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Rev: 1 • Apr 19, 2023, 12:00 PMET HUNTING Gamaredon APT Style Request (GET)
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING Gamaredon APT Style Request (GET)"; flow:established,to_server; http.method; content:"GET"; http.uri; pcre:"/^\/[0-9]{2}\.[0-9]{2}\/[a-z]{2}\/[^\r\n]+\.[a-zA-Z]{4}$/"; http.host; pcre:"/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/"; http.header_names; content:!"Referer"; reference:md5,a92c520c99b0c626b43ba4b3bd754ccc; classtype:bad-unknown; sid:2045047; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_04_19, deployment Perimeter, deprecation_reason Performance, performance_impact Significant, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_19; target:src_ip;)
Apr 19, 2023, 12:00 PM
Apr 19, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
Aug 25, 2025, 9:35 PM
rules/emerging-hunting.rules