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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 INTERNET THREAT UPDATE for 12-10-2001 ISS X-Force Special Operations Group www.iss.net - Click on "Current Internet Threat" for full details. ****************************************************** ALERTCON 1 ****************************************************** - - We return to AlertCon 1. The Goner and Badtrans Worms remain a threat to those that have not updated their anti-virus protection and applied the Microsoft patch for the Badtrans; however, this activity is now assumed under the definition of AlertCon 1. - - Now might be a good time to update all system and software patches and to give thought to creating a Disaster Recovery Plan in preparation for the time when a crisis will occur, either cyber or physical. - ------------------------------------------------------ RECOMMENDATIONS - ------------------------------------------------------ - - Solutions, links to patches and information on the Badtrans Worm can be found in the X-Force Security Brief. http://xforce.iss.net/alerts/securitybrief1.php - - The Goner Mass-Mailer Worm uses a subject line beginning with 'Hi'. Delete e-mails with 'Hi' in the subject line and review the X-Force Alert for additional solutions. http://xforce.iss.net/alerts/advise104.php - - All users and systems administrators should update their anti-virus software and initiate a virus scan. - ------------------------------------------------------ ATTACK SIGNATURE RANKING - global IDS, midnight - midnight, previous day, % of total - ------------------------------------------------------ Unauthorized Access Attempt 52.32% Protocol Decode 43.82% Denial Of Service 01.69% Pre-Attack Probe 01.45% Suspicious Activity 00.72% Back Door 00.01% - ------------------------------------------------------ TOP TEN ATTACK DESTINATION PORTS - global IDS, midnight - midnight, previous day, % of top ten (ports found at) http://www.networkice.com/Advice/Exploits/Ports/default.htm - ------------------------------------------------------ 80 (http) 95.26% 69 (tftp) 01.73% 22 (ssh) 00.80% 25 (smtp) 00.74% 21 (ftp) 00.60% 6768 (unassigned) 00.39% 53 (DNS) 00.19% 1500 (Unassigned) 00.16% 12754 (unassigned) 00.08% 515 (lp, lpr) 00.07% - ------------------------------------------------------ BACKGROUND, COPYRIGHT NOTICE, and DISCLAIMER - ------------------------------------------------------ Background. We provide this information in the spirit of PDD 63 to help security professionals wage the war against Internet threats more effectively. Information in this update derived primarily from global, real time, 24 x 7 IDS feeds, ISS X-Force R&D Team research, and professional liaison. Other sources as noted. AlertCon 1 reflects the global, malicious, determined, 24 x 7 attacks experienced by all networks. AlertCon 2 means increased vigilance/action recommended due to a specific threat or concern. AlertCon 3 means increased attacks against specific targets or vulnerabilities on a scale that is unusually high, action required. AlertCon 4 reflects an Internet emergency for a target or group of targets whose business continuity may depend on some sort of immediate, decisive action. All summaries cover 24 hours the previous workday, GMT. Monday summaries may cover some weekend activity. Copyright 2001 Internet Security Systems, Inc. Permission is granted for the redistribution of the Internet Threat Update electronically. It is not to be sold or edited in any way without express consent of ISS. Refer comments or questions to: [EMAIL PROTECTED] or [EMAIL PROTECTED] Disclaimer: This information is subject to change without notice. Use of this information constitutes acceptance for use in an 'as is' condition. There are no warranties with regard to this information. In no event shall the author be liable for any damages whatsoever arising out of or in connection with the use or spread of this information. Any use of this information is at the user's own risk. No other use authorized. FOIA Exemption 4. Patrick Gray Manager, Internet Threat Intelligence Center X-Force, MSS Special Operations Group Internet Security Systems 6303 Barfield Road Atlanta, GA 30328 -----BEGIN PGP SIGNATURE----- Version: PGP 7.0 iQA/AwUBPBUDIpG41ROSQPncEQI0HgCfQoPfUoNOpfIRJFAQzrHnnGrBQf8AoNjY BeBEIo6+h8Y+2UeMBGbjocLo =WkZx -----END PGP SIGNATURE-----
