<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "..."> <plist version="1.0"> <dict> <key>get-task-allow</key> <true/> <key>com.apple.security.cs.allow-dyld-environment-variables</key> <true/> <key>com.apple.security.cs.disable-library-validation</key> <true/> </dict> </plist> :
otool -l MyApp | grep -A2 LC_LOAD_DYLIB Expected output:
codesign -fs "iPhone Developer: Your Name (XXXXXXXXXX)" --entitlements ent.plist MyApp_patched codesign -fs "iPhone Developer: Your Name (XXXXXXXXXX)" YourTweak.dylib # Rename patched executable to original name mv MyApp_patched MyApp Recreate Payload folder and zip zip -r patched.ipa Payload/ 4. Verification Check that load command exists: Inject Dylib Into Ipa
( ent.plist ):
insert_dylib @executable_path/YourTweak.dylib MyApp MyApp_patched @executable_path resolves to the app’s .app directory. | file MyApp # MyApp: Mach-O 64-bit executable
:
ldid -Sent.plist MyApp_patched ldid -S YourTweak.dylib , use a developer certificate: zip -qr patched_$IPA Payload/ rm -rf $WORKDIR
| Detection method | Bypass strategy | |----------------|----------------| | dyld environment variables ( DYLD_INSERT_LIBRARIES ) | Use hardcoded LC_LOAD_DYLIB instead (no env var) | | Checking _dyld_get_image_name() | Patch detection function or hook it | | Code signature validation | Use codesign --force --deep --sign with valid cert | | Jailbreak detection (checking /Library/MobileSubstrate) | Use rootless JB or relocate dylib to /var/jb/... |
file MyApp # MyApp: Mach-O 64-bit executable arm64 Method A — Using insert_dylib (recommended):
optool install -c load -p "@executable_path/YourTweak.dylib" -t MyApp cp YourTweak.dylib . 3.5. (Optional) Modify Dependencies with install_name_tool If your dylib depends on other dylibs, adjust rpaths:
cd ../../.. zip -qr patched_$IPA Payload/ rm -rf $WORKDIR