Sigma rule: Unsigned Binary Loaded From Suspicious Location

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-5e627f29d1cd, updated 2022-09-28T00:00:00.000Z.

Rule

Title: Unsigned Binary Loaded From Suspicious Location
Status: test
Level: high
Author: Nasreddine Bencherchali (Nextron Systems)
Date: 2022-08-03
Modified: 2022-09-28
File: rules/windows/builtin/security_mitigations/win_security_mitigations_unsigned_dll_from_susp_location.yml
Commit: ccbb0369507f796db0b0ae6854c8a2be471b9d84

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

Log source

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

False positives (as the rule lists them)

Unknown

MITRE ATT&CK ids this rule names

T1574.001

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

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/builtin/security_mitigations/win_security_mitigations_unsigned_dll_from_susp_location.yml

Sources and licences

SigmaHQ
"Unsigned Binary Loaded From Suspicious Location" by Nasreddine Bencherchali (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/builtin/security_mitigations/win_security_mitigations_unsigned_dll_from_susp_location.yml.
Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License
Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: Unsigned Binary Loaded From Suspicious Location",
entity page, dataset version ref-5e627f29d1cd, updated 2022-09-28T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/8289bf8c-4aca-4f5a-9db3-dc3d7afe5c10 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 8289bf8c-4aca-4f5a-9db3-dc3d7afe5c10, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.