alert http $EXTERNAL_NET any -> $HOME_NET any (
msg:"ET ACTIVEX Possible Symantec AppStream LaunchObj ActiveX Control Arbitrary File Download and Execute";
flow:to_client,established;
content:"CLSID"; nocase;
content:"3356DB7C-58A7-11D4-AA5C-006097314BF8"; nocase; distance:0;
content:"installAppMgr"; nocase; distance:0;
reference:url,packetstormsecurity.org/files/82969/Symantec-AppStream-LaunchObj-ActiveX-Control-Arbitrary-File-Download-and-Execute..html;
classtype:attempted-user;
sid:2015537; rev:2;
metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2012_07_27, deployment Perimeter, confidence Medium, signature_severity Major, tag ActiveX, updated_at 2019_07_26;
)