Possible DNS Tunneling or Data Exfiltration Activity (ASIM DNS Solution)

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Typical domain name lengths are short, whereas domain name queries used for data exfiltration or tunneling can often be very large in size. The hunting query looks for DNS queries that are more than 150 characters long.

Attribute Value
Type Hunting Query
Solution DNS Essentials
ID 74e8773c-dfa9-45ca-bb60-5d767303e5b3
Tactics CommandAndControl, Exfiltration
Techniques T1568, T1008, T1048
Source View on GitHub

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