alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE TrueBot/Silence.Downlaoder Screenshot Post M2"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; endswith; http.content_type; content:"multipart|2f|form|2d|data|3b 20|boundary|3d 2d 2d 2d 2d|WebKitFormBoundaryYeg3e1XpGtiXfNZD"; bsize:68; fast_pattern; reference:md5,20643549f19bed9a6853810262622755; reference:url,tria.ge/221006-rxe8gshhep; classtype:trojan-activity; sid:2039121; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_10_07, deployment Perimeter, malware_family TrueBot, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_10_07;)