ET NETBIOS Tree Connect AndX Request IPC$ Unicode

Query · suricata

flow:established,to_server;
content:"|00|"; depth:1;
content:"|FF|SMBu"; within:5; distance:3;
content:"| 00 5c 00 69 00 70 00 63 00 24 00 00 00|"; nocase;
flowbits:set,smb.tree.connect.ipc;
flowbits:noalert;

Rule dependencies

Feeds into

  • 24 rules read smb.tree.connect.ipc · view all
Raw source ET NETBIOS Tree Connect AndX Request IPC$ Unicode · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
#alert tcp any any -> any [139,445] (
#    msg:"ET NETBIOS Tree Connect AndX Request IPC$ Unicode";
#    flow:established,to_server;
#    content:"|00|"; depth:1;
#    content:"|FF|SMBu"; within:5; distance:3;
#    content:"| 00 5c 00 69 00 70 00 63 00 24 00 00 00|"; nocase;
#    flowbits:set,smb.tree.connect.ipc;
#    flowbits:noalert;
#    reference:cve,2006-4691;
#    classtype:protocol-command-decode;
#    sid:2025090; rev:2;
#    metadata:created_at 2016_06_14, signature_severity Minor, updated_at 2020_08_20;
#)

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