Powershell MsXml COM Object
Adversaries may abuse PowerShell commands and scripts for execution. PowerShell is a powerful interactive command-line interface and scripting environment included in the Windows operating system. (Citation: TechNet PowerShell) Adversaries can use PowerShell to perform a number of actions, including discovery of information and execution of code
Sigma rule (View on GitHub)
1title: Powershell MsXml COM Object
2id: 78aa1347-1517-4454-9982-b338d6df8343
3status: test
4description: |
5 Adversaries may abuse PowerShell commands and scripts for execution.
6 PowerShell is a powerful interactive command-line interface and scripting environment included in the Windows operating system. (Citation: TechNet PowerShell)
7 Adversaries can use PowerShell to perform a number of actions, including discovery of information and execution of code
8references:
9 - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1059.001/T1059.001.md#atomic-test-7---powershell-msxml-com-object---with-prompt
10 - https://learn.microsoft.com/en-us/previous-versions/windows/desktop/ms766431(v=vs.85)
11 - https://www.trendmicro.com/en_id/research/22/e/uncovering-a-kingminer-botnet-attack-using-trend-micro-managed-x.html
12author: frack113, MatilJ
13date: 2022-01-19
14modified: 2022-05-19
15tags:
16 - attack.execution
17 - attack.t1059.001
18logsource:
19 product: windows
20 category: ps_script
21 definition: 'Requirements: Script Block Logging must be enabled'
22detection:
23 selection:
24 ScriptBlockText|contains|all:
25 - 'New-Object'
26 - '-ComObject'
27 - 'MsXml2.'
28 - 'XmlHttp'
29 condition: selection
30falsepositives:
31 - Legitimate administrative script
32level: medium
References
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