AWSCloudTrail - Lambda layer imported from external account

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Identifies Lambda layer imports from external AWS accounts, which may indicate backdoor injection for code execution during function invocation.

Attribute	Value
Type	Hunting Query
Solution	Amazon Web Services
ID	77d0aadc-aaea-4346-b61a-bf7ac6b71bba
Severity	Medium
Tactics	Persistence, DefenseEvasion
Techniques	T1525, T1578.005
Required Connectors	AWS
Source	View on GitHub

Tables Used

This content item queries data from the following tables:

Table	Selection Criteria	Transformations	Ingestion API	Lake-Only
AWSCloudTrail	EventName startswith "CreateFunction" EventName startswith "UpdateFunctionConfiguration"	✓	✓	✓

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