alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Cobalt Strike Malleable C2 (Google Drive Profile)"; flow:established,to_server; urilen:14; http.method; content:"GET"; http.uri; content:"/viewerng/meta"; fast_pattern; http.cookie; content:"SID="; startswith; http.accept_enc; bsize:13; content:"gzip|2c 20|deflate"; http.accept; content:"text|2f|html|2c|application|2f|xml|3b 2a 2f 2a 3b|"; reference:url,github.com/rsmudge/Malleable-C2-Profiles/blob/master/normal/googledrive_getonly.profile; classtype:trojan-activity; sid:2055358; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_08_20, deployment Perimeter, deployment SSLDecrypt, malware_family Cobalt_Strike, confidence High, signature_severity Critical, updated_at 2024_08_20, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1001, mitre_technique_name Data_Obfuscation;)