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Bagle.Z - MEDIUM RISK (Bagle.W at some AV sites)


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#1 harrywaldron

harrywaldron

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Posted 26 April 2004 - 01:31 PM

Bagle.Z - MEDIUM RISK (Bagle.W at some AV sites)
http://vil.nai.com/vil/content/v_122415.htm
http://www.symantec.com/avcenter/venc/data...eagle.w@mm.html
http://www.f-secure.com/v-descs/bagle_y.shtml

Virus Characteristics:
- Update 26th April 09:37 PST --
Due to increased prevalence, this threat has had its risk assessment raised to medium.
--

This is a new variant of W32/Bagle@MM. It is packed using UPX. It is not polymorphic and a static MD5 is not suitable as garbage is always appended to the file.

This is a mass-mailing worm with the following characteristics:

contains its own SMTP engine to construct outgoing messages
harvests email addresses from the victim machine
the From: address of messages is spoofed
attachment can be a password-protected zip file, with the password included in the message body.
contains a remote access component (notification is sent to hacker)
copies itself to folders that have the phrase shar in the name (such as common peer-to-peer applications; KaZaa, Bearshare, Limewire, etc)

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