解密 ios app

iPhone:/ root# cd /
iPhone:/ root# DYLD_INSERT_LIBRARIES=/usr/lib/dumpdecrypted.dylib /var/mobile/Containers/Bundle/Application/7F3190A0-6BE1-4562-BA54-AE0069FA5B1D/IF.app/IF

mach-o decryption dumper
DISCLAIMER: This tool is only meant for security research purposes, not for application crackers.

[+] detected 32bit ARM binary in memory.
[+] offset to cryptid found: @0xa2a08(from 0xa2000) = a08
[+] Found encrypted data at address 00004000 of length 13139968 bytes - type 1.
[+] Opening /private/var/mobile/Containers/Bundle/Application/7F3190A0-6BE1-4562-BA54-AE0069FA5B1D/IF.app/IF for reading.
[+] Reading header
[+] Detecting header type
[+] Executable is a FAT image - searching for right architecture
[+] Correct arch is at offset 16384 in the file
[+] Opening IF.decrypted for writing.
[+] Copying the not encrypted start of the file
[+] Dumping the decrypted data into the file
[+] Copying the not encrypted remainder of the file
[+] Setting the LC_ENCRYPTION_INFO->cryptid to 0 at offset 4a08
[+] Closing original file
[+] Closing dump file

iPhone:/ root#