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-----BEGIN PGP SIGNED MESSAGE----- =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2004.0162 -- Trend Micro Medium Risk Virus Alert WORM_NETSKY.C (W32/Netsky.C@MM, W32.Netsky.C@mm, Win32.Netsky.C, NetSky.C, I-Worm.Moodown.c) 26 February 2004 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Publisher: Trend Micro Operating System: Windows Impact: Reduced Security Access Confidential Data Access Required: Remote Ref: AL-2004.05 Comment: See also: http://www.trendmicro.com/vinfo/virusencyclo/default5.asp?VName=WORM_NETSKY.C http://www3.ca.com/virusinfo/virus.aspx?ID=38406 http://us.mcafee.com/virusInfo/default.asp?id=description&virus_k=101048 http://www.f-secure.com/v-descs/netsky_c.shtml http://www.sophos.com/virusinfo/analyses/w32netskyc.html http://securityresponse.symantec.com/avcenter/venc/data/w32.netsky.c@mm.html http://vil.nai.com/vil/content/v_101048.htm - --------------------------BEGIN INCLUDED TEXT-------------------- A new variant of the NETSKY worm has been found in the wild. TrendLabs HQ received numerous infection reports of this new malware spreading in the United States. This memory-resident worm propagates through SMTP mail and drops copies of itself in network shares. It drops several copies of itself through various shared folders in Windows, using enticing file names. This malware also drops a copy of itself in the Windows folder using the file name WINLOGON.EXE. It uses varying email details in the message it sends out. As of February 25, 2004 9:20 AM (US Pacific Time), TrendLabs has declared a YELLOW ALERT to control the spread of WORM_NETSKY.C. TrendLabs will be releasing the following EPS deliverables: TMCM Outbreak Prevention Policy 83 Official Pattern Release 779 Damage Cleanup Template 267 For more information on WORM_NETSKY.C, you can visit our Web site at: http://www.trendmicro.com/vinfo/virusencyclo/default5.asp?VName=WORM_NETSKY.C - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 If you believe that your computer system has been compromised or attacked in any way, we encourage you to let us know by completing the secure National IT Incident Reporting Form at: http://www.auscert.org.au/render.html?it=3192 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQCVAwUBQD0u1yh9+71yA2DNAQELXwP+LT+VI7tedSSoqzIoP3xsca1hxbCWK/ts O4d5NztdpnKsYe7mjwunlHxfXoWmHFzCQOej/HDehatM72vexmvlJxbDHQhb8DA4 ipv9hSOrOh4bSwSjxoRsLvfoiNxE8HmSJTVqtksr1uE+X9BgpkzHrqoijHDVZXnA ZeNepJ8sA6I= =6T1s -----END PGP SIGNATURE-----