ET MALWARE Koobface C&C availability check successful

7.0.35.0SID: 2010152Rev: 6Disabled1 views
Sourceet/open
Fileemerging-malware.rules
CreatedJuly 30, 2010
UpdatedMarch 15, 2024
Classificationcommand-and-control
alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET MALWARE Koobface C&C availability check successful"; flow:established,to_client; flowbits:isset,ET.koobfacecheck; content:"|0d 0a 0d 0a|ACH_OK"; nocase; reference:url,us.trendmicro.com/imperia/md/content/us/trendwatch/researchandanalysis/the_20heart_20of_20koobface_final_1_.pdf; classtype:command-and-control; sid:2010152; rev:6; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_15;)

References

urlus.trendmicro.com/imperia/md/content/us/trendwatch/researchandanalysis/the_20heart_20of_20koobface_final_1_.pdf

Metadata

created at2010_07_30
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_03_15

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