2019-03-08 16:20:10 +01:00
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title: Bitsadmin to Uncommon TLD
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2019-11-12 23:12:27 +01:00
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id: 9eb68894-7476-4cd6-8752-23b51f5883a7
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2019-03-08 16:20:10 +01:00
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status: experimental
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2019-11-12 23:12:27 +01:00
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description: Detects Bitsadmin connections to domains with uncommon TLDs - https://twitter.com/jhencinski/status/1102695118455349248 - https://isc.sans.edu/forums/diary/Investigating+Microsoft+BITS+Activity/23281/
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2019-03-08 16:20:10 +01:00
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author: Florian Roth
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date: 2019/03/07
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logsource:
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category: proxy
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detection:
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selection:
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2019-12-07 00:11:33 +01:00
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c-useragent:
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2019-03-08 16:20:10 +01:00
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- 'Microsoft BITS/*'
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falsepositives:
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r-dns:
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- '*.com'
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- '*.net'
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- '*.org'
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condition: selection and not falsepositives
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fields:
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- ClientIP
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2019-12-07 00:11:33 +01:00
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- c-uri
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- c-useragent
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2019-03-08 16:20:10 +01:00
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falsepositives:
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- Rare programs that use Bitsadmin and update from regional TLDs e.g. .uk or .ca
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level: high
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