2023from public repositories
ecsc Polish qualifier 2023
11 challenges with 11 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 liveUncategorised9
The upstream scoreboard did not say, so neither do we.
Baby thandbox
1 official solutionBad CA
1 official solutionCheck
1 official solutionComplex Base Inception
1 official solutione PULAP
1 official solutionFileless
1 official solutionFlag Bearer
1 official solutionMulticast
1 official solutionTrollface
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
Heap Playground
1 official solutionHeap Underground
1 official solution