alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Fruspam polling for IP likely infected";
flow:established,to_server;
http.method;
content:"GET"; nocase;
http.uri;
content:"/automation/n09230945.asp"; fast_pattern;
http.user_agent;
content:"Mozilla/5.0 (X11|3b 20|U|3b 20|Linux i686|3b 20|en-US|3b 20|rv|3a|1.9.0.4) Ubuntu/8.04 (hardy) Firefox/3.0.0"; depth:85; endswith;
reference:url,community.ca.com/blogs/securityadvisor/archive/2009/03/26/in-the-wild-win32-fruspam-using-american-greetings.aspx;
classtype:trojan-activity;
sid:2011072; rev:7;
metadata:created_at 2010_07_30, signature_severity Major, updated_at 2020_10_14;
)