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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 INTERNET RISK UPDATE for 04-16-2002 ISS X-Force Internet Threat Intelligence Center www.iss.net - Click on AlertCon logo for more information. ******************************************** ALERTCON 1 Projected: AlertCon 1 ******************************************** ALERTCON 1 - We are at AlertCon 1, the usual chaotic state of the Internet. CISCO: Cisco has released a Security Advisory on the heels of Microsoft's Security Bulletin MS02-018. The Cisco Advisory states that all Cisco products and applications that are using Microsoft IIS are considered vulnerable to the execution of arbitrary code or a denial of service attack. Cisco strongly suggests the application of the recommended patches below. VIRUSES/WORMS: WORM_MALDAL.J - This mass-mailing worm arrives as a link to a malicious Web site. ******************************************** RECOMMENDATIONS ******************************************** X-Force recommends that all affected IIS customers apply the following Microsoft supplied patches immediately: Microsoft IIS 4.0: http://www.microsoft.com/Downloads/Release.asp?Rel easeID=37931 Microsoft IIS 5.0: http://www.microsoft.com/Downloads/Release.asp?Rel easeID=37824 Microsoft IIS 5.1: http://www.microsoft.com/Downloads/Release.asp?Rel easeID=37857 For further information on the MALDAL.J worm, please refer to: <http://www.antivirus.com/vinfo/virusencyclo/defau lt5.asp?VName=WORM_MALDAL.J> Information regarding viruses and worms please see: https://gtoc.iss.net/viruses.php ******************************************** ATTACK SIGNATURE RANKING - global IDS, midnight - midnight, previous Day, % of total ******************************************** Protocol Decode 39.63% Denial Of Service 26.66% Suspicious Activity 18.73% Unauthorized Access Attempt 10.94% Pre-Attack Probe 04.01% Back Door 00.03% ******************************************** TOP TEN ATTACK DESTINATION PORTS - global IDS, midnight - midnight, previous day, % of top ten (ports found at) http://www.networkice.com/Advice/Exploits/Ports/de fault.htm ******************************************** 80 (http) 71.84% 161 (SNMP) 12.12% 21 (ftp) 04.28% 139 (NetBIOS) 04.15% 25 (smtp) 02.04% 22 (ssh) 01.74% 162 (SNMPTrap) 01.44% 1500 (VLSI) 01.05% 443 (ssl) 00.71% 23 (telnet) 00.64% ******************************************** 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 2002 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. You can download the public key from MIT's PGP key server and PGP.com's key server. Patrick Gray Manager, X-Force Internet Threat Intelligence Center Internet Security Systems 6303 Barfield Road Atlanta, GA 30328 -----BEGIN PGP SIGNATURE----- Version: PGP 7.0.4 iQA/AwUBPLwkbJG41ROSQPncEQL8JgCgqw6UEZEskPLMe75d0sePuA8uD9wAoK06 w2cRD/U9BTL2U2A+mbRbYfY6 =f/6L -----END PGP SIGNATURE-----
