Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Filename server.exe Download - Common Hostile Filename"; flow:established,to_client; http.header; content:"filename="; content:"server.exe"; nocase; within:11; fast_pattern; pcre:"/^Content-Disposition\x3a attachment\x3b filename=[\x27\x22]server\.exe[\x22\x27]\r\n/mi"; classtype:trojan-activity; sid:2020201; rev:3; metadata:created_at 2015_01_16, signature_severity Major, updated_at 2020_05_14;)