/**
* Detector library
*
- * @author Roland Haeder <webmaster@ship-simu.org>
+ * @author Roland Haeder <webmaster@shipsimu.org>
* @version 3.0.0
* @copyright Copyright (c) 2009 Cracker Tracker Team
* @license GNU GPL 3.0 or any newer version
- * @link http://www.ship-simu.org
+ * @link http://www.shipsimu.org
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@error_reporting(0);
}
+ // Base path
+ $GLOBALS['ctracker_base_path'] = dirname(dirname(__FILE__));
+
// Whitelist some absolute query strings (see below)
$GLOBALS['ctracker_whitelist'] = array(
- 'cmd=new', // LinPHA
- 'cmd=edit', // LinPHA
- 'cmd=lostpw', // LinPHA
- 'secure_session=1', // Mantis Bug Tracker
+ 'cmd=new', // LinPHA
+ 'cmd=edit', // LinPHA
+ 'cmd=lostpw', // LinPHA
);
// Attacks we should detect and block
'union(', 'union=',
// $GLOBAL/$_SERVER array elements
- 'HTTP_USER_AGENT', 'HTTP_HOST', 'HTTP_PHP', '_SESSION','CFG_ROOT',
+ 'HTTP_USER_AGENT', 'HTTP_HOST', 'HTTP_PHP', '_SESSION', 'CFG_ROOT',
'DOCUMENT_ROOT', '_SERVER',
// Sensitive files
// Other Linux/FreeBSD/??? programs (sometimes with space)
'traceroute ', 'ping ', 'bin/xterm', 'bin/./xterm', 'lsof ',
- 'telnet ', 'wget ', 'bin/id', 'uname\x20', 'uname ', 'killall',
- 'diff ', 'kill ', 'locate ', 'grep ', 'vi ', 'mv ',
+ 'telnet ', 'wget ', 'bin/perl', 'bin/id', 'uname\x20', 'uname ',
+ 'killall', 'diff ', 'kill ', 'locate ', 'grep ', 'vi ', 'mv ',
'rmdir ', 'mcd ', 'mrd ', 'rm ', ' mcd', ' mrd', ' rm',
'passwd ', ' passwd', 'mdir ', ' mdir', 'cp ', ' cp',
'esystem ', 'chr ', ' chr', 'wget ', ' wget', ' cmd',
// Other Linux programs (+ brace)
'locate(', 'grep(', 'kill(', 'mcd(', 'mrd(', 'rm(', 'mv(', 'rmdir(',
'chmod(', 'chmod(', 'chown(', 'chgrp(', 'passwd(', 'vi(', 'cp(',
- 'mdir(', 'esystem(', 'chr(', 'wget(', 'rush(', 'echr(',
+ 'mdir(', 'system(', 'chr(', 'wget(', 'rush(', 'echr(',
// Other Linux programs (+ equal)
'mcd=', 'mrd=', 'chmod=', 'chr=', 'rush=', 'echr=',
'/chgrp', '/chown', '/chmod', 'chown ', 'chmod ', 'chgrp ',
// Compiler/interpreter
- 'g++ ', 'c++ ', 'cc ', 'bin/./python', 'bin/python', 'bin/tclsh',
- 'bin/./tclsh', 'bin/nasm', 'bin/./nasm', '/perl', 'perl ', 'cmd.exe',
+ 'bin/g++ ', 'bin/c++ ', 'cc ', 'bin/python', 'bin/python', 'bin/tclsh',
+ 'bin/tclsh', 'bin/nasm', '/perl', 'cmd.exe',
'nc.exe', 'ftp.exe',
// php.ini settings
// Attempts to insert links into a badly secured URL
'%3E%3C',
+ // Request header being inserted
+ 'content-type',
+
// /proc/ and other forbidden paths
'proc/self/environ',
+ // MySQL internal functions
+ 'name_const',
+
// @TODO Misc/unsorted
'cgi-', '.eml', '$_request', '$_get', '$request', '$get', '.system',
'&aim', 'new_password', '&icq', '.conf', 'motd ', 'HTTP/1.',
'uol.com', ',0x', '(0x'
);
+ // BLock these words found in User-Agent
+ $GLOBALS['ctracker_ua_blacklist'] = array(
+ // Compiler/interpreter
+ 'bin/g++ ', 'bin/c++ ', 'cc ', 'bin/python', 'bin/python', 'bin/tclsh',
+ 'bin/tclsh', 'bin/nasm', '/perl', 'cmd.exe',
+ 'nc.exe', 'ftp.exe', 'wget ', 'system(', 'curl ',
+
+ // php.ini settings
+ 'allow_url_fopen', 'allow_url_include', 'auto_prepend_file', 'disable_functions', 'safe_mode',
+
+ // PHP commands/scripts
