// Set error_reporting
if (isCrackerTrackerDebug()) {
// For debugging purposes, this is fine
- @error_reporting(E_ALL, E_STRICT);
+ @error_reporting(E_ALL | E_STRICT);
} else {
// No output
@error_reporting(0);
// Whitelist some absolute query strings (see below)
$GLOBALS['ctracker_whitelist'] = array(
- 'cmd=new', // LinPHA
- 'cmd=edit', // LinPHA
- 'cmd=lostpw' // LinPHA
+ 'cmd=new', // LinPHA
+ 'cmd=edit', // LinPHA
+ 'cmd=lostpw', // LinPHA
+ 'secure_session=1', // Mantis Bug Tracker
);
- // Attacks we should detect and blok
- $GLOBALS['ctracker_wormprotector'] = array(
- 'chr(', 'chr=', 'chr%20', '%20chr', 'wget%20', '%20wget', 'wget(',
- 'cmd=', '%20cmd', 'cmd%20', 'rush=', '%20rush', 'rush%20',
- 'union%20', '%20union', 'union(', 'union=', 'echr(', '%20echr', 'echr%20', 'echr=',
- 'esystem(', 'esystem%20', 'cp%20', '%20cp', 'cp(', 'mdir%20', '%20mdir', 'mdir(',
- 'mcd%20', 'mrd%20', 'rm%20', '%20mcd', '%20mrd', '%20rm',
- 'mcd(', 'mrd(', 'rm(', 'mcd=', 'mrd=', 'mv%20', 'rmdir%20', 'mv(', 'rmdir(',
- 'chmod(', 'chmod%20', '%20chmod', 'chmod(', 'chmod=', 'chown%20', 'chgrp%20', 'chown(', 'chgrp(',
- 'locate%20', 'grep%20', 'locate(', 'grep(', 'diff%20', 'kill%20', 'kill(', 'killall',
- 'passwd%20', '%20passwd', 'passwd(', 'telnet%20', 'vi(', 'vi%20', 'cgi-', '.eml',
- 'insert%20into', 'select%20', 'nigga(', '%20nigga', 'nigga%20', 'fopen', 'fwrite', '%20like', 'like%20',
- '$_request', '$_get', '$request', '$get', '.system', 'HTTP_PHP', '&aim', '%20getenv', 'getenv%20',
- 'new_password', '&icq','/etc/passwd','/etc/shadow', '/etc/groups', '/etc/gshadow',
- 'HTTP_USER_AGENT', 'HTTP_HOST', 'wget%20', 'uname\x20-a', 'bin/id', '/bin/', '/chgrp',
- '/chown', '/usr/bin', 'g\+\+', 'bin/python', 'bin/tclsh', 'bin/nasm', 'perl%20', 'traceroute%20',
- 'ping%20', '.pl', 'bin/xterm', 'lsof%20', '.conf', 'motd%20', 'HTTP/1.', '.inc.php', '.lib.php',
- 'config.php', 'file\://', 'window.open', '<SCRIPT>', 'javascript\://', 'img src', 'img%20src', '.jsp',
- 'ftp.exe', 'xp_enumdsn', 'xp_availablemedia', 'xp_filelist', 'xp_cmdshell', 'nc.exe', '.htpasswd',
- 'servlet', '/etc/passwd', 'wwwacl', '~root', '~ftp', '.js', '.jsp', '.history', 'bash_history',
- '.bash_history', '~nobody', 'server-info', 'server-status', 'reboot%20', 'halt%20',
- 'powerdown%20', '/home/ftp', '/home/www', 'secure_site, ok', 'chunked', 'org.apache', '/servlet/con',
- '<script', '/robot.txt' ,'/perl' ,'mod_gzip_status', 'db_mysql.inc', '.inc', 'select%20from',
- 'select from', 'drop%20', '.system', 'getenv', 'http_', '_php', 'php_', 'phpinfo()', '\<?php', '?\>', 'sql=',
- 'div style=', 'overflow: auto', 'height: 1px', 'cc%20', 'admin_action=', 'path=', 'action=http',
- 'page=http', 'module=http', 'op=http', 'id=http', 'id%3Dhttp', 'action%3Dhttp', 'page%3Dhttp',
- 'module%3Dhttp', 'op%3Dhttp', 'starhack', '../../', 'directory=http', 'dir=http', 'busca', 'uol.com'
+ // Attacks we should detect and block
+ $GLOBALS['ctracker_get_blacklist'] = array(
+ // SQL injections
+ 'union ', ' union', 'insert ',
+ 'select ', ' like', 'like ', 'drop ', 'update ',
+ 'union(', 'union=',
+
+ // $GLOBAL/$_SERVER array elements
+ 'HTTP_USER_AGENT', 'HTTP_HOST', 'HTTP_PHP', '_SESSION','CFG_ROOT',
+ 'DOCUMENT_ROOT', '_SERVER',
+
+ // Sensitive files
+ '/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 ', 'ping ', 'bin/xterm', 'bin/./xterm', 'lsof ',
+ 'telnet ', 'wget ', '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(',
