alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Rimecud download"; flow:established,to_server; http.uri; content:"/peca"; nocase; content:".exe"; endswith; nocase; pcre:"/\x2fpeca\d+\x2eexe$/i"; http.user_agent; content:"SKOLOVANI"; startswith; nocase; fast_pattern; reference:url,www.microsoft.com/security/portal/threat/encyclopedia/Entry.aspx?Name=Trojan%3aWin32/Rimecud.A; classtype:trojan-activity; sid:2012828; rev:3; metadata:created_at 2011_05_20, malware_family Win32_Rimecud, signature_severity Major, updated_at 2024_02_06;)