2021weight 0.00HackerDom
HITB PRO CTF 2021
6 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 CTFtimeUncategorised5
The upstream scoreboard did not say, so neither do we.
V01 Leak Pie
1 official solutionAlso written up in: mephi42/ctf
V02 Rip Lsb Overwrite
1 official solutionAlso written up in: mephi42/ctf
V03 Leak Pie And Libc
1 official solutionAlso written up in: mephi42/ctf
V04 Pwnit Local Libc
1 official solutionAlso written up in: mephi42/ctf
V05 Pwnit
1 official solutionAlso written up in: mephi42/ctf
Reverse engineering1
Work out what a compiled program does without its source, then work backwards from the check to the input that passes it.
Solve it with:Strings extractor for binaries and blobsWebAssembly disassemblerJava .class disassemblerPython .pyc bytecode disassemblerLearn: Binary exploitation
cells
1 writeup- vm
- reversing
Same technique in picoCTF: Checkpass, WinAntiDbg0x100, WinAntiDbg0x200