+
+ // Other Linux programs (+ equal)
+ 'mcd=', 'mrd=', 'chmod=', 'chr=', 'rush=', 'echr=',
+
+ // Paths
+ '/etc/', '/bin/', '/sbin/', '/self/', '/proc/', '../../','..//', '././',
+ '/home/ftp', '/home/./ftp', '/home/./www', '/home/www', '/www/virtual/',
+ '/www/./virtual/',
+
+ // Uni* commands:
+ '/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',
+ 'nc.exe', 'ftp.exe',
+
+ // PHP commands/scripts
+ 'fopen', 'fwrite', 'phpinfo()', '\<?', '?\>',
+
+ // 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',
+
+ // Generic remote inclusion
+ '=http://', '=https://',
+ 'path=', 'sql=',
+ '=%7BQUOT%7D', '=%5C', '=%22http','=%22ftp','=%22file','=%27http','=%27ftp',
+ '=%27file',
+
+ // Wrappers
+ 'data://', 'tcp://', 'udp://', 'raw://', 'javascript://', 'file://', 'ftp://',
+
+ // Blocked "users"
+ 'nigga(', ' nigga', 'nigga ', 'starhack', 'busca',
+
+ // Hidden HTML stuff
+ ' 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',
+
+ // @TODO Misc/unsorted
+ 'cgi-', '.eml', '$_request', '$_get', '$request', '$get', '.system',
+ '&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',
);
// Block these words found in POST requests
$GLOBALS['ctracker_post_blacklist'] = array(
- // These two lines are for detecting hidden link spam in wikis, forums, guestbooks, etc.
- 'div style=', 'overflow:auto', 'height:1px', 'width:1px', 'display:hidden',
- 'overflow: auto', 'height: 1px', 'display: hidden',
- // "Common" login name from VHCS exploiters ;-)
- 'starhack', 'DeLiMehmet', 'hisset', 'Hisset', 'delimert', 'MecTruy',
- 'busca'
+ // This line is for detecting hidden link spam in wikis, forums, guestbooks, etc.
+ ' 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'] = '';
}
// Checks for worms
function isCrackerTrackerWormDetected () {
// Check against the whole list
- $GLOBALS['ctracker_checkworm'] = str_replace($GLOBALS['ctracker_wormprotector'], '*', $_SERVER['QUERY_STRING']);
+ $GLOBALS['ctracker_checkworm'] = urldecode(str_ireplace($GLOBALS['ctracker_get_blacklist'], '*', crackerTrackerQueryString()));
// If it differs to original and the *whole* request string is not in whitelist
// then blog the attempt
- return ($GLOBALS['ctracker_checkworm'] != $_SERVER['QUERY_STRING'] && (!in_array($_SERVER['QUERY_STRING'], $GLOBALS['ctracker_whitelist'])));
+ return ($GLOBALS['ctracker_checkworm'] != crackerTrackerQueryString() && (!in_array(crackerTrackerQueryString(), $GLOBALS['ctracker_whitelist'])));
}
// Checks POST data
function isCrackerTrackerPostAttackDetected () {
// Implode recursive the whole $_POST array
- $GLOBALS['ctracker_post_track'] = implode_r('', $_POST);
+ $GLOBALS['ctracker_post_track'] = urldecode(implode_r('', $_POST));
// Check for suspicious POST data
- $GLOBALS['ctracker_check_post'] = str_replace($GLOBALS['ctracker_post_blacklist'], '*', $GLOBALS['ctracker_post_track']);
+ $GLOBALS['ctracker_check_post'] = str_ireplace($GLOBALS['ctracker_post_blacklist'], '*', $GLOBALS['ctracker_post_track']);
// Is it detected?
return ((isCrackerTrackerWormDetected()) || ($GLOBALS['ctracker_check_post'] != $GLOBALS['ctracker_post_track']));
// Prepares a mail and send it out
function sendCrackerTrackerMail () {
+ // Log the attack
+ crackerTrackerLogAttack();
+
// Mail content
- $mail = "Attack detected:
+ $mail = 'Attack detected:
-----------------------------------------------------
-Remote-IP : ".determineCrackerTrackerRealRemoteAddress()."
