Trend Micro CTF 2019 - Raimund Genes Cup - Online Qualifier
13 challenges with 18 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 CTFtimeForensics4
Recover something from a file, a capture, or a disk image - often from a part of it the format says is unused.
- vbs
- vbscript
- forensics
Same technique in picoCTF: investigation_encoded_2, FindAndOpen, Ph4nt0m 1ntrud3r
- portknocking
- pcap
- forensics
Same technique in picoCTF: FindAndOpen, Ph4nt0m 1ntrud3r, WebNet0
- adb
- pcap
- android
Same technique in picoCTF: FindAndOpen, Ph4nt0m 1ntrud3r, WebNet0
- network_securtity
Same technique in picoCTF: investigation_encoded_2, FindAndOpen, Ph4nt0m 1ntrud3r
Reverse engineering2
Work out what a compiled program does without its source, then work backwards from the check to the input that passes it.
- deserialize
- java
- xxe
- spel
Same technique in picoCTF: vault-door-1, vault-door-3, vault-door-4
- reverse
- guessing
Same technique in picoCTF: Checkpass, WinAntiDbg0x100, WinAntiDbg0x200
Misc2
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
- iot
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
- machine_learning
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Uncategorised2
The upstream scoreboard did not say, so neither do we.
Also written up in: p4-team/ctf, p4-team/ctf
Combo 100
1 official solutionAlso written up in: p4-team/ctf
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.
- javascript
- pwn
- jit
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
Steganography1
Find the payload hidden inside a carrier that looks ordinary. Bit planes, appended data, metadata, and audio spectrograms.
- stegano
- forensics
- re
Same technique in picoCTF: StegoRSA, Glory of the Garden, Investigative Reversing 0
OSINT1
Answer a question about the real world from public sources. The work is pivoting between identifiers, not exploiting anything.
Also written up in: p4-team/ctf
- git
- osint
- github
Same technique in picoCTF: CVE-XXXX-XXXX