alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE OSX/Shlayer Malicious Download Request"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/d1833/"; depth:7; fast_pattern; content:"/?software="; distance:0; content:"&title="; content:"&clickid="; reference:url,www.carbonblack.com/2019/02/12/tau-threat-intelligence-notification-new-macos-malware-variant-of-shlayer-osx-discovered/; classtype:trojan-activity; sid:2026986; rev:3; metadata:affected_product Mac_OSX, attack_target Client_Endpoint, created_at 2019_02_27, deployment Perimeter, malware_family Shlayer, performance_impact Low, confidence High, signature_severity Major, updated_at 2020_08_27;)