Writeups

• Nov 21, 2018 RITSEC CTF 2018 - CictroHash

  Crypto - 150 Points

• Aug 4, 2018 Padding Oracle attack against Telegram Passport

  Since the Telegram Passport came out, I tried to analyze its protocol to understand whether the encryption of users’ data was strong and properly implemented.

• Feb 27, 2018 TAMU CTF 2018 - LarryCrypt

  Reverse - 200 Points

• Feb 26, 2018 TAMU CTF 2018 - SimpleDES

  Crypto - 125 Points

• Jan 23, 2018 InsomniHack Teaser CTF 2018 - Rule86
• Nov 13, 2017 CodeBlue CTF 2017 - Common Modulus 1,2,3
• Oct 13, 2017 Square CTF 2017 - Reading between the lines

  Forensics - 100 Points

• Oct 8, 2017 DefCamp CTF 2017 - ForgotMyKey

  Crypto - 100 Points

• Sep 15, 2017 SECT CTF 2017 - Bad AES

  Crypto - 100 Points

• Apr 24, 2017 PlaidCTF 2017 - SHA-4

  Web - 300 Points

• Apr 24, 2017 PlaidCTF 2017 - Echo

  Web - 200 Points

• Apr 14, 2017 INS'HACK 2017 - Forensics 225 Lost File

  Lost File

  Forensics - 225 Points

• Feb 5, 2017 AlexCTF 2017 - SC2 Cutie Cat

  SC2: Cutie Cat

  Scripting - 150 Points

• Feb 5, 2017 AlexCTF 2017 - CR4 Poor RSA

  CR4 Poor RSA

  Crypto - 200 Points

• Feb 5, 2017 AlexCTF 2017 - CR3 What is this encryption?

  CR3 What is this encryption?

  Crypto - 150 Points

• Feb 5, 2017 AlexCTF 2017 - CR2 Many time secrets

  CR2 Many time secrets

  Crypto - 100 Points

• Jan 25, 2017 InsomniHack Teaser CTF 2017 - cryptoquizz

  cryptoquizz

  Crypto - 50 Points

• Nov 18, 2016 QIWI CTF 2016 - PPC 100_2

  PPC 100_2

  PPC - 100 Points

• Nov 18, 2016 QIWI CTF 2016 - PPC 100_1

  PPC 100_1

  PPC - 100 Points

• Nov 18, 2016 QIWI CTF 2016 - Crypto 400_1

  Crypto 400_1

  Crypto - 400 Points

• Nov 18, 2016 QIWI CTF 2016 - Crypto 300_1

  Crypto 300_1

  Crypto - 300 Points

• Jun 5, 2016 sCTF Q1 2016 - President

  President

  Web - 40 Points

• Jun 5, 2016 sCTF Q1 2016 - Control Panel

  Control Panel

  Web - 40 Points

• Apr 20, 2016 sCTF Q1 2016 - Vertinet

  Vertinet

  Cryptography - 140 Points

• Apr 20, 2016 sCTF Q1 2016 - Verticode

  Verticode

  Cryptography - 90 Points

• Apr 18, 2016 sCTF Q1 2016 - Failed Compression

  Failed Compression

  Forensics - 80 Points

• Apr 17, 2016 sCTF Q1 2016 - Pesky Permutation

  Pesky Permutations

  Algorithmic - 170 Points

• Jan 18, 2016 InsomniHack Teaser CTF 2016 - Bring The Noise

  Bring The Noise

  Crypto - 200 Points

• Nov 29, 2015 9447 CTF 2015 - randBox

  randBox

  Crypto - 120 Points

• Nov 25, 2015 HackDatKiwiCTF 2015 - KiwiForum 2

  KiwiForum 2

  Web - 250 Points

• Nov 24, 2015 HackDatKiwiCTF 2015 - Phone Lock 1

  Phone Lock

  Web - 50 Points

• Nov 24, 2015 HackDatKiwiCTF 2015 - Math Quiz

  Math Quiz

  Web - 150 Points

• Nov 24, 2015 HackDatKiwiCTF 2015 - Gaychal

  Gaychal

  Web - 80 Points

• Nov 22, 2015 HackDatKiwiCTF 2015 - SSL Sniff 1

  SSL Sniff 1

  Forensics - 50 Points

• Nov 22, 2015 HackDatKiwiCTF 2015 - KiwiForum 1

  KiwiForum 1

  Web - 120 Points

• Nov 21, 2015 HackDatKiwiCTF 2015 - Vigenere 1 / 2

  Vigenere 1 / 2

  Crypto - 50/80 Points

• Jul 12, 2015 PoliCTF 2015 - John the Traveller

  John The Traveller

  Web - 100 Points

• Jul 12, 2015 PoliCTF 2015 - John the Referee

  John The Referee

  Web - 150 Points

• Jul 12, 2015 PoliCTF 2015 - It's Hungry

  It’s Hungry

  Forensics - 100 Points

• Jul 12, 2015 PoliCTF 2015 - Hard Interview

  Hard Interview

  GrabBag - 50 Points

• Jul 12, 2015 PoliCTF 2015 - Hanoi as a Service

  Hanoi as a Service

  Pwnable - 50 Points

• Jul 12, 2015 PoliCTF 2015 - Crack Me If You Can

  Crack Me If You Can

  Reversing - 100 Points