Sebastian's Blog

software developer. security enthusiast.

Day: 10 December 2019

HV19.10 Guess what

When running the binary it asks for an input to validate. Putting test returns nooooh. try harder! So I thought, that the right flag would be the valid input. Putting a single space or multiple characters separated by a space returns various bash errors. Firing up gdb shows that various subprocesses are spawned: first an […]