alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP DownloadAssistant Activity"; flow:established,to_server; http.start; content:"POST /v2/events HTTP/1.0|0d 0a|Connection|3a 20|keep-alive|0d 0a|Content-Length|3a 20|"; fast_pattern; http.request_body; content:"4F44"; startswith; reference:md5,d6d20eef805a4719f0771321f832bbed; classtype:pup-activity; sid:2030934; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_09_30, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_30;)