Tag: Pwnable

All the articles with the tag "Pwnable".

• DEF CON 2019 Quals / RTOoOS

  8 Jul, 2019

  DEF CON 2019 Quals RTOoOS write-up — reversing a custom shell binary that runs on a macOS hypervisor, then abusing malloc's NULL return to plant shellcode at address 0 and bypass the hypercall filter.