alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE BadSpace/WarmCookie CnC Activity (GET) M2"; flow:established,to_server; http.method; content:"GET"; http.uri; bsize:1; content:"|2f|"; http.user_agent; bsize:79; content:"Mozilla|2f|5.0|20 28|Windows NT 6.1|3b 20|Win64|3b 20|x64|3b 20|rv|3a|109.0|29 20|Gecko|2f|20100101 Firefox|2f|115.0"; fast_pattern; http.cookie; bsize:>100; pcre:"/^(?:[A-Za-z0-9\x2b\x2f\x3d]){100,}$/"; reference:md5,20274d8185a2c83ee2d05ddb4ca6fe66; classtype:trojan-activity; sid:2056103; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_09_24, deployment Perimeter, deployment SSLDecrypt, malware_family WARMCOOKIE, performance_impact Low, confidence High, signature_severity Major, tag c2, updated_at 2024_09_24, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol; target:src_ip;)