/**
* 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
$GLOBALS['ctracker_get_blacklist'] = array(
// SQL injections
- 'union%20', '%20union', 'insert%20',
- 'select%20', '%20like', 'like%20', 'drop%20', 'update%20',
+ 'union ', ' union', 'insert ',
+ 'select ', ' like', 'like ', 'drop ', 'update ',
'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
- '/environ', '/shadow', '/gshadow', '/passwd', '/group', '.htaccess',
- '.htpasswd', '.htgroup', '.history', 'bash_history', 'bashrc',
+ '/environ', 'etc/shadow', 'etc/gshadow', 'etc/passwd', 'etc/group',
+ 'etc/./shadow', 'etc/./gshadow', 'etc/./passwd', 'etc/./group',
+ '.htaccess', '.htpasswd', '.htgroup', '.history', 'bash_history',
+ 'bashrc',
// Other Linux/FreeBSD/??? programs (sometimes with space)
- 'traceroute%20', 'ping%20', 'bin/xterm', 'bin/./xterm', 'lsof%20',
- 'telnet%20', 'wget%20', 'bin/id', 'uname\x20', 'uname%20', 'killall',
- 'diff%20', 'kill%20', 'locate%20', 'grep%20', 'vi%20', 'mv%20',
- 'rmdir%20', 'mcd%20', 'mrd%20', 'rm%20', '%20mcd', '%20mrd', '%20rm',
- 'passwd%20', '%20passwd', 'mdir%20', '%20mdir', 'cp%20', '%20cp',
- 'esystem%20', 'chr%20', '%20chr', 'wget%20', '%20wget', '%20cmd',
- 'cmd%20', '%20rush', 'rush%20', '%20echr', 'echr%20', '%20getenv',
- 'getenv', 'reboot%20', 'halt%20', 'powerdown%20',
+ 'traceroute ', 'ping ', 'bin/xterm', 'bin/./xterm', 'lsof ',
+ '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',
+ 'cmd ', ' rush', 'rush ', ' echr', 'echr ', ' getenv',
+ 'getenv', 'reboot ', 'halt ', 'powerdown ',
// 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=',
'/www/./virtual/',
// Uni* commands:
- '/chgrp', '/chown', '/chmod', 'chown%20', 'chmod%20', 'chgrp%20',
+ '/chgrp', '/chown', '/chmod', 'chown ', 'chmod ', 'chgrp ',
// Compiler/interpreter
- 'g++%20', 'c++%20', 'cc%20', 'bin/./python', 'bin/python', 'bin/tclsh',
- 'bin/./tclsh', 'bin/nasm', 'bin/./nasm', '/perl', 'perl%20', 'cmd.exe',
+ 'g++ ', 'c++ ', 'cc ', 'bin/./python', 'bin/python', 'bin/tclsh',
+ 'bin/./tclsh', 'bin/nasm', 'bin/./nasm', '/perl', 'perl ', 'cmd.exe',
'nc.exe', 'ftp.exe',
+ // php.ini settings
+ 'allow_url_fopen', 'allow_url_include', 'auto_prepend_file', 'disable_functions', 'safe_mode',
+
// PHP commands/scripts
- 'fopen', 'fwrite', 'phpinfo()', '\<?', '?\>',
+ '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',
+
// Generic remote inclusion
'=http://', '=https://',
'path=', 'sql=',
'data://', 'tcp://', 'udp://', 'raw://', 'javascript://', 'file://', 'ftp://',
// Blocked "users"
- 'nigga(', '%20nigga', 'nigga%20', 'starhack', 'busca',
+ 'nigga(', ' nigga', 'nigga ', 'starhack', 'busca',
// Hidden HTML stuff
- '%20style=', 'style%20=',
- 'overflow:auto', 'overflow:%20auto',
- 'overflow%20:auto', 'overflow%20:%20auto',
- 'display:hidden', 'display:%20hidden',
- 'display%20:hidden', 'display%20:%20hidden',
- 'height:0px', 'height:%200px','height:1px', 'height:%201px',
- 'width:0px', 'width:%200px','width:1px', 'width:%201px',
+ ' style=', 'style =',
+ 'overflow:auto', 'overflow: auto',
+ 'overflow :auto', 'overflow : auto',
+ 'display:hidden', 'display: hidden',
+ 'display :hidden', 'display : hidden',
+ 'height:0px', 'height: 0px','height:1px', 'height: 1px',
+ 'width:0px', 'width: 0px','width:1px', 'width: 1px',
// Uncommon user websites
'~root', '~ftp', '~nobody',
// Windows XP (?) hacks
'xp_enumdsn', 'xp_availablemedia', 'xp_filelist', 'xp_cmdshell',
+ // 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%20', 'HTTP/1.',
- 'window.open', 'img src', 'img%20src', '.jsp', 'servlet',
+ '&aim', 'new_password', '&icq', '.conf', 'motd ', 'HTTP/1.',
+ 'window.open', 'img src', 'img src', '.jsp', 'servlet',
'wwwacl', '.js', '.jsp', 'server-info', 'server-status',
'secure_site, ok', 'chunked', 'org.apache', '/servlet/con',
'<script', 'mod_gzip_status', '.system', 'http_',
- 'uol.com', ',0x', '(0x',
+ 'uol.com', ',0x', '(0x'
);
// 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.
