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Rev: 1 • Sep 2, 2021, 12:00 PMET HUNTING Suspicious Zipped Filename in Outbound POST Request (Chrome_Default.txt)
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING Suspicious Zipped Filename in Outbound POST Request (Chrome_Default.txt)"; flow:established,to_server; http.method; content:"POST"; http.request_body; content:"PK|03 04|"; content:"Chrome_Default.txt"; nocase; distance:0; fast_pattern; classtype:bad-unknown; sid:2033886; rev:1; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2021_09_02, deployment Perimeter, confidence Medium, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_09_02;)
Sep 2, 2021, 12:00 PM
Sep 2, 2021, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 8, 2025, 9:34 PM
rules/emerging-hunting.rules