Exploiting SetupComplete.cmd CVE-2019-1378

calendar Oct 23, 2025 · attack.persistence attack.defense-evasion attack.privilege-escalation attack.t1068 attack.execution attack.t1059.003 attack.t1574 cve.2019-1378 detection.emerging-threats  ·
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Detects exploitation attempt of privilege escalation vulnerability via SetupComplete.cmd and PartnerSetupComplete.cmd described in CVE-2019-1378

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 1title: Exploiting SetupComplete.cmd CVE-2019-1378
 2id: 1c373b6d-76ce-4553-997d-8c1da9a6b5f5
 3status: test
 4description: Detects exploitation attempt of privilege escalation vulnerability via SetupComplete.cmd and PartnerSetupComplete.cmd described in CVE-2019-1378
 5references:
 6    - https://web.archive.org/web/20200530031708/https://www.embercybersecurity.com/blog/cve-2019-1378-exploiting-an-access-control-privilege-escalation-vulnerability-in-windows-10-update-assistant-wua
 7author: Florian Roth (Nextron Systems), oscd.community, Jonhnathan Ribeiro
 8date: 2019-11-15
 9modified: 2021-11-27
10tags:
11    - attack.persistence
12    - attack.defense-evasion
13    - attack.privilege-escalation
14    - attack.t1068
15    - attack.execution
16    - attack.t1059.003
17    - attack.t1574
18    - cve.2019-1378
19    - detection.emerging-threats
20logsource:
21    category: process_creation
22    product: windows
23detection:
24    selection:
25        ParentCommandLine|contains|all:
26            - '\cmd.exe'
27            - '/c'
28            - 'C:\Windows\Setup\Scripts\'
29        ParentCommandLine|endswith:
30            - 'SetupComplete.cmd'
31            - 'PartnerSetupComplete.cmd'
32    filter:
33        Image|startswith:
34            - 'C:\Windows\System32\'
35            - 'C:\Windows\SysWOW64\'
36            - 'C:\Windows\WinSxS\'
37            - 'C:\Windows\Setup\'
38    condition: selection and not filter
39falsepositives:
40    - Unknown
41level: high

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