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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 INTERNET RISK UPDATE for 05-13-2002 ISS X-Force Internet Threat Intelligence Center www.iss.net - Click on the AlertCon logo for more information. ******************************************** ALERTCON 1 Projected: AlertCon 1 ******************************************** ALERTCON 1 - We are at AlertCon 1, the usual unregulated chaos on the Internet. Vulnerabilities: MSN: The MSN Chat control is an ActiveX control that allows groups of users to gather in a single, virtual location online to engage in text messaging. An unchecked buffer exists in one of the functions that handle input parameters in the MSN Chat control. A successful attack could allow code to run in the user's context. VIRUSES/WORMS: WORM_DONGHE.A - this worm uses Simple Mail Transfer Protocol (SMTP) to propagate copies of itself via email. It arrives as an executable attachment that is registered as content-type of audio/x-wav. When the email recipients view its infected email, the default application associated with audio files, which is usually the Windows Media Player, is opened. ******************************************** RECOMMENDATIONS ******************************************** MSN: Microsoft has provided a patch for the ActiveX vulnerability in MSN Messenger and Chat. It is recommended that users of these utilities update immediately: http://www.microsoft.com/Downloads/Release.asp?Rel easeID=38790 For a list of current vulnerabilities, please see: https://gtoc.iss.net/vulnerabilities.php For information on the WORM_DONGHE.A, please refer to: <http://www.antivirus.com/vinfo/virusencyclo/defau lt5.asp?VName=WORM_DONGHE.A> Information regarding viruses and worms please see: https://gtoc.iss.net/viruses.php ******************************************** FACTOID: Hackers can clone mobile phone SIM cards easily, allowing them to make calls and steal information. The hackers commonly employ a tactic called a partitioning attack, which focuses on the power fluctuations inside the phone's SIM (Security Identification Module). A hacker only needs access to the phone for one to two minutes to gain access to the phone's data. They can then copy personal information stored on the SIM or make calls remotely at the victim's expense. But the technique only works on the current generation of GSM phones. ******************************************** ATTACK SIGNATURE RANKING - global IDS, midnight - midnight, previous Day, % of total ******************************************** Protocol Decode 39.51% Unauthorized Access Attempt 32.00% Suspicious Activity 16.65% Denial Of Service 08.09% Pre-Attack Probe 03.73% 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) 63.44% 161 (SNMP) 16.95% 69 (tftp) 06.31% 25 (smtp) 03.49% 162 (SNMPTrap) 03.07% 1500 (ADSM/TSM) 02.39% 139 (NetBIOS) 02.07% 22 (ssh) 01.25% 515 (printer) 00.58% 21 (ftp) 00.45% ******************************************** 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/AwUBPN/jvZG41ROSQPncEQIPnwCg7L/2J6GuKtLTFJLI5kKwwrIoSesAoK9z AYbY3Oc1SJ3LxX05FweHbrRK =FBVw -----END PGP SIGNATURE-----
