Published onFebruary 17, 2024PUCon' 24 - Userspace - Palatepuconuserspacectfpwnpie-bypassprintfret2winUtilizing Format String Vulnerability to leak the address of PIE and then a simple Ret2Win with args.
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 onDecember 7, 2023PCC '23 - Rev - IntIOrevpcc-23windowskernelReversing a simple S-BOX based encryption to get the flag from a Windows Driver (and two more ways of doing the same).
Published onDecember 7, 2023PCC '23 - Rev - Literal Byte Boltrevpcc-23pythonpyarmorUsing GDB to find the flag in memory of PyArmor obfuscated python script
Published onOctober 9, 2023Blackhat MEA '23 Quals - Pwn - Profilectfpwnblackhatmea23interger-overflowprintffsbExploiting an integer overflow to overwrite got entries, get leaks with printf and then overwriting the GOT entry of `free` with `system` to get a shell.