ET MALWARE URI Struct Observed in Pawn Storm CVE-2015-2950

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE URI Struct Observed in Pawn Storm CVE-2015-2950";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/?p2=";
    content:"&recr="; distance:0; fast_pattern;
    content:"&p3="; distance:0;
    content:"&as="; distance:0;
    content:"&c="; distance:0;
    reference:url,blog.trendmicro.com/trendlabs-security-intelligence/an-in-depth-look-at-how-pawn-storms-java-zero-day-was-used/;
    classtype:trojan-activity;
    sid:2021560; rev:3;
    metadata:created_at 2015_07_31, cve CVE_2015_2950, signature_severity Major, updated_at 2020_05_29;
)