AWSCloudTrail - Lambda function code updated

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Identifies IAM users updating Lambda function code via UpdateFunctionCode, which may indicate unauthorized code injection or persistence mechanism deployment.

Attribute	Value
Type	Hunting Query
Solution	Amazon Web Services
ID	2dd2143b-6667-4a7a-b04f-98d22caeffac
Severity	Medium
Tactics	Execution, Persistence
Techniques	T1204, T1059.004, T1053.007
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 "UpdateFunctionCode" EventSource == "lambda.amazonaws.com"	✓	✓	✓

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