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Operation Neusploit: APT28 Uses CVE-2026-21509 | ThreatLabz

C45-2026-02-03-8

Indicators of Compromise (IOC) List

Indicator of Compromise (IOC)
Date Published
IOC Type
CVE-2026-21509
03/02/2026
CVE
u003eahmeclaw2002@outlook.com
03/02/2026
Email_ID
HKCU\\Software\\Microsoft\\Office\\16.0\\Outlook\\Security\u003c
03/02/2026
Win_Registry
u003eahmeclaw@proton.me
03/02/2026
Email_ID
sudeep.singh@zscaler.com
03/02/2026
Email_ID
HKCU\Software\Microsoft\Office\16.0\Outlook\SecurityLevel1Enables all macros in Microsoft Outlook.Software\Microsoft\Office\16.0\Outlook\Options\
03/02/2026
Win_Registry
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