Aero CTF 2020
27 challenges with 62 published community solutions between them. Solution links go to CTFtime’s task page, which aggregates every writeup for a challenge - individual blog posts rot, the aggregator does not.
Full task list on CTFtimeReverse engineering10
Work out what a compiled program does without its source, then work backwards from the check to the input that passes it.
- rev
Same technique in picoCTF: WinAntiDbg0x100, WinAntiDbg0x200, WinAntiDbg0x300
- rev
Same technique in picoCTF: WinAntiDbg0x100, WinAntiDbg0x200, WinAntiDbg0x300
- reverse
- engineering
Same technique in picoCTF: WinAntiDbg0x100, WinAntiDbg0x200, WinAntiDbg0x300
- rev
- warmup
- pic
Same technique in picoCTF: WinAntiDbg0x100, WinAntiDbg0x200, WinAntiDbg0x300
- rev
Same technique in picoCTF: WinAntiDbg0x100, WinAntiDbg0x200, WinAntiDbg0x300
- rev
- crypto
Same technique in picoCTF: WinAntiDbg0x100, WinAntiDbg0x200, WinAntiDbg0x300
- rev
Same technique in picoCTF: WinAntiDbg0x100, WinAntiDbg0x200, WinAntiDbg0x300
- pic
- rev
Same technique in picoCTF: WinAntiDbg0x100, WinAntiDbg0x200, WinAntiDbg0x300
- arm32
- engineering
- reverse
Same technique in picoCTF: ARMssembly 0, ARMssembly 1, ARMssembly 2
- rev
Same technique in picoCTF: WinAntiDbg0x100, WinAntiDbg0x200, WinAntiDbg0x300
Binary exploitation6
Turn a memory-safety bug in a native binary into control of execution. Usually a stack overflow, a format string, or a heap primitive.
- pwn
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
- pwn
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
- pwn
- io_file_struct
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
- pwn
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
- pwn
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
- pwn
- file_structure
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
Misc5
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
- code
Same technique in picoCTF: Permissions, Specialer, Codebook
- code
Same technique in picoCTF: Permissions, Specialer, Codebook
- warmup
Same technique in picoCTF: Permissions, Specialer, Codebook
- code
Same technique in picoCTF: Permissions, Specialer, Codebook
- code
- fft
- spectrogram
Same technique in picoCTF: Permissions, Specialer, Codebook
Cryptography3
Recover a plaintext or a key from something that was supposed to protect it. In practice: identify the scheme, find the parameter the author got wrong, exploit it.
- crypto
Same technique in picoCTF: StegoRSA, Timestamped Secrets, AES-ABC
- aes-ecb
- crypto
Same technique in picoCTF: Timestamped Secrets, AES-ABC, Compress and Attack
- rng
- crypto
- lll
- lwe
- babai
- lattice
- z3
Same technique in picoCTF: MSS_ADVANCE Revenge, Not TRUe, StegoRSA
Forensics3
Recover something from a file, a capture, or a disk image - often from a part of it the format says is unused.
- forensics
Same technique in picoCTF: FindAndOpen, c0rrupt, extensions
- forensic
Same technique in picoCTF: FindAndOpen, c0rrupt, extensions
- forensics
Same technique in picoCTF: FindAndOpen, c0rrupt, extensions