HCTF 2017
13 challenges with 28 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 CTFtimeUncategorised8
The upstream scoreboard did not say, so neither do we.
Also written up in: 0x01f/pwn_repo, 0x01f/pwn_repo, b1gtang/writeups, bash-c/pwn_repo, bash-c/pwn_repo
Also written up in: winmin/CTF-Writeup, b1gtang/writeups, WinMin/CTF-Writeup
Also written up in: winmin/CTF-Writeup, WinMin/CTF-Writeup
Bin 1
2 official solutionsAlso written up in: winmin/CTF-Writeup, WinMin/CTF-Writeup
Client Fuza
2 official solutionsAlso written up in: winmin/CTF-Writeup, WinMin/CTF-Writeup
Exp Server
2 official solutionsAlso written up in: winmin/CTF-Writeup, WinMin/CTF-Writeup
Also written up in: winmin/CTF-Writeup, WinMin/CTF-Writeup
Also written up in: b1gtang/writeups
Web3
Reach data or functionality the application meant to keep from you - through its inputs, its tokens, or its trust in the client.
- web
Same technique in picoCTF: Live Art, secure-email-service, No FA
- web
Same technique in picoCTF: Live Art, secure-email-service, No FA
- web
Same technique in picoCTF: Live Art, secure-email-service, No FA
Reverse engineering2
Work out what a compiled program does without its source, then work backwards from the check to the input that passes it.
Also written up in: RapaceDiabolique/ctf_writeup, RapaceDiabolique/ctf_writeup
- re
- web
Same technique in picoCTF: Checkpass, WinAntiDbg0x100, WinAntiDbg0x200
Also written up in: b01lers/writeups
- re
Same technique in picoCTF: Checkpass, WinAntiDbg0x100, WinAntiDbg0x200