mirror of
https://github.com/valitydev/SigmaHQ.git
synced 2024-11-06 17:35:19 +00:00
33 lines
953 B
YAML
33 lines
953 B
YAML
title: Bitsadmin to Uncommon TLD
|
|
id: 9eb68894-7476-4cd6-8752-23b51f5883a7
|
|
status: experimental
|
|
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/
|
|
author: Florian Roth
|
|
date: 2019/03/07
|
|
modified: 2021/08/09
|
|
logsource:
|
|
category: proxy
|
|
detection:
|
|
selection:
|
|
c-useragent|startswith: 'Microsoft BITS/'
|
|
falsepositives:
|
|
r-dns|endswith:
|
|
- '.com'
|
|
- '.net'
|
|
- '.org'
|
|
condition: selection and not falsepositives
|
|
fields:
|
|
- ClientIP
|
|
- c-uri
|
|
- c-useragent
|
|
falsepositives:
|
|
- Rare programs that use Bitsadmin and update from regional TLDs e.g. .uk or .ca
|
|
level: high
|
|
tags:
|
|
- attack.command_and_control
|
|
- attack.t1071.001
|
|
- attack.defense_evasion
|
|
- attack.persistence
|
|
- attack.t1197
|
|
- attack.s0190
|