| Stage | Recommended Tools | Notes | |-------|------------------|-------| | Unpack | apktool , unzip , 7z , binwalk | Use -r for recursive | | Disassemble | ghidra , IDA Pro , radare2 | For binary patching | | Patch | beaker , x64dbg (scripts), bsdiff | Keep a patch script (not just binary) | | Rebuild | apktool b , mkisofs , docker build | Same OS/user env to avoid non-determinism | | Sign | jarsigner , apksigner , codesign | Store keys in a vault | | Validate | diffoscope , repackage-checker | Automated regression suite |

The journey ahead would be long and fraught with challenges, but Rachel knew that with her team, and with Echo-1 by their side, they could overcome anything. The future looked a little brighter, a little greener, and a lot more hopeful.