explaining my solution for the Ret2CSU challenge from ROPEmporium. The challenge can be found here: https://ropemporium.com/challenge/ret2csu.html ROPEmporium challenges are awesome for learning Return Oriented Programming (ROP) with small and fairly easy-to-analyse binaries. Ret2CSU is the 8th and (currently) final
Feb 21, 2023 10 min read
Devesh's InfoSec blog © 2025
  • Sign up
Powered by Ghost