ET MALWARE Skeleton Key Filename in SMB Traffic (Unicode)

7.0.35.0SID: 2020178Rev: 4Enabled5 views
Sourceet/open
Fileemerging-malware.rules
CreatedJanuary 13, 2015
UpdatedMarch 6, 2024
Classificationtrojan-activity
alert tcp $HOME_NET any -> $HOME_NET [139,445] (msg:"ET MALWARE Skeleton Key Filename in SMB Traffic (Unicode)"; flow:established,to_server; content:"|FF|SMB|a2|"; offset:4; depth:5; byte_test:1,&,0x80,6,relative; content:"|5c 00|o|00|l|00|e|00|.|00|d|00|l|00|l"; reference:url,www.secureworks.com/cyber-threat-intelligence/threats/skeleton-key-malware-analysis; classtype:trojan-activity; sid:2020178; rev:4; metadata:created_at 2015_01_13, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_06;)

References

urlwww.secureworks.com/cyber-threat-intelligence/threats/skeleton-key-malware-analysis

Metadata

created at2015_01_13
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_03_06

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