2022found by harvest
CyberSci Regional Qualifiers 2022-23
9 challenges with 11 published solutions between them. No writeups were ever filed against this event's listing, so its solutions were found in public repositories instead. Each link is pinned to the commit it was read from.
The event listingUncategorised8
The upstream scoreboard did not say, so neither do we.
Locks1
2 official solutionsAlso written up in: 0xETX/CTF-Writeups, Hope0351/CTF-collection
Authcheck
1 official solutionAlso written up in: crimist/ctf
Badfab1
1 official solutionAlso written up in: crimist/ctf
Ballast
1 official solutionAlso written up in: crimist/ctf
Also written up in: crimist/ctf
Parley
1 official solutionAlso written up in: crimist/ctf
Vault
1 official solutionAlso written up in: crimist/ctf
Warmups
1 official solutionAlso written up in: crimist/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.
Solve it with:ROP gadget finderShellcode assembler and libraryCyclic pattern generator and offset finderFormat string exploit builderLearn: Binary exploitation
Lock3
2 official solutionsAlso written up in: Green-Avocado/CTF, Green-Avocado/CTF