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MyDoom.S - MEDIUM RISK


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#1 harrywaldron

harrywaldron

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Posted 16 August 2004 - 05:32 AM

McAfee, Trend, and other AV vendors have declared this as MEDIUM RISK due to prevelance.

MyDoom.S - MEDIUM RISK (appears as archieved photos)
http://secunia.com/virus_information/11145/mydoom.s/
http://vil.nai.com/vil/content/v_127616.htm
http://www.sarc.com/avcenter/venc/data/w32.mydoom.q@mm.html
http://www.f-secure.com/v-descs/mydoom_s.shtml
http://www.trendmicro.com/vinfo/virusencyc...me=WORM_RATOS.A
http://www3.ca.com/securityadvisor/virusin...s.aspx?id=39890


This virus is received in an email message as follows:

From: <spoofed>
Subject : photos
Body : LOL!;))))
Attachment : photos_arc.exe

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#2 harrywaldron

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Posted 16 August 2004 - 07:01 AM

SOME BAD NEWS ON THIS ONE: If MyDoom.S infects your PC, it will attempt to download BackDoor-CHR. Once this stealthing driver is running on the victim machine, this threat is not detected by conventional AV scanning methods.


BackDoor-CHR - hidden backdoor installed by MyDoom.S
http://vil.nai.com/vil/content/v_127617.htm

This remote access trojan is downloaded by W32/Mydoom.s@MM . It bears the following characteristics:

* stealths its activity on the victim machine
* serves as a HTTP and SMTP proxy
* attempts to connect to numerous remote IRC servers
appends the local hosts file (in an attempt to disable updating of many AV products)
* The trojan attempts to connect to a remote IRC server to await command. It carries a list of IP addresses and relevant ports for these servers ...




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