route53.go

package aws

import (
	"context"
	"fmt"
	"os"
	"path/filepath"
	"strconv"

	"github.com/BishopFox/cloudfox/internal"
	"github.com/aws/aws-sdk-go-v2/aws"
	"github.com/aws/aws-sdk-go-v2/service/route53"
	"github.com/aws/aws-sdk-go-v2/service/sts"
	"github.com/sirupsen/logrus"
)

type Route53Module struct {
	// General configuration data
	Route53Client *route53.Client

	Caller         sts.GetCallerIdentityOutput
	AWSRegions     []string
	OutputFormat   string
	Goroutines     int
	AWSProfile     string
	WrapTable      bool
	CommandCounter internal.CommandCounter

	// Main module data
	Records []Record
	// Used to store output data for pretty printing
	output internal.OutputData2

	modLog *logrus.Entry
}

type Record struct {
	AWSService  string
	Name        string
	Type        string
	Value       string
	PrivateZone string
}

func (m *Route53Module) PrintRoute53(outputFormat string, outputDirectory string, verbosity int) {

	// These stuct values are used by the output module
	m.output.Verbosity = verbosity
	m.output.Directory = outputDirectory
	m.output.CallingModule = "route53"
	m.modLog = internal.TxtLog.WithFields(logrus.Fields{
		"module": m.output.CallingModule,
	})
	if m.AWSProfile == "" {
		m.AWSProfile = internal.BuildAWSPath(m.Caller)
	}

	fmt.Printf("[%s][%s] Enumerating Route53 for account %s.\n", cyan(m.output.CallingModule), cyan(m.AWSProfile), aws.ToString(m.Caller.Account))

	m.getRoute53Records()

	m.output.Headers = []string{
		"Service",
		"Name",
		"Type",
		"Value",
		"PrivateZone",
	}

	// Table rows
	for i := range m.Records {
		m.output.Body = append(
			m.output.Body,
			[]string{
				m.Records[i].AWSService,
				m.Records[i].Name,
				m.Records[i].Type,
				m.Records[i].Value,
				m.Records[i].PrivateZone,
			},
		)

	}
	if len(m.output.Body) > 0 {

		m.output.FilePath = filepath.Join(outputDirectory, "cloudfox-output", "aws", m.AWSProfile)
		//m.output.OutputSelector(outputFormat)
		//utils.OutputSelector(verbosity, outputFormat, m.output.Headers, m.output.Body, m.output.FilePath, m.output.CallingModule, m.output.CallingModule)
		internal.OutputSelector(verbosity, outputFormat, m.output.Headers, m.output.Body, m.output.FilePath, m.output.CallingModule, m.output.CallingModule, m.WrapTable, m.AWSProfile)
		m.writeLoot(m.output.FilePath, verbosity)
		fmt.Printf("[%s][%s] %s DNS records found.\n", cyan(m.output.CallingModule), cyan(m.AWSProfile), strconv.Itoa(len(m.output.Body)))

	} else {
		fmt.Printf("[%s][%s] No DNS records found, skipping the creation of an output file.\n", cyan(m.output.CallingModule), cyan(m.AWSProfile))
	}
	fmt.Printf("[%s][%s] For context and next steps: https://github.com/BishopFox/cloudfox/wiki/AWS-Commands#%s\n", cyan(m.output.CallingModule), cyan(m.AWSProfile), m.output.CallingModule)
}

func (m *Route53Module) writeLoot(outputDirectory string, verbosity int) {
	path := filepath.Join(outputDirectory, "loot")
	err := os.MkdirAll(path, os.ModePerm)
	if err != nil {
		m.modLog.Error(err.Error())
		m.CommandCounter.Error++
		panic(err.Error())
	}
	route53ARecordsPublicZonesFileName := filepath.Join(path, "route53-A-records-public-Zones.txt")
	route53ARecordsPrivateZonesFileName := filepath.Join(path, "route53-A-records-private-Zones.txt")

	var route53APrivateRecords string
	var route53APublicRecords string

	for _, record := range m.Records {
		if record.Type == "A" || record.Type == "AAAA" {
			if record.PrivateZone == "True" {
				route53APrivateRecords = route53APrivateRecords + fmt.Sprintln(record.Name)
			} else {
				route53APublicRecords = route53APublicRecords + fmt.Sprintln(record.Name)
			}

