New Network ACL Entry Added

Detects that network ACL entries have been added to a route table which could indicate that new attack vectors have been opened up in the AWS account.

Detection logic

Detection requirements

Platform: IaaS
The rule states no platform. This is derived from the ATT&CK technique it maps to.
Log source product: aws
Log source service: cloudtrail

Known benign triggers

Legitimate use of ACLs to enable customer and staff access from the public internet into a public VPC

References

Links the source published beside this detection. Reference is the link the source wrote, unmodified. Class is decided by this catalogue from the host and path, not stated by the source. Cited by counts published detections citing the same resource, including this one, and the sources beneath it count the repositories this catalogue ingests, which is not the same as independent research.
Reference	Class	Cited by
www.gorillastack.com/blog/real-time-events/important-aws-cloudtrail-security-events-tracking/	Unclassified	5

Detection rules

New Network ACL Entry Added

Detection logic

Detection requirements

Known benign triggers

MITRE ATT&CK mappings

References

From the source

Licence

Authorship

Detection rules