Detectionmediumtest
DLL Load By System Process From Suspicious Locations
Detects when a system process (i.e. located in system32, syswow64, etc.) loads a DLL from a suspicious location or a location with permissive permissions such as "C:\Users\Public"
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Launch
Nasreddine Bencherchali (Nextron Systems)Created Sun Jul 17Updated Mon Sep 189e9a9002-56c4-40fd-9eff-e4b09bfa5f6cwindows
Log Source
WindowsImage Load (DLL)
ProductWindows← raw: windows
CategoryImage Load (DLL)← raw: image_load
Detection Logic
Detection Logic1 selector
detection:
selection:
Image|startswith: 'C:\Windows\'
ImageLoaded|startswith:
# TODO: Add more suspicious paths as you see fit in your env
- 'C:\Users\Public\'
- 'C:\PerfLogs\'
condition: selectionFalse Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
References
MITRE ATT&CK
Tactics
Techniques
Rule Metadata
Rule ID
9e9a9002-56c4-40fd-9eff-e4b09bfa5f6c
Status
test
Level
medium
Type
Detection
Created
Sun Jul 17
Modified
Mon Sep 18
Path
rules/windows/image_load/image_load_susp_dll_load_system_process.yml
Raw Tags
attack.defense-evasionattack.t1070