-----BEGIN PGP SIGNED MESSAGE----- Internet Security Systems Security Alert June 19, 2003
"Stumbler" Distributed Stealth Scanning Network Synopsis: X-Force has been tracking reports of suspicious and widespread Internet traffic with a TCP Window size of 55808. A substantial amount of traffic captured from sites around the world point to a new distributed port scanning system. X-Force has analyzed malware that appears to be a client capable of scanning and receiving network mapping data from other similar clients distributed across the Internet. X-Force has named this malware, "Stumbler". For the complete ISS X-Force Security Alert, please visit: http://www.iss.net/issEn/delivery/xforce/alertdetail.jsp?oid=22441 ______ About Internet Security Systems (ISS) Founded in 1994, Internet Security Systems (ISS) (Nasdaq: ISSX) is a pioneer and world leader in software and services that protect critical online resources from an ever-changing spectrum of threats and misuse. Internet Security Systems is headquartered in Atlanta, GA, with additional operations throughout the Americas, Asia, Australia, Europe and the Middle East. Copyright (c) 2003 Internet Security Systems, Inc. All rights reserved worldwide. Permission is hereby granted for the electronic redistribution of this document. It is not to be edited or altered in any way without the express written consent of the Internet Security Systems X-Force. If you wish to reprint the whole or any part of this document in any other medium excluding electronic media, please email xforceiss.net for permission. Disclaimer: The information within this paper may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information. X-Force PGP Key available on MIT's PGP key server and PGP.com's key server, as well as at http://www.iss.net/security_center/sensitive.php Please send suggestions, updates, and comments to: X-Force xforceiss.net of Internet Security Systems, Inc. -----BEGIN PGP SIGNATURE----- Version: 2.6.2 iQCVAwUBPvKEgzRfJiV99eG9AQGLegP+NTWvea7ISoLNYkPYQkbtuVo4c6xyRclx QtFAr8VcNBI6ooQdLKElWCuC8v8t5Nne2kqYIc95Q9X+4LniUDdEzDLZ74sJPfFs 3gv0YxxCBi/mVB4QYzhFRA4iAcWKajHOBjw8/a4WrxdSECw74d3NU9m7o5KFyZqe rnVHtJKcw1Q= =FYEH -----END PGP SIGNATURE----- _______________________________________________ ISSForum mailing list [EMAIL PROTECTED] TO UNSUBSCRIBE OR CHANGE YOUR SUBSCRIPTION, go to https://atla-mm1.iss.net/mailman/listinfo
