CTF.

CONFidence Teaser CTF – Hidden Flag.

Using YARA rules to leak file contents from restricted environments. A technique for extracting data from systems where file scanning is allowed but downloading is blocked.

Solving PwCTF Prequel.

Reverse engineering a Gameboy ROM with radare2.

Reverse engineering a Gameboy ROM using radare2. Analyzing the Z80 architecture, Game Boy memory map, and solving a CTF challenge with r2.

[Pragyan CTF] New Avenger.

[Pragyan CTF] Roller Coaster Ride.

[Pragyan CTF] Lost Friends.

[Pragyan CTF] The Vault.

[Pragyan CTF] The Karaboudjan.

[Pragyan CTF] Evil Corp.

[Pragyan CTF] Supreme Leader.

[Pragyan CTF] Answer To Everything.

[Pragyan CTF] Interstellar.

[Pragyan CTF] Game of Fame.

[33C3 CTF] pay2win Writeup.

[33C3 CTF] The 0x90s called Writeup.

[H4CK1T 2016] Crypt00perator – Ethiopia Writeup.

[H4CK1T 2016] QRb00k – Russia Writeup.

[H4CK1T 2016] ch17ch47 – Germany Writeup.

[H4CK1T 2016] 1magePr1son- Mozambique Writeup.

[H4CK1T 2016] v01c3_0f_7h3_fu7ur3 – Australia Writeup.

[H4CK1T 2016] Belarus – Electronicon Writeup.

[H4CK1T 2016] 1n51d3r’5 j0b – Canada Writeup.

[H4CK1T 2016] HellMath – Mongolia Writeup.

[H4CK1T 2016] Pentest – Mexico Writeup.

[H4CK1T 2016] PhParanoid – Malaysia Writeup.

[H4CK1T 2016] Hex0gator – Paraguay Writeup.

[H4CK1T 2016] T3legr4m – United States Writeup.

[CSAW 2016] Gametime Writeup.

[CSAW 2016] Key Writeup.

[CSAW 2016] Sleeping Guard Writeup.

[CSAW 2016] mfw Writeup.

[CSAW 2016] PWN: Warmup Writeup.

[CSAW 2016] Clams Don’t Dance Writeup.

[CSAW 2016] Regexpire Writeup.

[CSAW 2016] Coinslot Writeup.

[CSAW 2016] Kill Writeup.

[ASIS CTF] SecuPrim Writeup.

[ASIS CTF] Sky Blue Writeup.

[ASIS CTF] Smallest MD5 Writeup.

[ASIS CTF] CTF 101 Writeup.

[TWCTF-2016: Web] Global Page Writeup.

[TWCTF-2016: Crypto] Twin Primes Writeup.

[TWCTF-2016: PPC] Make a Palindrome! Writeup.

[TWCTF-2016: Misc] glance Writeup.

[TWCTF-2016: Web] Rescue Data 1: deadnas Writeup.

[TWCTF-2016: Reverse] Reverse Box Writeup.

[TWCTF-2016: PWN] judgement Writeup.

[CTF(x) 2016 : WEB] Harambehub – 100 pts Writeup.

[CTF(x) 2016 : WEB] north korea – 50 pts Writeup.