alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN APT32 Win32/Ratsnif CnC? Checkin"; flow:established,to_server; content:"POST"; http_method; content:"/cl_client_online.php"; http_uri; depth:21; isdataat:!1,relative; content:"Q29tcHV0ZXJOYW1lPV"; http_client_body; depth:18; fast_pattern; pcre:"/^(?:[A-Z0-9+/]{4})*(?:[A-Z0-9+/]{2}==|[A-Z0-9+/]{3}=|[A-Z0-9+/]{4})$/Pi"; metadata: former_category TROJAN; reference:url,threatvector.cylance.com/en_us/home/threat-spotlight-ratsnif-new-network-vermin-from-oceanlotus.html; reference:md5,516ad28f8fa161f086be7ca122351edf; classtype:trojan-activity; sid:2027659; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, deployment Perimeter, tag APT32, signature_severity Major, created_at 2019_07_02, malware_family Ratsnif, performance_impact Low, updated_at 2019_07_02;)

Added 2019-07-02 18:17:57 UTC


Topic revision: r1 - 2019-07-02 - TWikiGuest
 
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