Versions (3)
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Rev: 2 • May 17, 2021, 12:00 PMET MALWARE Cobalt Strike Malleable C2 Profile (btn_bg)
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Cobalt Strike Malleable C2 Profile (btn_bg)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/btn_bg"; http.request_body; content:"paper="; startswith; reference:url,twitter.com/Unit42_Intel/status/1387149833274810368; reference:url,github.com/pan-unit42/tweets/blob/master/2021-04-26-IcedID-with-Cobalt-Strike-IOCs.txt; classtype:command-and-control; sid:2032964; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_05_17, deployment Perimeter, malware_family Cobalt_Strike, confidence Medium, signature_severity Major, updated_at 2021_05_17, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1001, mitre_technique_name Data_Obfuscation;)
May 17, 2021, 12:00 PM
May 17, 2021, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 21, 2024, 3:00 AM
rules/emerging-malware.rules