metasploit-framework/modules/auxiliary/gather/citrix_published_applicatio...

74 lines
2.2 KiB
Ruby

##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
class MetasploitModule < Msf::Auxiliary
include Msf::Exploit::Remote::Udp
def initialize(info = {})
super(update_info(info,
'Name' => 'Citrix MetaFrame ICA Published Applications Scanner',
'Description' => %q{
This module attempts to query Citrix Metaframe ICA server to obtain
a published list of applications.
},
'Author' => [ 'patrick' ],
'References' =>
[
[ 'URL', 'http://www.securiteam.com/exploits/5CP0B1F80S.html' ],
]
))
register_options(
[
Opt::RPORT(1604),
])
end
def autofilter
false
end
def run
connect_udp
print_status("Attempting to contact Citrix ICA service...")
client_connect =
"\x20\x00\x01\x30\x02\xfd\xa8\xe3\x00\x00\x00\x00\x00\x00\x00\x00" +
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
# Server hello response
server_response =
"\x30\x00\x02\x31\x02\xfd\xa8\xe3\x02\x00\x06\x44"
udp_sock.put(client_connect)
res = udp_sock.get(3)
if (res[0,server_response.length] == server_response)
print_status("Citrix MetaFrame ICA server detected. Requesting Published Applications list...")
find_published =
"\x2a\x00\x01\x32\x02\xfd\xa8\xe3\x00\x00\x00\x00\x00\x00\x00\x00" +
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x21\x00\x02\x00" +
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
server_list_pre =
"\xea\x00\x04\x33\x02\xfd\xa8\xe3\x02\x00\x06\x44\xac\x1f\x03\x1f" +
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00" +
"\x0b\x00\x28\x00\x00\x00\x00\x00"
udp_sock.put(find_published)
res = udp_sock.get(3)
if (res.index(server_list_pre) == 0) # good packet, with following data
print_status("Citrix Applications Reported:\r\n" + res[server_list_pre.length,res.length].gsub("\x00","\r\n"))
end
else
print_error("Citrix did not report any Published Applications. Try the brute force module instead.")
end
disconnect_udp
end
end