GPL NETBIOS SMB nddeapi unicode bind attempt


Query · suricata

flow:established,to_server;
flowbits:isset,smb.tree.create.nddeapi;
content:"|00|"; depth:1;
content:"|FF|SMB%"; within:5; distance:3;
byte_test:1,&,128,6,relative;
content:"&|00|"; within:2; distance:56;
content:"|5C 00|P|00|I|00|P|00|E|00 5C 00 00 00|"; distance:4; nocase;
byte_jump:2,-10,relative,from_beginning;
content:"|05|"; distance:4; within:1;
content:"|0B|"; within:1; distance:1;
content:" 2_/&|C1|v|10 B5|I|07|M|07 86 19 DA|"; within:16; distance:29;
flowbits:set,smb.tree.bind.nddeapi;

Rule dependencies

Higher-order rule. It fires on other rules' alerts, not on raw events, so it cannot fire on its own. Deploy the rules it depends on too.

Depends on

Feeds into

  • 16 rules read smb.tree.bind.nddeapi · view all
Raw source GPL NETBIOS SMB nddeapi unicode bind 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 139 (
    msg:"GPL NETBIOS SMB nddeapi unicode bind attempt";
    flow:established,to_server;
    flowbits:isset,smb.tree.create.nddeapi;
    content:"|00|"; depth:1;
    content:"|FF|SMB%"; within:5; distance:3;
    byte_test:1,&,128,6,relative;
    content:"&|00|"; within:2; distance:56;
    content:"|5C 00|P|00|I|00|P|00|E|00 5C 00 00 00|"; distance:4; nocase;
    byte_jump:2,-10,relative,from_beginning;
    content:"|05|"; distance:4; within:1;
    content:"|0B|"; within:1; distance:1;
    content:" 2_/&|C1|v|10 B5|I|07|M|07 86 19 DA|"; within:16; distance:29;
    flowbits:set,smb.tree.bind.nddeapi;
    reference:bugtraq,11372;
    reference:cve,2004-0206;
    classtype:protocol-command-decode;
    sid:2102933; rev:6;
    metadata:created_at 2010_09_23, cve CVE_2004_0206, signature_severity Informational, updated_at 2019_07_26;
)

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