[Snort-sigs] False positive for 2461

Matthew Jonkman matt at ...2436...
Thu Jul 1 11:37:06 EDT 2004


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Rule:
CHAT Yahoo IM webcam watch
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Sid:
2461
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Summary:
False positive. Audio chat messages incoming set this off. Remedying 
this may be as simple as renaming the rule to "CHAT Yahoo IM webcam or 
audio watch"
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Impact:
Audio messages are being deemed webcam connections.
-- 
Detailed Information:
A user that was participating in a text chat session that had audio 
messages being sent was triggering this rule.
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Affected Systems:

-- 
Attack Scenarios:

-- 
Ease of Attack:

-- 
False Positives:
Audio chat traffic will also trigger this rule.
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False Negatives:

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Corrective Action:
Rename rule, or look further into the protocol and see if traffic 
between these two operations is unique.
-- 
Contributors:

-- 
Additional References:
-- 
--------------------------------------------
Matthew Jonkman, CISSP
Senior Security Engineer
Infotex
765-429-0398 Direct Anytime
765-448-6847 Office
866-679-5177 24x7 NOC
my.infotex.com
www.offsitefilter.com
--------------------------------------------


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