Threat report

www.microsoft.com/en-us/security/blog/2024/10/29/midnight-blizzard-conducts-large-scale-spear-phishing-campaign-using-rdp-files

https://www.microsoft.com/en-us/security/blog/2024/10/29/midnight-blizzard-conducts-large-scale-spear-phishing-campaign-using-rdp-files/

Published on: www.microsoft.com
Sources in this catalogue: 3

ATT&CK techniques those detections carry

T1566.001Spearphishing Attachment
T1021.001Remote Desktop Protocol
T1133External Remote Services
T1204User Execution
T1204.002Malicious File
T1566Phishing
T1598.002Spearphishing Attachment

Open the original

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
Remote Desktop File Opened from Suspicious Path	Medium	Elastic detection rules	Sep 20, 2026	Elastic License 2.0
Windows RDPClient Connection Sequence Events	Informational	Splunk security content	Aug 26, 2026	Apache License 2.0
Windows RDP File Execution	Medium	Splunk security content	Aug 26, 2026	Apache License 2.0
Suspicious File Created in Outlook Temporary Directory	High	SigmaHQ	Aug 26, 2026	Detection Rule License 1.1

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