alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Powershell Octopus Backdoor Activity (GET)"; flow:established,to_server; http.request_line; content:"GET /bills HTTP/1.1"; fast_pattern; http.header_names; content:!"Referer"; content:"|0d 0a|App-Logic|0d 0a|Authorization|0d 0a|Session|0d 0a|"; reference:url,app.any.run/tasks/0c991e38-b571-435c-a34b-281b2c9df1ef/; classtype:trojan-activity; sid:2034940; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_01_19, deployment Perimeter, malware_family LazyScripter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_09_28;)