oR10n – Medium

Apr 22, 2019

TGHACK 2019 — lolbinary (Forensics) Write-up (part 2 of 2)

Hi everyone. This is part 2 of how we solved the lolbinary forensics challenge. In this post, I will discuss how I reverse engineered the extracted binary and figured out how to obtain the flag from the C2 server. While doing initial static analysis, I noted that there is a…

7 min read

TGHACK 2019 — lolbinary (Forensics) Write-up (part 2 of 2)

7 min read

Apr 22, 2019

TGHACK 2019 — Elfish Flag (RE) Write-up

Hi everyone! In this post, I will discuss how I solved the reversing challenge Elfish Flag on the recently concluded TGHACK 2019. The challenge is a typical crackme challenge that requires figuring out the desired input which is also the flag for the challenge. …

3 min read

3 min read

Apr 5, 2019

Encrypt CTF 2019- RE Challenges Write-up

Hello everyone. This is my write-up for solving the RE challenges for the recently concluded Encrypt CTF 2019. All challenge binaries and scripts used in this write-up are hosted on my Github repo. crackme01 This is the first challenge and is the easiest one of the four. …

Encrypt 2019

10 min read

Encrypt CTF 2019- RE Challenges Write-up

Encrypt 2019

10 min read

Apr 5, 2019

Securinets Prequals CTF 2019 — AutomateMe (RE) Write-up

Hello everyone. This is my write-up for solving the RE challenge AutomateMe for the recently concluded Securinets Prequals CTF 2019. This is one of the easier challenges and it doesn’t really require that much reversing. We just have to figure out how the algorithm works, take note of some patterns…

Securinets

5 min read

Securinets

5 min read