alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Possible Pony Payload DL"; flow:established,to_server; http.uri; content:"/inst.exe"; fast_pattern; endswith; http.host; content:!"360safe.com"; endswith; content:!"qhcdn.com"; endswith; http.header_names; content:!"Referer|0d 0a|"; content:!"Cookie|0d 0a|"; content:!"Accept-"; content:"User-Agent|0d 0a|"; content:"Accept|0d 0a|"; reference:md5,62e7a146079f99ded1a6b8f2db08ad18; classtype:trojan-activity; sid:2023740; rev:6; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2017_01_13, deployment Perimeter, malware_family Pony, confidence Medium, signature_severity Major, updated_at 2020_11_04;)