alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Samsung Galaxy Knox Android Browser RCE smdm attempt"; flow:to_client,established; file_data; content:"smdm|3a|//"; nocase; distance:0; reference:url,blog.quarkslab.com/abusing-samsung-knox-to-remotely-install-a-malicious-application-story-of-a-half-patched-vulnerability.html; reference:url,cxsecurity.com/issue/WLB-2014110124; classtype:web-application-activity; sid:2019750; rev:4; metadata:affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2014_11_19, deployment Perimeter, confidence Medium, signature_severity Major, tag Web_Client_Attacks, updated_at 2019_07_26;)