sigmahighHunting

Unsigned Binary Loaded From Suspicious Location

Detects Code Integrity (CI) engine blocking processes from loading unsigned DLLs residing in suspicious locations

MITRE ATT&CK

privilege-escalationpersistencedefense-evasion

Detection Query

selection:
  EventID:
    - 11
    - 12
  ImageName|contains:
    - \Users\Public\
    - \PerfLogs\
    - \Desktop\
    - \Downloads\
    - \AppData\Local\Temp\
    - C:\Windows\TEMP\
condition: selection

Author

Nasreddine Bencherchali (Nextron Systems)

Created

2022-08-03

Data Sources

windowssecurity-mitigations

Platforms

windows

References

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

Tags

attack.privilege-escalationattack.persistenceattack.defense-evasionattack.t1574.001

Raw Content

title: Unsigned Binary Loaded From Suspicious Location
id: 8289bf8c-4aca-4f5a-9db3-dc3d7afe5c10
status: test
description: Detects Code Integrity (CI) engine blocking processes from loading unsigned DLLs residing in suspicious locations
references:
    - 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
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-08-03
modified: 2022-09-28
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.defense-evasion
    - attack.t1574.001
logsource:
    product: windows
    service: security-mitigations
detection:
    selection:
        EventID:
            - 11
            - 12
        ImageName|contains:
            - '\Users\Public\'
            - '\PerfLogs\'
            - '\Desktop\'
            - '\Downloads\'
            - '\AppData\Local\Temp\'
            - 'C:\Windows\TEMP\'
    condition: selection
falsepositives:
    - Unknown
level: high