asr64_patcher

A tool to patch the signature checks of a 64-bit ASR binary.

Build

make

Usage

1. Extract binary from an iOS ramdisk (macOS only):

   • img4 -i <ramdisk> -o ramdisk.dmg
     • img4 can be found here
   • hdiutil attach ramdisk.dmg -mountpoint ramdisk
   • cp ramdisk/usr/sbin/asr .
   • hdiutil detach ramdisk

2. Run asr64_patcher:

   • asr64_patcher asr asr_patched

3. Resign patched ASR binary

   • ldid -e asr > ents.plist
   • ldid -Sents.plist asr_patched