alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Fake Anti-Hacking Tool"; flow:established,to_server; http.uri; content:"/update/WinUpdater.exe"; fast_pattern; http.header_names; to_lowercase; content:!"|0d 0a|user-agent|0d 0a|"; reference:md5,93443e59c473b89b5afad940a843982a; reference:url,eff.org/deeplinks/2012/08/syrian-malware-post; classtype:trojan-activity; sid:2015748; rev:5; metadata:created_at 2012_09_28, signature_severity Major, updated_at 2024_04_27;)