Threat report

www.microsoft.com/en-us/security/blog/2022/07/26/malicious-iis-extensions-quietly-open-persistent-backdoors-into-servers

https://www.microsoft.com/en-us/security/blog/2022/07/26/malicious-iis-extensions-quietly-open-persistent-backdoors-into-servers/

Published on: www.microsoft.com
Sources in this catalogue: 2

ATT&CK techniques those detections carry

T1505.004IIS Components
T1685.001Disable or Modify Windows Event Log

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4 published detections cite this

Citing it, not covering it: each of these was written with this as evidence, and carries the source it came from and the licence it was published under.

Detections citing this reference
Detection	Severity	Source	Published	Licence
Windows Server Software Component GACUtil Install to GAC	Medium	Splunk security content	Aug 26, 2026	Apache License 2.0
Windows PowerShell Add Module to Global Assembly Cache	Medium	Splunk security content	Aug 26, 2026	Apache License 2.0
Previously Installed IIS Module Was Removed	Low	SigmaHQ	Aug 26, 2026	Detection Rule License 1.1
New Module Module Added To IIS Server	Medium	SigmaHQ	Aug 26, 2026	Detection Rule License 1.1

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