alert http1 $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Pony Downloader HTTP Library MSIE 5 Win98"; flow:established,to_server; http.user_agent; content:"Mozilla/4.0|20|(compatible|3b 20|MSIE 5.0|3b 20|Windows 98)"; fast_pattern; http.accept_enc; content:"*|3b|q=0"; http.protocol; content:"HTTP/1.0"; http.header_names; content:"|0d 0a|Host|0d 0a|"; startswith; classtype:trojan-activity; sid:2014562; rev:7; metadata:created_at 2012_04_13, signature_severity Major, updated_at 2024_04_14;)