2020weight 20.00BTeam
WhiteHat Grand Prix 06 - Final Round
3 challenges with 6 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 CTFtimeBinary 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
Also written up in: mephi42/ctf
- kernel
- userfaultfd
- race
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
Network01
2 writeupsSame technique in picoCTF: investigation_encoded_2, FindAndOpen, Ph4nt0m 1ntrud3r
Uncategorised1
The upstream scoreboard did not say, so neither do we.
Pwnit
1 official solutionAlso written up in: mephi42/ctf