PublicCTFProblems

• Canary in a coal mine
  • Stack canary
• Exfiltrate
  • Runs code you send it (with no stdout)
• Functional Programming
  • Ret2libc with leak
• Get my got
  • GOT overwrite
• Jomp
  • ROPchain
• Jump
  • Simple overflow
• Leftovers
  • Leftover stack data
• Library
  • Ret2libc with leak
• Library harder
  • Ret2libc
• Messy UTF8
  • Parsing exploit -> command injection
• Overflow (foreverCTF)
  • Overwrite number on stack
• Overflow
  • Simple buffer overflow
• Params
  • Calling conventions + simple overflow
• Resolve
  • Ret2dlresolve exploit
• ROP
  • Ropchain
• Shell
  • Shellcode with blacklisted characters
• Shelly sells sea shells
  • Shellcode
• Tricky indices
  • Array negative indexing
• Xor
  • Buffer overflow with xor encoding