alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Suspected Ares Loader Activity (GET)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/panel/upload/"; startswith; content:".cmp"; endswith; fast_pattern; http.header_names; content:"|0d 0a|Host|0d 0a|Cache-Control|0d 0a 0d 0a|"; bsize:25; reference:md5,b3cdb7135bf99a921376870898b22155; reference:url,www.zscaler.com/blogs/security-research/ares-malware-grandson-kronos-banking-trojan; classtype:trojan-activity; sid:2032950; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_05_12, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_05_12;)