CTF

Capture-the-flag writeups and challenge references.

12 notes

Cryptography: CTF ToolsNovember 7, 2025Tools and techniques for CTF cryptography challenges.
CTF Practice SitesNovember 7, 2025A list of sites for practising capture-the-flag challenges.
CTF Write-up: BitLockerFebruary 7, 2026Computer Chip (TPM - automatic unlock if you're the owner) In CTF Challenges (What You're Dealing With): You got this file bitlocker-1.dd → It's a copy of a locked hard drive.
CTF Write-up: CNSS-DZ ChallengeFebruary 3, 2026Standard websites often have hidden directories. Let's brute force!
CTF Write-up: Elif StoreFebruary 1, 2026The site looks like a typical e-commerce website. You can register, login, and buy items. /register /login /shop /cart
CTF Write-up: EndiannessFebruary 7, 2026Both store the SAME number , but DIFFERENT byte order !
CTF Write-up: ETEIP v2January 31, 2026Nothing suspicious... and it's like developed just the front end
CTF Write-up: Event LogsFebruary 7, 2026to convert the evtx content to another formats like json or xml .. .ect
CTF Write-up: Hacked DiskFebruary 7, 2026Alright! We've got an ext4 filesystem on our hands. Time to fire up some forensic tools!
CTF Write-up: Quiz4EducationFebruary 1, 2026Looking at the source code on the js file , the vulnerability is clear: the application follows a Two-Step Trust Model. It first asks the server to sign a score provided by the…
Reverse Engineering: CTF ToolsNovember 7, 2025Reverse-engineering tools used in CTFs.
Web CTF: Challenge NotesOctober 11, 2025فـindex.js عندهم هاد الكود باش يمنعو الـpath traversal: يعني أي حاجة فيها ../ أو ..\\ أو % أو \ غادي ترجع 403. الهدف: يمنع أي محاولة باش تدخل للسيرفر الداخلي (/env/FLAG) عن…