{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Sid": "DescribeAndListPermissions",
      "Effect": "Allow",
      "Action": [
        "ec2:DescribeInstances",
        "ec2:DescribeVolumes",
        "ec2:DescribeSnapshots",
        "ecs:ListClusters",
        "ecs:ListContainerInstances",
        "ecs:ListTasks",
        "ecs:DescribeTasks",
        "eks:DescribeCluster"
      ],
      "Resource": "*"
    },
    {
      "Sid": "CreateSnapshotVolumeConditionalStatement",
      "Effect": "Allow",
      "Action": "ec2:CreateSnapshot",
      "Resource": "arn:aws:ec2:*:*:volume/*",
      "Condition": {
        "Null": {
          "aws:ResourceTag/GuardDutyExcluded": "true"
        }
      }
    },
    {
      "Sid": "CreateSnapshotConditionalStatement",
      "Effect": "Allow",
      "Action": "ec2:CreateSnapshot",
      "Resource": "arn:aws:ec2:*:*:snapshot/*",
      "Condition": {
        "ForAnyValue:StringEquals": {
          "aws:TagKeys": "GuardDutyScanId"
        }
      }
    },
    {
      "Sid": "CreateTagsPermission",
      "Effect": "Allow",
      "Action": "ec2:CreateTags",
      "Resource": "arn:aws:ec2:*:*:*/*",
      "Condition": {
        "StringEquals": {
          "ec2:CreateAction": "CreateSnapshot"
        }
      }
    },
    {
      "Sid": "AddTagsToSnapshotPermission",
      "Effect": "Allow",
      "Action": "ec2:CreateTags",
      "Resource": "arn:aws:ec2:*:*:snapshot/*",
      "Condition": {
        "StringLike": {
          "ec2:ResourceTag/GuardDutyScanId": "*"
        },
        "ForAllValues:StringEquals": {
          "aws:TagKeys": [
            "GuardDutyExcluded",
            "GuardDutyFindingDetected"
          ]
        }
      }
    },
    {
      "Sid": "DeleteAndShareSnapshotPermission",
      "Effect": "Allow",
      "Action": [
        "ec2:DeleteSnapshot",
        "ec2:ModifySnapshotAttribute"
      ],
      "Resource": "arn:aws:ec2:*:*:snapshot/*",
      "Condition": {
        "StringLike": {
          "ec2:ResourceTag/GuardDutyScanId": "*"
        },
        "Null": {
          "aws:ResourceTag/GuardDutyExcluded": "true"
        }
      }
    },
    {
      "Sid": "PreventPublicAccessToSnapshotPermission",
      "Effect": "Deny",
      "Action": [
        "ec2:ModifySnapshotAttribute"
      ],
      "Resource": "arn:aws:ec2:*:*:snapshot/*",
      "Condition": {
        "StringEquals": {
          "ec2:Add/group": "all"
        }
      }
    },
    {
      "Sid": "CreateGrantPermission",
      "Effect": "Allow",
      "Action": "kms:CreateGrant",
      "Resource": "arn:aws:kms:*:*:key/*",
      "Condition": {
        "Null": {
          "aws:ResourceTag/GuardDutyExcluded": "true"
        },
        "StringLike": {
          "kms:EncryptionContext:aws:ebs:id": "snap-*"
        },
        "ForAllValues:StringEquals": {
          "kms:GrantOperations": [
            "Decrypt",
            "CreateGrant",
            "GenerateDataKeyWithoutPlaintext",
            "ReEncryptFrom",
            "ReEncryptTo",
            "RetireGrant",
            "DescribeKey"
          ]
        },
        "Bool": {
          "kms:GrantIsForAWSResource": "true"
        }
      }
    },
    {
      "Sid": "ShareSnapshotKMSPermission",
      "Effect": "Allow",
      "Action": [
        "kms:ReEncryptTo",
        "kms:ReEncryptFrom"
      ],
      "Resource": "arn:aws:kms:*:*:key/*",
      "Condition": {
        "StringLike": {
          "kms:ViaService": "ec2.*.amazonaws.com"
        },
        "Null": {
          "aws:ResourceTag/GuardDutyExcluded": "true"
        }
      }
    },
    {
      "Sid": "DescribeKeyPermission",
      "Effect": "Allow",
      "Action": "kms:DescribeKey",
      "Resource": "arn:aws:kms:*:*:key/*"
    },
    {
      "Sid": "GuardDutyLogGroupPermission",
      "Effect": "Allow",
      "Action": [
        "logs:DescribeLogGroups",
        "logs:CreateLogGroup",
        "logs:PutRetentionPolicy"
      ],
      "Resource": "arn:aws:logs:*:*:log-group:/aws/guardduty/*"
    },
    {
      "Sid": "GuardDutyLogStreamPermission",
      "Effect": "Allow",
      "Action": [
        "logs:CreateLogStream",
        "logs:PutLogEvents",
        "logs:DescribeLogStreams"
      ],
      "Resource": "arn:aws:logs:*:*:log-group:/aws/guardduty/*:log-stream:*"
    },
    {
      "Sid": "EBSDirectAPIPermissions",
      "Effect": "Allow",
      "Action": [
        "ebs:GetSnapshotBlock",
        "ebs:ListSnapshotBlocks"
      ],
      "Resource": "arn:aws:ec2:*:*:snapshot/*",
      "Condition": {
        "StringLike": {
          "aws:ResourceTag/GuardDutyScanId": "*"
        },
        "Null": {
          "aws:ResourceTag/GuardDutyExcluded": "true"
        }
      }
    }
  ]
}