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This should work

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This commit is contained in:
sinn3r 2014-03-03 11:53:51 -06:00
parent 8cf5c3b97e
commit ee1209b7fb
3 changed files with 90 additions and 3 deletions
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4
lib/msf/core/exploit/http/server.rb
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@ -722,8 +722,8 @@ protected
#
# Returns the heaplib2 javascript
#
def heaplib2
@cache_heaplib2 ||= Rex::Exploitation::Js::Memory.heaplib2
def js_heaplib2(custom_js = '', opts = {})
@cache_heaplib2 ||= Rex::Exploitation::Js::Memory.heaplib2(custom_js, opts={})
end
def js_base64

7
lib/rex/exploitation/js/memory.rb
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@ -24,11 +24,16 @@ class Memory
}).obfuscate
end
def self.heaplib2
def self.heaplib2(custom_js='', opts={})
js = ::File.read(::File.join(Msf::Config.data_directory, "js", "memory", "heaplib2.js"))
unless custom_js.blank?
js << custom_js
end
js = ::Rex::Exploitation::JSObfu.new js
js.obfuscate
return js
end
def self.property_spray

82
test/modules/auxiliary/test/heaplib2.rb Normal file
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@ -0,0 +1,82 @@
##
# This module requires Metasploit: http//metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core'
class Metasploit3 < Msf::Auxiliary
Rank = NormalRanking
include Msf::Exploit::Remote::HttpServer::HTML
def initialize(info={})
super(update_info(info,
'Name' => "heaplib2 test",
'Description' => %q{
This tests heaplib2
},
'License' => MSF_LICENSE,
'Author' => [ 'sinn3r' ],
'References' =>
[
[ 'URL', 'http://metasploit.com' ]
],
'Platform' => 'win',
'Targets' =>
[
[ 'Automatic', {} ]
],
'Privileged' => false,
'DisclosureDate' => "Mar 1 2014",
'DefaultTarget' => 0))
end
def on_request_uri(cli, request)
spray = %Q|
function log(msg) {
console.log("[*] " + msg);
Math.atan2(0x0101, msg);
}
log("Creating element div");
var element = document.createElement("div");
log("heapLib2");
var heaplib = new heapLib2.ie(element, 0x80000);
log("Creating spray");
var spray = unescape("%u4141%u4141");
while (spray.length < 0x20000) { spray += spray };
log("spraying...");
for (var i=0; i<0x400; i++) {
heaplib.sprayalloc("userspray"+i, spray);
}
alert("free is about to happen");
log("freeing...");
for (var i=0; i<0x400; i++) {
heaplib.free("userspray"+i);
}
|
html = %Q|
<html>
<script>
#{js_heaplib2(spray)}
</script>
</html>
|
print_status("Sending html")
send_response(cli, html, {'Content-Type'=>'text/html'})
end
def run
exploit
end
end