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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Copyright 2001 Internet Security Systems (trademark) THE POWER TO PROTECT INTERNET THREAT & SOLUTIONS UPDATE for Oct 17th - Oct 19th, 2001 ISS X-Force Special Operations Group - ---------------------------------------- CURRENT THREAT ASSESSMENT & THREAT FORECAST - ---------------------------------------- AlertCon 1 Today, Oct 17th, 2001 AlertCon 1 For Oct 18th-19th, 2001 This Week's Focus: Disaster Planning and Recovery ************* - - We're remaining at AlertCon 1 and projecting this assessment through mid-day Friday because we're not seeing any threat issues that require focused attention or increased vigilance. - - AlertCon 1 is not 'low'. There is no such thing as a 'low' threat on the Internet. AlertCon 1 assumes the general chaotic, unregulated, insecure nature of the Web. Anyone connecting to it needs to be fully armored against its relentless assaults and focused attacks. - - Nothing much seems to have come from Sircam Worm's anniversary yesterday. Here's a commentary on why this may have failed to ignite: <http://news.cnet.com/news/0-1003-200-7544896.html?tag=dd.ne.dht.nl-sty. 0> - - A new worm has surfaced that seems to be poorly written but which uses social engineering to cause people to open the attachment and execute the harmful payload. The subject line to watch for is 'Antrax Info' (quote marks are not part of the actual subject line.) Actual e-mail text is in Spanish. <http://www.symantec.com/avcenter/venc/data/vbs.vbswg.af.html> - --------------------------------------- Security Focus This Week - Disaster Planning and Recovery - --------------------------------------- - - Today the subject is planning for the implausible. - - Before the events of 9/11 and the later Anthrax scares it would have been hard to justify devoting resources to implausible scenarios. Today it's prudent to have another look. - - Situation: An anthrax discovery in the mailroom has caused a complete evacuation of the building that houses your NOC and primary data center, plus the bulk of your finance and accounting staff, among others. Equipment is functioning just fine. You can't get back into the building until cleared by medical and law enforcement authorities. - - Once the people all complete their medical screening and can return to work, where do they return to? How will you perform remote management on the network and how will you access your e-mail and the files you need to do your jobs? - - There are numerous commercial solutions available for remote management, remote access, and for security for remote management and remote access. This is a good time to start doing your basic research and shopping for the solution that will best fit your situation. - ------------------------------------- Attack Signature Ranking - global IDS, midnight - midnight, previous day, % of total - ------------------------------------- Pre-Attack Probe 53.98% Suspicious Activity 29.34% Unauth Access Attempt 08.68% Denial Of Service 04.02% Protocol Decode 03.85% Back Door 00.13% - ------------------------------------- Top Ten Attack Destination Ports - global IDS, midnight - midnight, previous day, % of top ten (ports found at <http://www.iana.org/assignments/port-numbers> - ------------------------------------- 111 (sunrpc) 47.32% 80 (http) 35.00% 21 (ftp) 10.12% 22 (tcp) 05.99% 25 (smtp) 01.09% 443 (https) 00.15% 31337 (unassigned) 00.12% 143 (imap) 00.08% 15104 (unassigned) 00.06% 69 (tftp) 00.05% - --------------------------------------- VIRUS, VULNERABILITY, NEWS UPDATES - --------------------------------------- - - Visit <http://www.iss.net> under 'Global Internet Threat Intelligence Service' - - According to Sophos <http://www.sophos.com/virusinfo/topten/> the top ten viruses in September 2001 were: 1. Nimda-A 71.2% 2. Sircam-A 11.4% 3. Magistr-A 03.7% 4. Magistr-B 03.0% 5. Hybris-B 01.5% 6. Apology-B 00.7% 7. VBS/Kakworm 00.7% 8. Floss 00.7% 9. Bymer-A 00.5% 10. Badtrans-A 00.4% - --------------------------------------- Defacement Watch - --------------------------------------- - - Alldas.de stats show that since April, 2000, the most defaced OS is Windows, with a total of 15,303 defacements reported, for 64% of the total. Linux is a distant second with 4022 defacements for 17% of the total. - - Alldas reports a very low 18 sites defaced yesterday. Details can be seen at <http://www.alldas.de> under 'current month'. - - A check of yesterday's 18 defacement messages continues to show the work of the known hacker community rather than any professional psyop staff. Thirteen had no political message, 5 were concerned about recreational hacking being labeled as terrorist acts under the new anti terrorist legislation in the US, and 1 was concerned about the effect of the FBI's new search powers on Internet privacy. - - G-Force Pakistan has today defaced an NOAA site with an anti-US and anti-Israeli message and a message purporting to be from Al Qaeda. <http://defaced.alldas.de/mirror/2001/10/17/anburs.kc.noaa.gov/> This is the most focused threat message we've seen to date by any of the traditionally tracked web defacement groups - --------------------------------------- NOTES, COPYRIGHT NOTICE, and DISCLAIMER - --------------------------------------- NOTE 1: Our web site has this information in more attractive format and graphics available to the public at no cost at www.iss.net <http://www.iss.net> under 'Global Internet Threat Intelligence Service' <https://gtoc.iss.net/secure/whatshot.php> Screen captures (Control/PrtSc) of the site's pages dropped into PowerPoint can be an effective way to communicate various aspects of the Internet threat, e.g. the graph depicting 'AlertCon Trends' <https://gtoc.iss.net/secure/graph.html> NOTE 2: We provide this information on Internet threat metrics, viruses, vulnerabilities, patches, and breaking news, 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] mailto: [EMAIL PROTECTED] <mailto:[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. Dennis Dennis Treece Director, Global MSS Special Operations Group Internet Security Systems (ISS) 6303 Barfield Road Atlanta, Georgia 30328 404-236-4065 Cell 404-667-9345 Fax 404-236-2626 Internet Security Systems -- The Power to Protect -----BEGIN PGP SIGNATURE----- Version: PGP 6.5 iQA/AwUBO82xw+OOe/7N9KJeEQK7qgCgryzGot6n/lzGyg6pjy/dni+8yKoAnAy0 j8AsGN+r/qyy0iatCdxPO1wf =c61k -----END PGP SIGNATURE-----
