Potential Dropper Script Execution Via WScript/CScript

calendar Dec 1, 2024 · attack.execution attack.t1059.005 attack.t1059.007  ·
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Detects wscript/cscript executions of scripts located in user directories

Sigma rule (View on GitHub)

 1title: Potential Dropper Script Execution Via WScript/CScript
 2id: cea72823-df4d-4567-950c-0b579eaf0846
 3related:
 4    - id: 1e33157c-53b1-41ad-bbcc-780b80b58288
 5      type: similar
 6status: test
 7description: Detects wscript/cscript executions of scripts located in user directories
 8references:
 9    - https://thedfirreport.com/2023/10/30/netsupport-intrusion-results-in-domain-compromise/
10    - https://redcanary.com/blog/gootloader/
11author: Margaritis Dimitrios (idea), Florian Roth (Nextron Systems), oscd.community, Nasreddine Bencherchali (Nextron Systems)
12date: 2019-01-16
13modified: 2024-01-30
14tags:
15    - attack.execution
16    - attack.t1059.005
17    - attack.t1059.007
18logsource:
19    category: process_creation
20    product: windows
21detection:
22    selection_exec:
23        Image|endswith:
24            - '\wscript.exe'
25            - '\cscript.exe'
26    selection_paths:
27        CommandLine|contains:
28            - ':\Temp\'
29            - ':\Tmp\'
30            - ':\Users\Public\'
31            - ':\Windows\Temp\'
32            - '\AppData\Local\Temp\'
33    selection_ext:
34        CommandLine|contains:
35            - '.js'
36            - '.jse'
37            - '.vba'
38            - '.vbe'
39            - '.vbs'
40            - '.wsf'
41    condition: all of selection_*
42falsepositives:
43    - Some installers might generate a similar behavior. An initial baseline is required
44level: medium

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