GPL RPC CMSD TCP CMSD_INSERT buffer overflow attempt

alert tcp $EXTERNAL_NET any -> $HOME_NET any (
    msg:"GPL RPC CMSD TCP CMSD_INSERT buffer overflow attempt";
    flow:to_server,established;
    content:"|00 01 86 E4|"; depth:4; offset:16;
    content:"|00 00 00 06|"; within:4; distance:4;
    byte_jump:4,4,relative,align;
    byte_jump:4,4,relative,align;
    byte_jump:4,0,relative,align;
    byte_test:4,>,1000,28,relative;
    content:"|00 00 00 00|"; depth:4; offset:8;
    reference:bugtraq,524;
    reference:cve,1999-0696;
    reference:url,www.cert.org/advisories/CA-99-08-cmsd.html;
    classtype:misc-attack;
    sid:2101909; rev:13;
    metadata:created_at 2010_09_23, cve CVE_1999_0696, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)