alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Zloader Related Download Activity (GET)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/processingSetRequest"; fast_pattern; content:"/?servername="; distance:3; http.user_agent; content:"powershell"; nocase; http.header_names; content:!"Referer"; reference:md5,06ca129910fd79de8bdc7a319949fb25; reference:url,medium.com/walmartglobaltech/signed-dll-campaigns-as-a-service-7760ac676489; classtype:trojan-activity; sid:2034892; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_01_11, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_01_11, reviewed_at 2023_08_22;)