-User-Agent : ".$_SERVER['HTTP_USER_AGENT']."
-Request-string : ".$_SERVER['QUERY_STRING']."
-Filtered string : ".$GLOBALS['ctracker_checkworm']."
-Server : ".$_SERVER['SERVER_NAME']."
-Script : ".$_SERVER['SCRIPT_NAME']."
-Referrer : ".$_SERVER['HTTP_REFERRER']."
+Remote-IP : ' . determineCrackerTrackerRealRemoteAddress() . '
+User-Agent : ' . crackerTrackerUserAgent() . '
+Request-string : ' . crackerTrackerQueryString() . '
+Filtered string : ' . $GLOBALS['ctracker_checkworm'] . '
+Server : ' . crackerTrackerServerName() . '
+Script : ' . crackerTrackerScriptName() . '
+Referrer : ' . crackerTrackerReferer() . '
-----------------------------------------------------
-";
-
- // Log the attack
- crackerTrackerLogAttack();
+';
// Send it out
crackerTrackerSendMail($mail);
crackerTrackerDie();
}
+// Sends the ticket emails out
+function sendCrackerTrackerTicketMails () {
+ // Load user template
+ $mail = crackerTrackerLoadEmailTemplate('user_add_ticket', $GLOBALS['ctracker_last_ticket']);
+
+ // Send email to the user
+ crackerTrackerSendMail($mail, $GLOBALS['ctracker_last_ticket']['ctracker_ticket_email'], getCrackerTrackerLocalized('user_add_ticket_subject'));
+
+ // Load webmaster template
+ $mail = crackerTrackerLoadEmailTemplate('webmaster_add_ticket', $GLOBALS['ctracker_last_ticket'], getCrackerTrackerConfig('ctracker_language'));
+
+ // Send email to the user
+ crackerTrackerSendMail($mail, NULL, getCrackerTrackerLocalized('webmaster_add_ticket_subject'));
+}
+
// Sends a mail out
-function crackerTrackerSendMail ($mail) {
+function crackerTrackerSendMail ($mail, $recipient = NULL, $subject = NULL) {
// Construct dummy array
$rowData = array(
'remote_addr' => determineCrackerTrackerRealRemoteAddress(),
+ 'proxy_addr' => getenv('REMOTE_ADDR'),
'check_worm' => $GLOBALS['ctracker_checkworm'],
- 'server_name' => $_SERVER['SERVER_NAME']
+ 'server_name' => crackerTrackerServerName()
);
// Only send email if not yet found
// Send the email out only in non-debug mode
if (isCrackerTrackerDebug()) {
// Output message
- print '<pre>' . $mail . '</pre>';
+ print 'Recipient=' . $recipient . '<br />Subject=' . $subject . '<br />Text=<pre>' . $mail . '</pre>';
// All fine
- return true;
+ return TRUE;
+ } elseif (!is_null($recipient)) {
+ // Recipient specified
+ return mail($recipient, $subject, $mail, $GLOBALS['ctracker_header']);
} elseif (isset($GLOBALS['ctracker_email'])) {
// Send it
return mail($GLOBALS['ctracker_email'], 'CTracker: Attack detected!', $mail, $GLOBALS['ctracker_header']);
// Send it the deprecated way with constant
return mail(constant('__CTRACKER_EMAIL'), 'CTracker: Attack detected!', $mail, $GLOBALS['ctracker_header']);
}
- } // END - if
+ } elseif (isCrackerTrackerDebug()) {
+ // Output message
+ print 'Recipient=' . $recipient . '<br />Subject=' . $subject . '<br />Text=<pre>' . $mail . '</pre>';
+
+ // All fine
+ return TRUE;
+ }
}
// Sends a detected POST attack mail
function sendCrackerTrackerPostMail () {
+ // Log the attack
+ crackerTrackerLogAttack();
+
// Mail text
- $mail = "POST-Attack detected:
+ $mail = 'POST-Attack detected:
-----------------------------------------------------
-Remote-IP : ".determineCrackerTrackerRealRemoteAddress()."
