Restricted Software Access By SRP

calendar Oct 23, 2025 · attack.lateral-movement attack.execution attack.defense-evasion attack.t1072  ·
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Detects restricted access to applications by the Software Restriction Policies (SRP) policy

Sigma rule (View on GitHub)

 1title: Restricted Software Access By SRP
 2id: b4c8da4a-1c12-46b0-8a2b-0a8521d03442
 3status: test
 4description: Detects restricted access to applications by the Software Restriction Policies (SRP) policy
 5references:
 6    - https://learn.microsoft.com/en-us/windows-server/identity/software-restriction-policies/software-restriction-policies
 7    - https://github.com/nasbench/EVTX-ETW-Resources/blob/7a806a148b3d9d381193d4a80356016e6e8b1ee8/ETWEventsList/CSV/Windows11/22H2/W11_22H2_Pro_20220920_22621.382/Providers/Microsoft-Windows-AppXDeployment-Server.csv
 8author: frack113
 9date: 2023-01-12
10tags:
11    - attack.lateral-movement
12    - attack.execution
13    - attack.defense-evasion
14    - attack.t1072
15logsource:
16    product: windows
17    service: application
18detection:
19    selection:
20        Provider_Name: 'Microsoft-Windows-SoftwareRestrictionPolicies'
21        EventID:
22            - 865 # Access to %1 has been restricted by your Administrator by the default software restriction policy level
23            - 866 # Access to %1 has been restricted by your Administrator by location with policy rule %2 placed on path %3.
24            - 867 # Access to %1 has been restricted by your Administrator by software publisher policy.
25            - 868 # Access to %1 has been restricted by your Administrator by policy rule %2.
26            - 882 # Access to %1 has been restricted by your Administrator by policy rule %2.
27    condition: selection
28falsepositives:
29    - Unknown
30level: high

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