alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET POLICY QQ Browser WUP Request - qbkpireportbakf.stat"; flow:established,to_server; http.method; content:"POST"; http.request_body; content:"|3c|LV|0e|qbkpireportbakf|04|stat|7d 00|"; fast_pattern; content:"|05|crypt|18 00|"; distance:0; content:"|01 06 0a|list|3c|char|3e|"; distance:0; threshold:type limit, track by_src, count 1, seconds 60; reference:url,citizenlab.ca/2016/03/privacy-security-issues-qq-browser/; classtype:policy-violation; sid:2029633; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_03_13, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2020_03_13;)