Basic documentation for SIDs 1:10065 thru 1:10077 for the 'Storm Trojan' (
Trojan.Peacomm) that is of news lately.
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Rule: SPECIFIC-THREATS Trojan Peacomm smtp propagation detection"
(1:10065) (thru sid 1:10077)
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Sid: 1:10065 (thru 1:10077)
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Summary: An executable attachment received via e-mail that, once executed by
the user, compromises the users pc by installing
a root kit and a udp communication channel for distribution of SPAM.
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Impact: High
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Detailed Information: An executable attachment received via e-mail that,
once executed by the user, compromizes the users pc by installing
a root kit and a udp communication channel for distribution of SPAM. Users
are lured into opening the attachment by describing
it as a video news story related to current news events. The subject/body of
the e-mail varies.
Once compromized, the pc will start sending high volumes (2000-3000
msgs/min) of mail traffic. The backdoor udp communication channel typically
uses udp/4000 and udp/7871 to communicate with a botnet.
Known as Storm Trojan, Trojan.Peacom (Symantec)
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Affected Systems: Microsoft Windows Operating Systems
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Attack Scenarios:
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Ease of Attack: Simple, the user runs an attachment sent to them by e-mail.
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False Positives: none known
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False Negatives: none known
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Corrective Action: Patch Operating System and AntiVirus program. Drop .exe
attachments inbound/outbound. Educate users.
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Contributors: David Morris, CISSP icurnet@gmail.com
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Additional References: http://www.symantec.com/outbreak/storm_trojan.html
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