2022from public repositories
ecsc Polish qualifier 2022
8 challenges with 8 published solutions between them. CTFtime has no listing for this event at all, so nothing built on CTFtime can show what it was made of. These writeups were found in public repositories instead. Each link is pinned to the commit it was read from.
Where these writeups liveUncategorised6
The upstream scoreboard did not say, so neither do we.
2022 09 15 Glaciers Of Switzerland
1 official solutionCat Blag
1 official solutionKolska Leaks
1 official solutionSEALed communication
1 official solutionShifting
1 official solutionVisual Steganography
1 official solution
Binary exploitation2
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
Blind
1 official solutionCarbon Offset
1 official solution