144.txt

This is the snapshot of Snot Latest Rules

Rule:

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Sid:
144

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Summary:
This event is generated when an FTP login by user "w0rm" was attempted. This is an account used by the ADMw0rm-v1 worm.

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Impact:
Infected systems are left with a backdoor user account named "w0rm" and an email with the victims ip address is emailed to the worms creators.

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Detailed Information:
This worm exploits a vulnerability in BIND version 4.9.6 and is linux specific. These attempts mean the box has probably already been compromised.

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Affected Systems:
Default installations of RedHat 4.0 to 5.2

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Attack Scenarios:
Standard Internet worm.

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Ease of Attack:
Simple.

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False Positives:
None Known

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False Negatives:
None Known

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Corrective Action:
Upgrade BIND on vulnerable servers.

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Contributors:
Original Rule Writer Unknown
Sourcefire Vulnerability Research Team
Nigel Houghton <[e-mail]>
Snort documentation contributed by Josh Sakofsky

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Additional References:

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