GPL RPC CMSD TCP CMSD_CREATE buffer overflow attempt

Query · suricata

flow:to_server,established;
content:"|00 01 86 E4|"; depth:4; offset:16;
content:"|00 00 00 15|"; within:4; distance:4;
byte_jump:4,4,relative,align;
byte_jump:4,4,relative,align;
byte_test:4,>,1024,0,relative;
content:"|00 00 00 00|"; depth:4; offset:8;
Raw source GPL RPC CMSD TCP CMSD_CREATE buffer overflow attempt · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $EXTERNAL_NET any -> $HOME_NET any (
    msg:"GPL RPC CMSD TCP CMSD_CREATE buffer overflow attempt";
    flow:to_server,established;
    content:"|00 01 86 E4|"; depth:4; offset:16;
    content:"|00 00 00 15|"; within:4; distance:4;
    byte_jump:4,4,relative,align;
    byte_jump:4,4,relative,align;
    byte_test:4,>,1024,0,relative;
    content:"|00 00 00 00|"; depth:4; offset:8;
    reference:bugtraq,524;
    reference:cve,1999-0696;
    classtype:attempted-admin;
    sid:2101908; rev:10;
    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;
)

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