- '%20style=', 'overflow:auto', 'height:1px', 'width:1px', 'display:hidden', 'style.display',
+ ' style=', 'overflow:auto', 'height:1px', 'width:1px', 'display:hidden', 'style.display',
// "Common" login names from VHCS exploiters ;-)
'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()));
+ $GLOBALS['ctracker_checked_ua'] = urldecode(str_ireplace($GLOBALS['ctracker_get_blacklist'], '*', crackerTrackerUserAgent()));
+
+ /*
+ * If it differs to original and the *whole* request string is not in
+ * whitelist then blog the attempt.
+ */
+ $isWorm = (
+ (
+ $GLOBALS['ctracker_checked_get'] != crackerTrackerQueryString() && (!in_array(crackerTrackerQueryString(), $GLOBALS['ctracker_whitelist']))
+ ) || (
+ $GLOBALS['ctracker_checked_ua'] != crackerTrackerUserAgent()
+ )
+ );
+ //* DEBUG-DIE: */ die('isWorm='.intval($isWorm).PHP_EOL.'get="'.$GLOBALS['ctracker_checked_get'].'"'.PHP_EOL.'"'.crackerTrackerQueryString().'"'.PHP_EOL.'ua="'.$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'], '*', $GLOBALS['ctracker_post_track']));
// Is it detected?
- return ((isCrackerTrackerWormDetected()) || ($GLOBALS['ctracker_check_post'] != $GLOBALS['ctracker_post_track']));
+ return ((isCrackerTrackerWormDetected()) || ($GLOBALS['ctracker_checked_post'] != $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() . '
// Construct dummy array
$rowData = array(
'remote_addr' => determineCrackerTrackerRealRemoteAddress(),
- 'check_worm' => $GLOBALS['ctracker_checkworm'],
+ 'proxy_addr' => getenv('REMOTE_ADDR'),
+ 'check_worm' => $GLOBALS['ctracker_checked_get'],
'server_name' => crackerTrackerServerName()
);
Remote-IP : '.determineCrackerTrackerRealRemoteAddress().'
User-Agent : '.crackerTrackerUserAgent().'
Request-string : '.crackerTrackerQueryString().'
-Filtered string : '.$GLOBALS['ctracker_checkworm'].'
+Filtered string : '.$GLOBALS['ctracker_checked_get'].'
Server : '.crackerTrackerServerName().'
Script : '.crackerTrackerScriptName().'
Referrer : '.crackerTrackerReferer().'
-----------------------------------------------------
POST string : '.$GLOBALS['ctracker_post_track'].'
-Filtered POST string : '.$GLOBALS['ctracker_check_post'].'
+Filtered POST string : '.$GLOBALS['ctracker_checked_post'].'
-----------------------------------------------------
';
// Prepare array for database insert
$rowData = array(
- 'remote_addr' => determineCrackerTrackerRealRemoteAddress(),
- 'user_agent' => crackerTrackerUserAgent(),
- 'get_data' => crackerTrackerQueryString(),
- 'post_data' => $GLOBALS['ctracker_post_track'],
- 'check_worm' => $GLOBALS['ctracker_checkworm'],
- 'check_post' => $GLOBALS['ctracker_check_post'],
- 'server_name' => crackerTrackerServerName(),
- 'script_name' => crackerTrackerScriptName(),
- 'referer' => crackerTrackerReferer(),
- 'proxy_used' => $proxyUsed,
- 'first_attempt' => 'NOW()'
+ 'remote_addr' => determineCrackerTrackerRealRemoteAddress(),
+ 'proxy_addr' => getenv('REMOTE_ADDR'),
+ 'user_agent' => crackerTrackerUserAgent(),
+ 'get_data' => crackerTrackerQueryString(),
+ 'post_data' => $GLOBALS['ctracker_post_track'],
+ 'check_worm' => $GLOBALS['ctracker_checked_get'],
+ 'check_post' => $GLOBALS['ctracker_checked_post'],
+ 'server_name' => crackerTrackerServerName(),
+ 'script_name' => crackerTrackerScriptName(),
+ 'referer' => crackerTrackerReferer(),
+ 'request_method' => crackerTrackerRequestMethod(),
+ 'proxy_used' => $proxyUsed,
+ 'first_attempt' => 'NOW()'
);
// Insert the array in database
if (isset($GLOBALS['ctracker_last_suspicious_entry'])) {
// Does the user have a ticket?
if (ifCrackerTrackerIpHasTicket()) {
- // Should we continue?
- if (isset($_POST['ctracker_continue'])) {
- // Set cookie
- sendCrackerTrackerCookie();
-
- // And redirect to same URL
- crackerTrackerRedirectSameUrl();
- } elseif (ifCrackerTrackerCookieIsSet()) {
- // Return here to normal program
- return;
- } else {
- // Load "Thank you" template
- crackerTrackerLoadTemplate('add_ticket_thanks');
- }
+ // Load "Thank you" template
+ crackerTrackerLoadTemplate('add_ticket_thanks');
} elseif ((isset($_POST['ctracker_add_ticket'])) && (!empty($_POST['name'])) && (!empty($_POST['email']))) {
// Add the ticket
addCrackerTrackerTicket($_POST);
projects / ctracker.git / blobdiff