+ 'fopen', 'fwrite', 'phpinfo()', '\<?', '?\>', 'base64_decode', 'file_put_contents',
+ 'set_magic_quotes_runtime', 'set_magic_quotes_runtime', 'display_errors', 'passthru',
+
+ // Typical PHP script remote-inclusions and typical include file names
+ '.inc.php', '.lib.php', '.class.php', 'config.php', '.inc', '_php',
+ 'php_', 'class_', '_class.php', 'db_mysql.inc',
+
+ // PHP arrays
+ '_PHPLIB',
+
+ // Request header being inserted
+ 'content-type',
+
+ // /proc/ and other forbidden paths
+ 'proc/self/environ',
+ );
+
// Block these words found in POST requests
$GLOBALS['ctracker_post_blacklist'] = array(
// This line is for detecting hidden link spam in wikis, forums, guestbooks, etc.
'starhack', 'DeLiMehmet', 'hisset', 'Hisset', 'delimert', 'MecTruy'
);
- // Load email header
- $GLOBALS['ctracker_header'] = crackerTrackerLoadEmailTemplate('header');
-
// Init more elements
- $GLOBALS['ctracker_post_track'] = '';
- $GLOBALS['ctracker_checkworm'] = '';
- $GLOBALS['ctracker_check_post'] = '';
+ $GLOBALS['ctracker_post_track'] = '';
+ $GLOBALS['ctracker_checked_get'] = '';
+ $GLOBALS['ctracker_checked_post'] = '';
+ $GLOBALS['ctracker_checked_ua'] = '';
}
// Checks for worms
function isCrackerTrackerWormDetected () {
// Check against the whole list
- $GLOBALS['ctracker_checkworm'] = urldecode(str_ireplace($GLOBALS['ctracker_get_blacklist'], '*', crackerTrackerQueryString()));
+ $GLOBALS['ctracker_checked_get'] = urldecode(str_ireplace($GLOBALS['ctracker_get_blacklist'], '*', crackerTrackerQueryString(TRUE)));
+ $GLOBALS['ctracker_checked_ua'] = urldecode(str_ireplace($GLOBALS['ctracker_ua_blacklist'], '*', crackerTrackerUserAgent(TRUE)));
+
+ /*
+ * If it differs to original and the *whole* request string is not in
+ * whitelist then blog the attempt.
+ */
+ $isWorm = (
+ (
+ $GLOBALS['ctracker_checked_get'] != crackerTrackerQueryString(TRUE) && (!in_array(crackerTrackerQueryString(TRUE), $GLOBALS['ctracker_whitelist']))
+ ) || (
+ $GLOBALS['ctracker_checked_ua'] != crackerTrackerUserAgent(TRUE)
+ )
+ );
+ //* DEBUG-DIE: */ die('isWorm='.intval($isWorm).PHP_EOL.'get='.PHP_EOL.'"'.$GLOBALS['ctracker_checked_get'].'"'.PHP_EOL.'"'.crackerTrackerQueryString().'"'.PHP_EOL.'ua='.PHP_EOL.'"'.$GLOBALS['ctracker_checked_ua'].'"'.PHP_EOL.'"'.crackerTrackerUserAgent().'"'.PHP_EOL);
- // If it differs to original and the *whole* request string is not in whitelist
- // then blog the attempt
- return ($GLOBALS['ctracker_checkworm'] != crackerTrackerQueryString() && (!in_array(crackerTrackerQueryString(), $GLOBALS['ctracker_whitelist'])));
+ // Return it
+ return $isWorm;
}
// Checks POST data
function isCrackerTrackerPostAttackDetected () {
// Implode recursive the whole $_POST array
- $GLOBALS['ctracker_post_track'] = urldecode(implode_r('', $_POST));
+ $GLOBALS['ctracker_post_track'] = urldecode(implode_r('&', $_POST));
// Check for suspicious POST data
- $GLOBALS['ctracker_check_post'] = str_ireplace($GLOBALS['ctracker_post_blacklist'], '*', $GLOBALS['ctracker_post_track']);
+ $GLOBALS['ctracker_checked_post'] = urldecode(str_ireplace($GLOBALS['ctracker_post_blacklist'], '*', crackerTrackerSanitize($GLOBALS['ctracker_post_track'])));
// Is it detected?
