alert http1 $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE DonotGroup Maldoc Activity (GET)"; flow:established,to_server; urilen:>40; http.method; content:"GET"; http.uri; content:!"|2e|"; http.uri.raw; content:"|2f 2f|"; offset:20; http.user_agent; content:!"|3b|"; content:"|20|"; http.header_names; bsize:37; content:"|0d 0a|User-Agent|0d 0a|Host|0d 0a|Cache-Control|0d 0a 0d 0a|"; fast_pattern; reference:md5,bb2d300a7ddd51eafca52d794e2af510; reference:url,twitter.com/StopMalvertisin/status/1656583924880146433; classtype:trojan-activity; sid:2045773; rev:3; metadata:attack_target Client_Endpoint, created_at 2023_05_19, deployment Perimeter, deployment SSLDecrypt, performance_impact Significant, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_03; target:src_ip;)