Rule History

alert tcp any any -> any any (msg:"ET MALWARE US-CERT TA14-353A Listening Implant 12"; flow:established; content:"|0c 1f 1f 1f 4f 50 4c 4b 3f 57 4b 4b 4f 3f 4d 5a 4e 4a 5a 4c 4b 20|"; reference:url,www.us-cert.gov/ncas/alerts/TA14-353A; classtype:trojan-activity; sid:2020006; rev:1; metadata:created_at 2014_12_23, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)