GPL RPC tooltalk UDP overflow attempt

Query · suricata

content:"|00 01 86 F3|"; depth:4; offset:12;
content:"|00 00 00 07|"; within:4; distance:4;
byte_jump:4,4,relative,align;
byte_jump:4,4,relative,align;
byte_test:4,>,128,0,relative;
content:"|00 00 00 00|"; depth:4; offset:4;
Raw source GPL RPC tooltalk UDP 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 udp $EXTERNAL_NET any -> $HOME_NET any (
    msg:"GPL RPC tooltalk UDP overflow attempt";
    content:"|00 01 86 F3|"; depth:4; offset:12;
    content:"|00 00 00 07|"; within:4; distance:4;
    byte_jump:4,4,relative,align;
    byte_jump:4,4,relative,align;
    byte_test:4,>,128,0,relative;
    content:"|00 00 00 00|"; depth:4; offset:4;
    reference:bugtraq,122;
    reference:cve,1999-0003;
    classtype:misc-attack;
    sid:2101964; rev:9;
    metadata:created_at 2010_09_23, cve CVE_1999_0003, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

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