alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET RETIRED Win32/TrojanDownloader.VB.RTN Payload Delivery Request"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/0x/?0="; fast_pattern; startswith; http.header_names; content:!"Referer"; content:!"User-Agent"; reference:md5,72fe7aaf98c8321334a2347901e10559; reference:url,blog.talosintelligence.com/2022/08/modernloader-delivers-multiple-stealers.html; classtype:trojan-activity; sid:2038808; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_09_12, deployment Perimeter, former_category MALWARE, malware_family TrojanDownloader_VB_RTN, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_17, reviewed_at 2024_09_17;)