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Rev: 2 • Mar 2, 2022, 12:00 PMET MALWARE Cobalt Strike Activity (POST)
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Cobalt Strike Activity (POST)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/jquery-3.3.2.min.js?__cfduid="; startswith; fast_pattern; http.user_agent; content:"Mozilla/5.0 (Windows NT 6.3|3b 20|Trident/7.0|3b 20|rv:11.0) like Gecko"; http.header; content:"Referer|3a 20|http|3a|//code.jquery.com/|0d 0a|"; reference:url,twitter.com/Unit42_Intel/status/1498802280992227330?s=20&t=iDY6vP8NF3muXpkS4ERenw; classtype:trojan-activity; sid:2035376; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_03_02, deployment Perimeter, malware_family Cobalt_Strike, confidence Medium, signature_severity Major, updated_at 2022_03_02, reviewed_at 2024_06_26, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1001, mitre_technique_name Data_Obfuscation;)
Mar 2, 2022, 12:00 PM
Mar 2, 2022, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 21, 2024, 3:00 AM
rules/emerging-malware.rules