ESXi Syslog Configuration Change Via ESXCLI

Detects changes to the ESXi syslog configuration via "esxcli"

Sigma rule (View on GitHub)

 1title: ESXi Syslog Configuration Change Via ESXCLI
 2id: 38eb1dbb-011f-40b1-a126-cf03a0210563
 3status: test
 4description: Detects changes to the ESXi syslog configuration via "esxcli"
 5references:
 6    - https://support.solarwinds.com/SuccessCenter/s/article/Configure-ESXi-Syslog-to-LEM?language=en_US
 7    - https://developer.broadcom.com/xapis/esxcli-command-reference/7.0.0/namespace/esxcli_system.html
 8author: Cedric Maurugeon
 9date: 2023-09-04
10tags:
11    - attack.defense-evasion
12    - attack.execution
13    - attack.t1562.001
14    - attack.t1562.003
15    - attack.t1059.012
16logsource:
17    category: process_creation
18    product: linux
19detection:
20    selection:
21        Image|endswith: '/esxcli'
22        CommandLine|contains|all:
23            - 'system'
24            - 'syslog'
25            - 'config'
26        CommandLine|contains: ' set'
27    condition: selection
28falsepositives:
29    - Legitimate administrative activities
30level: medium

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