- return ((isCrackerTrackerWormDetected()) || ($GLOBALS['ctracker_check_post'] != $GLOBALS['ctracker_post_track']));
+ return ((isCrackerTrackerWormDetected()) || ($GLOBALS['ctracker_checked_post'] != crackerTrackerSanitize($GLOBALS['ctracker_post_track'])));
}
// Prepares a mail and send it out
Remote-IP : ' . determineCrackerTrackerRealRemoteAddress() . '
User-Agent : ' . crackerTrackerUserAgent() . '
Request-string : ' . crackerTrackerQueryString() . '
-Filtered string : ' . $GLOBALS['ctracker_checkworm'] . '
+Filtered string : ' . $GLOBALS['ctracker_checked_get'] . '
Server : ' . crackerTrackerServerName() . '
Script : ' . crackerTrackerScriptName() . '
Referrer : ' . crackerTrackerReferer() . '
$rowData = array(
'remote_addr' => determineCrackerTrackerRealRemoteAddress(),
'proxy_addr' => getenv('REMOTE_ADDR'),
- 'check_worm' => $GLOBALS['ctracker_checkworm'],
+ 'check_get' => $GLOBALS['ctracker_checked_get'],
'server_name' => crackerTrackerServerName()
);
// Mail text
$mail = 'POST-Attack detected:
-----------------------------------------------------
-Remote-IP : '.determineCrackerTrackerRealRemoteAddress().'
-User-Agent : '.crackerTrackerUserAgent().'
-Request-string : '.crackerTrackerQueryString().'
-Filtered string : '.$GLOBALS['ctracker_checkworm'].'
-Server : '.crackerTrackerServerName().'
-Script : '.crackerTrackerScriptName().'
-Referrer : '.crackerTrackerReferer().'
+Remote-IP : ' . determineCrackerTrackerRealRemoteAddress() . '
+User-Agent : ' . crackerTrackerUserAgent() . '
+Request-string : ' . crackerTrackerQueryString() . '
+Filtered string : ' . $GLOBALS['ctracker_checked_get'] . '
+Server : ' . crackerTrackerServerName() . '
+Script : ' . crackerTrackerScriptName() . '
+Referrer : ' . crackerTrackerReferer() . '
-----------------------------------------------------
-POST string : '.$GLOBALS['ctracker_post_track'].'
-Filtered POST string : '.$GLOBALS['ctracker_check_post'].'
+POST string : ' . $GLOBALS['ctracker_post_track'] . '
+Filtered POST string : ' . $GLOBALS['ctracker_checked_post'] . '
-----------------------------------------------------
';
'user_agent' => crackerTrackerUserAgent(),
'get_data' => crackerTrackerQueryString(),
'post_data' => $GLOBALS['ctracker_post_track'],
- 'check_worm' => $GLOBALS['ctracker_checkworm'],
- 'check_post' => $GLOBALS['ctracker_check_post'],
+ 'check_ua' => $GLOBALS['ctracker_checked_ua'],
+ 'check_get' => $GLOBALS['ctracker_checked_get'],
+ 'check_post' => $GLOBALS['ctracker_checked_post'],
'server_name' => crackerTrackerServerName(),
'script_name' => crackerTrackerScriptName(),
'referer' => crackerTrackerReferer(),
- 'request_method' => $_SERVER['REQUEST_METHOD'],
+ 'request_method' => crackerTrackerRequestMethod(),
'proxy_used' => $proxyUsed,
'first_attempt' => 'NOW()'
);
// And stop here
die();
}
-
-// [EOF]
-?>
projects / ctracker.git / blobdiff