IAM PassRole RQL with Conditionals

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IAM PassRole RQL with Conditionals

L0 Member

Hello!  I'm attempting to write some RQL to detect policies with the following permissions and struggling a bit.

 

Action: "iam:PassRole"

Effect: "Allow"

Resource: "*"

 

Now, in general this isn't too bad to figure out.  The RQL below accomplishes this nicely, BUT doesn't have any concept of if a Condition statement is present.  I care a bit less about a PassRole permission for an IAM policy that is scoped to the IAM service.

config from cloud.resource where api.name = 'aws-iam-get-policy-version' AND json.rule = document.Statement[?(@.Action=='iam:PassRole' && @.Effect=='Allow')].Resource equals "*"

 This is where I'm struggling, to get the above search to consider if a Condition statement exists and ignore the finding if a Condition exists.  I've tried a number of things, all which seem to pass the initial Investigate validator but break when actually run.
To be more clear I don't want the following policy to trigger this

"Action": "iam:PassRole",
"Effect": "Allow",
"Resource": "*",
"Condition": {
  "StringEquals": {
    "iam:PassedToService": "transfer.amazonaws.com"
  }
}



config from cloud.resource where api.name = 'aws-iam-get-policy-version' AND json.rule = "document.Statement[?(@.Action=='iam:PassRole' && @.Effect=='Allow' && @.Resource=='*' && @.Condition !exists)]" 
config from cloud.resource where api.name = 'aws-iam-get-policy-version' AND json.rule = "document.Statement[?(@.Action=='iam:PassRole' && @.Effect=='Allow' && @.Condition !exists)].Resource equals *" 

I think I'm just missing how to consider a potential Condition in the RQL, any thoughts?

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