HighSigmaHQ Nasreddine Bencherchali (Nextron Systems)

Rundll32 UNC Path Execution

Detects rundll32 execution where the DLL is located on a remote location (share). Threat actors can abuse the rundll32.exe binary to execute remote DLLs from a UNC pathh.

Detection logic

Detection requirements

Platform: Windows
The rule states no platform. This is derived from the 2 ATT&CK techniques it maps to.
Log source product: windows
Log source category: process_creation

Known benign triggers

Unlikely

References

Links the source published beside this detection. Reference is the link the source wrote, unmodified. Class is decided by this catalogue from the host and path, not stated by the source. Cited by counts published detections citing the same resource, including this one, and the sources beneath it count the repositories this catalogue ingests, which is not the same as independent research.
Reference	Class	Cited by
www.cybereason.com/blog/rundll32-the-infamous-proxy-for-executing-malicious-code	Unclassified	Only this detection cites it
www.microsoft.com/en-us/security/blog/2026/07/16/acr-stealer-two-observed-intrusion-chains-amid-increased-threat-activity/	Threat report	Only this detection cites it

Detection rules

Rundll32 UNC Path Execution

Detection logic

Detection requirements

Known benign triggers

MITRE ATT&CK mappings

References

From the source

Licence

Authorship

Detection rules