-User-Agent : ".$_SERVER['HTTP_USER_AGENT']."
-Request-string : ".$_SERVER['QUERY_STRING']."
-Filtered string : ".$GLOBALS['ctracker_checkworm']."
-Server : ".$_SERVER['SERVER_NAME']."
-Script : ".$_SERVER['SCRIPT_NAME']."
-Referrer : ".$_SERVER['HTTP_REFERRER']."
+Remote-IP : '.determineCrackerTrackerRealRemoteAddress().'
+User-Agent : '.crackerTrackerUserAgent().'
+Request-string : '.crackerTrackerQueryString().'
+Filtered string : '.$GLOBALS['ctracker_checkworm'].'
+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_check_post'].'
-----------------------------------------------------
-";
-
- // Log the attack
- crackerTrackerLogAttack();
+';
// Send it out
crackerTrackerSendMail($mail);
// Close database link
crackerTrackerCloseDatabaseLink();
- // Sleep a little to waste the attacker's time
- if (!isCrackerTrackerDebug()) sleep(mt_rand(10,30));
+ // Do only sleep if debug/developer mode is not enabled
+ if (!isCrackerTrackerDebug()) {
+ // Sleep a little to waste the attacker's time
+ sleep(mt_rand(10,30));
+ } // END - if
// Bye, bye...
- die();
+ if (isCrackerTrackerDebug()) {
+ // With debug backtrace in debug/developer mode
+ print '<pre>';
+ debug_print_backtrace();
+ die('</pre>');
+ } else {
+ // Simple die() call
+ die();
+ }
}
// Logs the attack attempt
// Prepare array for database insert
$rowData = array(
- 'remote_addr' => determineCrackerTrackerRealRemoteAddress(),
- 'user_agent' => $_SERVER['HTTP_USER_AGENT'],
- 'get_data' => $_SERVER['QUERY_STRING'],
- 'post_data' => $GLOBALS['ctracker_post_track'],
- 'check_worm' => $GLOBALS['ctracker_checkworm'],
- 'check_post' => $GLOBALS['ctracker_check_post'],
- 'server_name' => $_SERVER['SERVER_NAME'],
- 'script_name' => $_SERVER['SCRIPT_NAME'],
- 'referer' => $_SERVER['HTTP_REFERER'],
- 'proxy_used' => $proxyUsed
+ 'remote_addr' => determineCrackerTrackerRealRemoteAddress(),
+ 'proxy_addr' => getenv('REMOTE_ADDR'),
+ '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' => $proxyUsed,
+ 'first_attempt' => 'NOW()'
);
// Insert the array in database
- crackerTrackerInsertArray($rowData);
+ crackerTrackerInsertArray('ctracker_data', $rowData);
+}
+
+// Alerts the current user about malicious/suspicious traffic
+function crackerTrackerAlertCurrentUser () {
+ // Is there some data?
+ if (isset($GLOBALS['ctracker_last_suspicious_entry'])) {
+ // Does the user have a ticket?
+ if (ifCrackerTrackerIpHasTicket()) {
+ // Should we continue?
+ if (isset($_POST['ctracker_continue'])) {
+ // Set cookie
+ sendCrackerTrackerCookie();
+
+ // And redirect to same URL
+ crackerTrackerRedirectSameUrl();
+ } elseif (ifCrackerTrackerCookieIsSet()) {
+ // Return here to normal program
+ return;
+ } else {
+ // Load "Thank you" template
+ crackerTrackerLoadTemplate('add_ticket_thanks');
+ }
+ } elseif ((isset($_POST['ctracker_add_ticket'])) && (!empty($_POST['name'])) && (!empty($_POST['email']))) {
+ // Add the ticket
+ addCrackerTrackerTicket($_POST);
+
+ // Send the email out
+ sendCrackerTrackerTicketMails();
+ } else {
+ // Display the form for new ticket
+ crackerTrackerLoadTemplate('add_ticket');
+ }
+ } // END - if
+
+ // And stop here
+ die();
}
// [EOF]