Entitlements and the Simulator Sandbox on a Lab iOS App

codesign -d –entitlements on a self-signed LabSession: get-task-allow, redacted application-identifier, container paths on the simulator, sandbox-exec, deny logs when a file read walks outside the container. cryptid=1 stops the lab.

April 6, 2023 · 7 min · 1336 words · Jose Adalberto Gutierrez Ochoa

Reversing objc_msgSend on a Self-Signed arm64 Mach-O

otool load commands, class-dump selectors, lldb break on objc_msgSend, recover IMP for -[LabSession startWithToken:], redacted argument log. FairPlay-encrypted App Store bins are out of scope.

October 27, 2021 · 5 min · 958 words · Jose Adalberto Gutierrez Ochoa