Syskron Security CTF 2020
25 challenges with 98 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 CTFtimeMisc10
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
- welcome
- reading
Same technique in picoCTF: Permissions, Specialer, Codebook
- image-analysis
Same technique in picoCTF: Permissions, Specialer, Codebook
- vulnerability
Same technique in picoCTF: Permissions, Specialer, Codebook
- standard
Same technique in picoCTF: Permissions, Specialer, Codebook
- malware
Same technique in picoCTF: Permissions, Specialer, Codebook
- malware
Same technique in picoCTF: Permissions, Specialer, Codebook
- standard
- framework
Same technique in picoCTF: Permissions, Specialer, Codebook
- best-practices
Same technique in picoCTF: Permissions, Specialer, Codebook
- webcam
Same technique in picoCTF: Permissions, Specialer, Codebook
- plc-programming
Same technique in picoCTF: Permissions, Specialer, Codebook
Forensics4
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
- forensics
Same technique in picoCTF: FindAndOpen, c0rrupt, extensions
- packet-analysis
Same technique in picoCTF: FindAndOpen, c0rrupt, extensions
- forensics
Same technique in picoCTF: FindAndOpen, c0rrupt, extensions
Web3
Reach data or functionality the application meant to keep from you - through its inputs, its tokens, or its trust in the client.
- sql
Same technique in picoCTF: Irish-Name-Repo 3, More SQLi, Secret Box
- web
Same technique in picoCTF: Client-side-again, dont-use-client-side, Irish-Name-Repo 3
- web
- crypto
Same technique in picoCTF: Client-side-again, dont-use-client-side, Irish-Name-Repo 3
Reverse engineering3
Work out what a compiled program does without its source, then work backwards from the check to the input that passes it.
- reverse-engineering
Same technique in picoCTF: WinAntiDbg0x100, WinAntiDbg0x200, WinAntiDbg0x300
- reverse-engineering
- crypto
Same technique in picoCTF: WinAntiDbg0x100, WinAntiDbg0x200, WinAntiDbg0x300
- ocr
- checksum
Same technique in picoCTF: WinAntiDbg0x100, WinAntiDbg0x200, WinAntiDbg0x300
Cryptography2
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.
- standard
- crypto
Same technique in picoCTF: StegoRSA, Timestamped Secrets, AES-ABC
- crypto
Same technique in picoCTF: StegoRSA, Timestamped Secrets, AES-ABC
OSINT2
Answer a question about the real world from public sources. The work is pivoting between identifiers, not exploiting anything.
- social-engineering
- osint
Same technique in picoCTF: Permissions, Specialer, Codebook
- osint
Same technique in picoCTF: Permissions, Specialer, Codebook
Binary exploitation1
Turn a memory-safety bug in a native binary into control of execution. Usually a stack overflow, a format string, or a heap primitive.
- binary-analysis
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3