Dumps decrypted mach-o files from encrypted iPhone applications from memory to disk. This tool is necessary for security researchers to be able to look under the hood of encryption.
Makefile 7.67%C 92.33%
dumpdecrypted's Introduction
Dumps decrypted iPhone Applications to a file - better solution than those GDB scripts for non working GDB versions
(C) Copyright 2011 Stefan Esser
Compile:
First adjust the Makefile if you have a different iOS SDK installed.
And then just: make
Usage:
iPod:~ root# DYLD_INSERT_LIBRARIES=dumpdecrypted.dylib /var/mobile/Applications/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx/Scan.app/Scan
mach-o decryption dumper
DISCLAIMER: This tool is only meant for security research purposes, not for application crackers.
[+] Found encrypted data at address 00002000 of length 1826816 bytes - type 1.
[+] Opening /private/var/mobile/Applications/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx/Scan.app/Scan for reading.
[+] Reading header
[+] Detecting header type
[+] Executable is a FAT image - searching for right architecture
[+] Correct arch is at offset 2408224 in the file
[+] Opening Scan.decrypted for writing.
[-] Failed opening. Most probably a sandbox issue. Trying something different.
[+] Opening /private/var/mobile/Applications/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx/tmp/Scan.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
[+] Closing original file
[+] Closing dump file