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Rev: 1 • Oct 6, 2022, 12:00 PMET HUNTING Suspicious Zipped Filename in Outbound POST Request (Histories Firefox.txt) M1
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING Suspicious Zipped Filename in Outbound POST Request (Histories Firefox.txt) M1"; flow:established,to_server; http.method; content:"POST"; http.request_body; content:"PK"; startswith; content:"Histories|5c|Firefox.txt"; fast_pattern; nocase; distance:0; reference:md5,8a5761a2d8a5730e5f6edaf558781897; classtype:trojan-activity; sid:2039109; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_10_06, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_10_06;)
Oct 6, 2022, 12:00 PM
Oct 6, 2022, 12:00 PM
Oct 6, 2022, 9:00 PM
Aug 29, 2025, 8:34 PM
rules/emerging-hunting.rules