alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET DELETED Unknown Dropper Checkin (2)"; flow:established,to_server; content:"POST / HTTP/1.1|0d 0a|"; depth:17; content:!"|0d 0a|User-Agent|3a| "; nocase; content:"|0d 0a 0d 0a|updater_version="; nocase; content:"&updater_lang="; distance:0; nocase; content:"&action_type=log"; distance:0; nocase; classtype:trojan-activity; sid:2010830; rev:5; metadata:created_at 2010_07_30, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)