Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE APT32 Win32/Ratsnif Requesting Command from CnC"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/cl_client_cmd.php"; depth:18; fast_pattern; endswith; reference:url,threatvector.cylance.com/en_us/home/threat-spotlight-ratsnif-new-network-vermin-from-oceanlotus.html; classtype:targeted-activity; sid:2027658; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, created_at 2019_07_02, deployment Perimeter, malware_family Ratsnif, performance_impact Low, confidence High, signature_severity Major, tag APT32, updated_at 2020_09_17;)