Published onDecember 7, 2023PCC '23 - Rev - [etyBtloB]revpcc-23bit-shiftingelfPerforming FU on a binary to fix it and run it to find the flag
Published onJuly 18, 2023AmateurCTF '23 - Pwn - Elfcrafting-V1pwnamateurctf23elfSending a shebang to let fexecve execute a command for us and get the flag.
Published onJuly 18, 2023AmateurCTF '23 - Pwn - Elfcrafting-V2pwnamateurctf23elfshellcodeCrafting a custom ELF binary in assembly to execute /bin/sh and inject that inside the file descriptor using memfd_create and fexecve.