2020weight 25.00cybersaiyan
RomHack CTF 2020
4 challenges with 4 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 CTFtimeUncategorised2
The upstream scoreboard did not say, so neither do we.
Offline
1 official solutionAlso written up in: HAQLAB/CTF-Writeups
SSD1306 v1.1
1 official solutionAlso written up in: HAQLAB/CTF-Writeups
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.
Solve it with:ROP gadget finderShellcode assembler and libraryCyclic pattern generator and offset finderFormat string exploit builderLearn: Binary exploitation
- pwn
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
Forensics1
Recover something from a file, a capture, or a disk image - often from a part of it the format says is unused.
Solve it with:File type identifier by magic bytesMagic byte and file signature tablePCAP analyzer for CTF network forensicsEXIF metadata viewerLearn: File forensics and carvingLearn: Network forensics
- vbscript
- powershell
- forensics
Same technique in picoCTF: investigation_encoded_2, FindAndOpen, Ph4nt0m 1ntrud3r