Unsigned Binary Loaded From Suspicious Location

 1title: Unsigned Binary Loaded From Suspicious Location
 2id: 8289bf8c-4aca-4f5a-9db3-dc3d7afe5c10
 3status: test
 4description: Detects Code Integrity (CI) engine blocking processes from loading unsigned DLLs residing in suspicious locations
 5references:
 6    - https://github.com/nasbench/EVTX-ETW-Resources/blob/45fd5be71a51aa518b1b36d4e1f36af498084e27/ETWEventsList/CSV/Windows11/21H2/W11_21H2_Pro_20220719_22000.795/Providers/Microsoft-Windows-Security-Mitigations.csv
 7author: Nasreddine Bencherchali (Nextron Systems)
 8date: 2022-08-03
 9modified: 2022-09-28
10tags:
11    - attack.privilege-escalation
12    - attack.persistence
13    - attack.execution
14    - attack.stealth
15    - attack.t1574.001
16logsource:
17    product: windows
18    service: security-mitigations
19detection:
20    selection:
21        EventID:
22            - 11
23            - 12
24        ImageName|contains:
25            - '\Users\Public\'
26            - '\PerfLogs\'
27            - '\Desktop\'
28            - '\Downloads\'
29            - '\AppData\Local\Temp\'
30            - 'C:\Windows\TEMP\'
31    condition: selection
32falsepositives:
33    - Unknown
34level: high