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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 INTERNET RISK UPDATE for 05-06-2002 ISS X-Force Internet Threat Intelligence Center www.iss.net - Click on the AlertCon logo for more information. ******************************************** ALERTCON 2 Projected: AlertCon 2 ******************************************** ALERTCON 2 - We have increased to AlertCon 2, a heighten state of awareness, to re-emphasize patching efforts in the wake of the potentially dangerous exploit listed below. Vulnerabilities: Critical Exploit warning: Exploit code for the Microsoft IIS vulnerability discussed in the April 10, 2002 X-Force Alert has been posted to the Internet. ISS expects this exploit code will be enhanced to include a more destructive payload and worm-like propagation capabilities in the very near future. Macromedia Flash: A security hole has been found in the way Macromedia's Flash Player handles ActiveX content which could allow an attacker to run code of their choice on vulnerable systems. VIRUSES/WORMS: The Klez and its variations are still hammering many networks and there are a few low-level viruses out there as well today. ******************************************** RECOMMENDATIONS ******************************************** For further information on the Microsoft IIS vulnerability, please refer to: http://www.iss.net/security_center/alerts/advise11 4.php ISS X-Force recommends defensive vulnerability scans be initiated immediately and determine systems still requiring application of the Microsoft patch: <http://www.microsoft.com/technet/treeview/default .asp?)url=/technet/security/bulletin/MS02-018.asp> For the Macromedia Flash vulnerability, please see: <http://www.macromedia.com/shockwave/download/inde x.cgi?P1_Prod_Version=ShockwaveFlash> For a list of current vulnerabilities, please see: https://gtoc.iss.net/vulnerabilities.php 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 61.66% Unauthorized Access Attempt 18.21% Suspicious Activity 12.74% Denial Of Service 05.19% Pre-Attack Probe 02.18% 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/de fault.htm ******************************************** 80 (http) 76.63% 161 (SNMP) 09.29% 69 (tftp) 03.82% 139 (NetBIOS) 01.93% 162 (SNMPTrap) 01.88% 21 (ftp) 01.70% 25 (smtp) 01.46% 22 (ssh) 01.31% 1500 (lp,lpr,prntr) 01.20% 6768 (unassigned) 00.77% ******************************************** 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/AwUBPNafAZG41ROSQPncEQIp+wCcDWriykeeXwG/NiozdckFe4Vu9I8An2V2 /HWClvy4RV16nqRKRAoF9rRl =f8Xo -----END PGP SIGNATURE-----
