'/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
'php_', 'class_', '_class.php', 'db_mysql.inc',
// PHP arrays
- '_PHPLIB',
+ '_phplib', '__callbackparam',
// Generic remote inclusion
'=http://', '=https://',
// @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_',
+ 'window.open', 'img src', 'img src', '.jsp', 'servlet', 'org.apache',
+ 'wwwacl', 'server-info', 'server-status', '/servlet/con', 'http_',
+ 'secure_site, ok', 'chunked''<script', 'mod_gzip_status', '.system',
'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', '__callbackparam',
+
+ // 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'
);
+ // Also block these requests (mostly you don't want CONNECT to some SMTP sites)
+ $GLOBALS['ctracker_blocked_requests'] = array('CONNECT' => TRUE);
+
// Init more elements
$GLOBALS['ctracker_post_track'] = '';
$GLOBALS['ctracker_checked_get'] = '';
// Checks for worms
function isCrackerTrackerWormDetected () {
// Check against the whole list
- $GLOBALS['ctracker_checked_get'] = urldecode(str_ireplace($GLOBALS['ctracker_get_blacklist'], '*', str_replace(array('//', '/./'), array('/', '/'), crackerTrackerQueryString())));
- $GLOBALS['ctracker_checked_ua'] = urldecode(str_ireplace($GLOBALS['ctracker_get_blacklist'], '*', str_replace(array('//', '/./'), array('/', '/'), crackerTrackerUserAgent())));
+ $GLOBALS['ctracker_checked_get'] = urldecode(str_ireplace($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
*/
$isWorm = (
(
- $GLOBALS['ctracker_checked_get'] != crackerTrackerQueryString() && (!in_array(crackerTrackerQueryString(), $GLOBALS['ctracker_whitelist']))
+ $GLOBALS['ctracker_checked_get'] != crackerTrackerQueryString(TRUE) && (!in_array(crackerTrackerQueryString(TRUE), $GLOBALS['ctracker_whitelist']))
+ ) || (
+ $GLOBALS['ctracker_checked_ua'] != crackerTrackerUserAgent(TRUE)
) || (
- $GLOBALS['ctracker_checked_ua'] != crackerTrackerUserAgent()
+ isset($GLOBALS['ctracker_blocked_requests'][crackerTrackerRequestMethod()])
)
);
- //* DEBUG-DIE: */ die('isWorm='.intval($isWorm).PHP_EOL.'get="'.$GLOBALS['ctracker_checked_get'].'"'.PHP_EOL.'"'.crackerTrackerQueryString().'"'.PHP_EOL.'ua="'.$GLOBALS['ctracker_checked_ua'].'"'.PHP_EOL.'"'.crackerTrackerUserAgent().'"'.PHP_EOL);
+ //* DEBUG-DIE: */ die('isWorm='.intval($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);
// Return it
return $isWorm;
$GLOBALS['ctracker_post_track'] = urldecode(implode_r('&', $_POST));
// Check for suspicious POST data
- $GLOBALS['ctracker_checked_post'] = urldecode(str_ireplace($GLOBALS['ctracker_post_blacklist'], '*', str_replace(array('//', '/./'), array('/', '/'), $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_checked_post'] != $GLOBALS['ctracker_post_track']));
+ return ((isCrackerTrackerWormDetected()) || ($GLOBALS['ctracker_checked_post'] != crackerTrackerSanitize($GLOBALS['ctracker_post_track'])));
}
// Prepares a mail and send it out
// And stop here
die();
}
-
-// [EOF]
-?>