Versions (3)
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Rev: 2 • Jan 8, 2019, 12:00 PMET MALWARE Operation Cobra Venom WSF Stage 2 - CnC Checkin
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Operation Cobra Venom WSF Stage 2 - CnC Checkin"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/tmp/Cobra_"; fast_pattern; content:!"&"; content:!"."; http.header_names; content:!"Referer"; reference:url,blog.alyac.co.kr/2066; classtype:command-and-control; sid:2026766; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_01_08, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Operation_Cobra_Venom, updated_at 2020_08_27;)
Jan 8, 2019, 12:00 PM
Aug 27, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-malware.rules