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17 lines
404 B
YAML
17 lines
404 B
YAML
title: Suspicious DNS Query with B64 Encoded String
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status: experimental
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description: Detects suspicious DNS queries using base64 encoding
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references:
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- https://github.com/krmaxwell/dns-exfiltration
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author: Florian Roth
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date: 2018/05/10
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logsource:
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category: dns
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detection:
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selection:
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query:
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- '*==.*'
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condition: selection
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falsepositives:
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- Unknown
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level: medium |