attach to policy can create a lot of noise. this search can be adjusted to provide specific values to identify cases of abuse (i.e status=failure). the search can provide context for common users attaching themselves to higher privilege policies or even newly created policies.

t1078
aws account
splunk

Techniques

T1078

Sample rules

aws detect attach to role policy

source: splunk
technicques:
- T1078

Description

This search provides detection of an user attaching itself to a different role trust policy. This can be used for lateral movement and escalation of privileges.

Detection logic

`aws_cloudwatchlogs_eks` attach policy
| spath requestParameters.policyArn 
| table sourceIPAddress user_access_key userIdentity.arn userIdentity.sessionContext.sessionIssuer.arn eventName errorCode errorMessage status action requestParameters.policyArn userIdentity.sessionContext.attributes.mfaAuthenticated userIdentity.sessionContext.attributes.creationDate  
| `aws_detect_attach_to_role_policy_filter`