PicoCTF2017

Writeups for Pico CTF 2017 capture the flag hacking compeition

Binary Exploitation

• Level 1
  • Bash Loop (40 Pts)
  • Just No (40 Pts)
• Level 2
  • Shellz (55 Pts)
  • Shells (70 Pts)
  • Guess The Number (75 Pts)
  • Ive Got A Secret (75 Pts)
  • Flagsay 1 (80 Pts)
  • VR Gear Console (90 Pts)
• Level 3
  • Config Console (125 Pts)
  • [Enter The Matrix] (150 Pts)
  • [Chat Logger] (200 Pts)
• Level 4
  • Flagsay 2 (150 Pts)
  • Aggregator (190 Pts)
  • [Deeper Into The Matrix] (200 Pts)
  • [Contact Helper] (225 Pts)

Cryptography

• Level 1
  • Keyz (20 Pts)
  • [Substitute] (40 Pts)
  • [Hash101] (50 Pts)
  • [computeAES] (50 Pts)
  • [computeRSA] (50 Pts)
• Level 2
  • [SoRandom] (75 Pts)
  • [LeakedHashes] (90 Pts)
  • [Weird RSA] (90 Pts)
• Level 3
  • [HashChain] (90 Pts)
  • [Broadcast] (120 Pts)
  • [smallRSA] (120 Pts)
• Level 4
  • smallSign (140 Pts)
  • [Encrypted Shell] (190 Pts)
  • ECC2 (200 Pts)

Forensics

• Level 1
  • [Digital Camouflage] (50 pts)
  • [Special Agen User] (50 Pts)
• Level 2
  • [Meta Find Me] (70 Pts)
  • [Little School Bus] (75 Pts)
  • [Just Keyp Typing] (80 Pts)
• Level 3
  • [Connect The Wiggle] (140 Pts)
• Level 4
  • Puzzlingly Accountable (100 Pts)

Miscellaneous

• Level 1
  • Internet Kitties (10 Pts)
  • Piazza (10 Pts)
  • Leaf Of The Tree (20 Pts)
  • Looooong (20 Pts)
  • Leaf Of The Forest (30 Pts)
  • WorldChat (30 Pts)
• Level 2
  • Yarn (55 Pts)
  • [Mystery Box] (60 Pts)

Reverse Engineering

• Level 1
  • [Hex2Raw] (20 Pts)
  • [Raw2Hex] (20 Pts)
• Level 2
  • [A Thing Called The Stack] (60 Pts)
  • [Programmers Assemble] (75 Pts)
• Level 3
  • [JSut Duck It Up] (100 Pts)
  • [Coffee] (115 Pts)
  • [Much Ado About Hacking] (165 Pts)
• Level 4
  • [MIPS] (140 Pts)
  • Forest (200 Pts)

Web Exploitation

• Level 1
  • [What is Web] (20 Pts)
• Level 2
  • [My First SQL] (50 Pts)
  • [TW_GR_E1_ART] (100 Pts)
  • [TW_GR_E2_EoTDS] (120 Pts)
• Level 3
  • [Biscuit] (75 Pts)
  • [A Happy Union] (110 Pts)
  • No Eyes (125 Pts)
  • [TW_GR_E3_GtI] (180 Pts)
• Level 4
  • [A Kaley Ceilidh] (175 Pts)
  • TW_GR_E4_STW (200 Pts)

Master Challenges

• Level 1
  • [Lazy Dev] (50 Pts)
• Level 2
  • [Missing Identity] (100 Pts)
• Level 3
  • [WAR] (125 Pts)
• Level 4
  • [weirderRSA] (175 Pts)
• Final
  • [choose] (150 Pts)