AWS web ACL deletion

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	AWS Audit Log
Detection Modules	Cloud
ATT&CK Tactic	Defense Impairment (TA0112)
ATT&CK Technique	Disable or Modify Tools (T1685)
Severity	Informational

Description

Web ACL defines a collection of rules to use to inspect and control web requests. A Web ACL has been deleted.

Attacker's Goals

To impair defense, this may assist data exfiltration.

Investigative actions

• Verify if the identity intended to delete the Web ACL.
• Check what resources are affected by the Web ACL deletion.

Variations

Successful AWS web ACL deletion by a non-admin identity

Synopsis

Field	Value
ATT&CK Tactic	Defense Impairment (TA0112)
ATT&CK Technique	Disable or Modify Tools (T1685)
Severity	Low

Description

Web ACL defines a collection of rules to use to inspect and control web requests. A Web ACL has been deleted.

Attacker's Goals

To impair defense, this may assist data exfiltration.

Investigative actions

• Verify if the identity intended to delete the Web ACL.
• Check what resources are affected by the Web ACL deletion.