alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Spy.Agent.QAQ Variant CnC Activity"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/gate.php"; endswith; fast_pattern; http.header; content:"|0d 0a|Content-Length|3a 20|95|0d 0a|"; http.header_names; content:!"User-Agent"; content:!"Accept"; content:!"Pragma"; content:!"Referer"; reference:md5,a3c4951687b39e58550309dbbf2e5c85; reference:md5,1c1d7bf3ad926f3cdf0befbc5205a1fe; classtype:trojan-activity; sid:2031233; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_11_24, deployment Perimeter, malware_family Win32_Spy_Agent_QAQ, confidence High, signature_severity Major, updated_at 2020_11_24;)