alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE BePush/Kilim payload retrieval"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/app.exe"; fast_pattern; pcre:"/\/app\.exe$/"; http.user_agent; content:"Wget"; depth:4; http.header_names; content:!"Accept-"; content:!"Referer|0d 0a|"; reference:url,seclists.org/fulldisclosure/2015/Jan/131; reference:md5,cdcc132fad2e819e7ab94e5e564e8968; classtype:trojan-activity; sid:2020350; rev:6; metadata:created_at 2015_02_03, signature_severity Major, updated_at 2020_09_30;)