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Rev: 2 • Jan 13, 2015, 12:00 PMET MALWARE Skeleton Key Filename in SMB Traffic (ASCII)
alert tcp $HOME_NET any -> $HOME_NET [139,445] (msg:"ET MALWARE Skeleton Key Filename in SMB Traffic (ASCII)"; flow:to_server,established; content:"|FF|SMB|a2|"; offset:4; depth:5; byte_test:1,!&,0x80,6,relative; content:"|5c|ole64.dll"; reference:url,www.secureworks.com/cyber-threat-intelligence/threats/skeleton-key-malware-analysis; classtype:trojan-activity; sid:2020174; rev:2; metadata:created_at 2015_01_13, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)
Jan 13, 2015, 12:00 PM
Jul 26, 2019, 12:00 PM
Jan 13, 2015, 12:00 PM
Oct 13, 2025, 9:34 PM
rules/emerging-malware.rules