alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET DELETED Zeus POST Request to CnC - content-type variation"; flow:established,to_server; content:"POST"; http_method; content:"|20|HTTP/1."; content:"|0d 0a|Accept|3a 20|*/*|0d 0a|Content-Type|3a 20|application/x-www-form-urlencoded"; distance:1; within:62; content:"|3a 20|no-cache|0d 0a|User-Agent|3a 20|Mozilla"; distance:0; content:"|0d 0a|Host|3a 20|"; distance:0; content:"Content-Length|3a 20|"; distance:0; content:!"0"; within:1; content:"|0d 0a 0d 0a|"; distance:0; content:!"Referer|3a 20|"; http_header; content:!"Accept-Language|3a 20|"; http_header; content:!"Host|3a 20|update.cooliris.com|0d 0a|"; http_header; classtype:command-and-control; sid:2014106; rev:3; metadata:created_at 2012_01_10, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)