alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE W32/Ferret DDOS Bot CnC Beacon 2"; flow:established,to_server; http.method; content:"POST"; http.user_agent; content:"Mozilla|20|"; fast_pattern; startswith; http.request_body; content:"m"; depth:1; pcre:"/^(?:ode)?=(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})&h(?:wid)?=/R"; reference:md5,f582667d5ce743436fb24771eb22a0e8; reference:url,www.arbornetworks.com/asert/2013/12/a-business-of-ferrets/; classtype:command-and-control; sid:2017917; rev:7; metadata:attack_target Client_Endpoint, created_at 2014_01_03, deployment Perimeter, signature_severity Major, tag c2, updated_at 2024_03_10, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)