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Unusual File Extension
Description
Triggered when a user accesses a new file type or extension. This is based on a user's previous history and/or peer group activity.
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Use Case
Advanced Threat Detection, Security Monitoring
Category
Malware
Alert Volume
Medium
(?)SPL Difficulty
None
Journey
Stage 3
MITRE ATT&CK Tactics
Impact
Initial Access
MITRE ATT&CK Techniques
Data Encrypted for Impact
Spearphishing Attachment
MITRE Threat Groups
APT38
APT41
TA505
Data Sources
Endpoint Detection and Response