alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE CoinVault CnC Beacon M2"; flow:established,to_server; http.method; content:"POST"; http.request_body; content:"eyJib3RpbmZvIjp7InVwbG9hZElkIjo"; http.header_names; content:!"User-Agent|0d 0a|"; content:!"Referer|0d 0a|"; content:!"Accept"; reference:md5,c7e34daa9e9160ce433a6cae74867711; reference:url,kernelmode.info/forum/viewtopic.php?f=16&t=3581; classtype:command-and-control; sid:2020908; rev:4; metadata:attack_target Client_Endpoint, created_at 2015_04_14, deployment Perimeter, signature_severity Major, tag c2, updated_at 2020_05_21, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)