Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE SecurityDefender exe Download Likely FakeAV Install"; flow:established,from_server; content:"|0D 0A|Content-Disposition|3a| attachment|3B| filename=|22|"; content:"SecurityDefender"; nocase; within:24; content:".exe"; within:24; classtype:trojan-activity; sid:2013826; rev:3; metadata:created_at 2011_11_05, confidence Medium, signature_severity Major, updated_at 2019_07_26;)