ET INFO Suspected Impacket WMIExec Activity

Query · suricata

flow:established,to_server;
content:"|3e 00 20 00 5c 00 5c 00 31 00 32 00 37 00 2e 00 30 00 2e 00 30 00 2e 00 31 00 5c 00 41 00 44 00 4d 00 49 00 4e 00 24 00 5c 00 5f 00 5f 00|"; fast_pattern;
Raw source ET INFO Suspected Impacket WMIExec Activity · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert dcerpc $HOME_NET any -> $HOME_NET any (
    msg:"ET INFO Suspected Impacket WMIExec Activity";
    flow:established,to_server;
    content:"|3e 00 20 00 5c 00 5c 00 31 00 32 00 37 00 2e 00 30 00 2e 00 30 00 2e 00 31 00 5c 00 41 00 44 00 4d 00 49 00 4e 00 24 00 5c 00 5f 00 5f 00|"; fast_pattern;
    reference:url,thedfirreport.com/2023/01/09/unwrapping-ursnifs-gifts;
    reference:url,github.com/fortra/impacket/blob/8799a1a2c42ad74423841d21ed5f4193ea54f3d5/examples/wmiexec.py;
    classtype:bad-unknown;
    sid:2043996; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2023_01_26, deployment Internal, confidence Low, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_01_26;
)

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