GPL RPC portmap rusers request TCP

Query · suricata

flow:to_server,established;
content:"|00 01 86 A0|"; depth:4; offset:16;
content:"|00 00 00 03|"; within:4; distance:4;
byte_jump:4,4,relative,align;
byte_jump:4,4,relative,align;
content:"|00 01 86 A2|"; within:4;
content:"|00 00 00 00|"; depth:4; offset:8;
Raw source GPL RPC portmap rusers request TCP · 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 111 (
    msg:"GPL RPC portmap rusers request TCP";
    flow:to_server,established;
    content:"|00 01 86 A0|"; depth:4; offset:16;
    content:"|00 00 00 03|"; within:4; distance:4;
    byte_jump:4,4,relative,align;
    byte_jump:4,4,relative,align;
    content:"|00 01 86 A2|"; within:4;
    content:"|00 00 00 00|"; depth:4; offset:8;
    reference:arachnids,133;
    reference:cve,1999-0626;
    classtype:rpc-portmap-decode;
    sid:2101271; rev:15;
    metadata:created_at 2010_09_23, cve CVE_1999_0626, signature_severity Informational, updated_at 2019_07_26;
)

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