alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Emotet CnC Beacon"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; endswith; http.request_body; content:"<email_accounts_list>"; fast_pattern; http.header_names; content:!"User-Agent|0d 0a|"; content:!"Accept"; content:!"Referer|0d 0a|"; reference:md5,e24831e3f808116b30d85731c545e3ee; classtype:command-and-control; sid:2019704; rev:4; metadata:attack_target Client_Endpoint, created_at 2014_11_12, deployment Perimeter, signature_severity Major, tag c2, updated_at 2020_09_28, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)