		}
	}
	err = os.WriteFile(route53ARecordsPublicZonesFileName, []byte(route53APublicRecords), 0644)
	if err != nil {
		m.modLog.Error(err.Error())
		m.CommandCounter.Error++
		panic(err.Error())
	}

	if verbosity > 2 {
		if len(route53APublicRecords) > 0 {
			fmt.Println()
			fmt.Printf("[%s][%s] %s \n", cyan(m.output.CallingModule), cyan(m.AWSProfile), green("Feed these public zone A records into nmap and something like gowitness or aquatone."))
			fmt.Print(route53APublicRecords)
			fmt.Printf("[%s][%s] %s \n", cyan(m.output.CallingModule), cyan(m.AWSProfile), green("End of loot file."))
		}
	}

	fmt.Printf("[%s][%s] Loot written to [%s]\n", cyan(m.output.CallingModule), cyan(m.AWSProfile), route53ARecordsPublicZonesFileName)

	err = os.WriteFile(route53ARecordsPrivateZonesFileName, []byte(route53APrivateRecords), 0644)
	if err != nil {
		m.modLog.Error(err.Error())
		m.CommandCounter.Error++
		panic(err.Error())
	}

	if verbosity > 2 {
		if len(route53APrivateRecords) > 0 {
			fmt.Println()
			fmt.Printf("[%s][%s] %s \n", cyan(m.output.CallingModule), cyan(m.AWSProfile), green("Feed these private zone A records into nmap and something like gowitness or aquatone."))
			fmt.Print(route53APrivateRecords)
			fmt.Printf("[%s][%s] %s \n", cyan(m.output.CallingModule), cyan(m.AWSProfile), green("End of loot file."))
		}
	}

	fmt.Printf("[%s][%s] Loot written to [%s]\n", cyan(m.output.CallingModule), cyan(m.AWSProfile), route53ARecordsPrivateZonesFileName)

}

func (m *Route53Module) getRoute53Records() {
	// "PaginationMarker" is a control variable used for output continuity, as AWS return the output in pages.
	var PaginationControl *string
	var recordName string
	var recordType string

	for {
		ListHostedZones, err := m.Route53Client.ListHostedZones(
			context.TODO(),
			&route53.ListHostedZonesInput{
				Marker: PaginationControl,
			},
		)

		if err != nil {
			m.modLog.Error(err.Error())
			m.CommandCounter.Error++
			break
		}

		var privateZone string
		for _, zone := range ListHostedZones.HostedZones {
			id := aws.ToString(zone.Id)
			if zone.Config.PrivateZone {
				privateZone = "True"
			} else {
				privateZone = "False"
			}

			ListResourceRecordSets, err := m.Route53Client.ListResourceRecordSets(
				context.TODO(),
				&route53.ListResourceRecordSetsInput{
					HostedZoneId: &id,
				},
			)
			if err != nil {
				m.modLog.Error(err.Error())
				m.CommandCounter.Error++
				break
			}
			for _, record := range ListResourceRecordSets.ResourceRecordSets {
				recordName = aws.ToString(record.Name)
				recordType = string(record.Type)

				for _, resourceRecord := range record.ResourceRecords {
					recordValue := resourceRecord.Value
					m.Records = append(
						m.Records,
						Record{
							AWSService:  "Route53",
							Name:        recordName,
							Type:        recordType,
							Value:       aws.ToString(recordValue),
							PrivateZone: privateZone,
						})

				}
			}

		}

		// The "NextToken" value is nil when there's no more data to return.
		if ListHostedZones.NextMarker != nil {
			PaginationControl = ListHostedZones.NextMarker
		} else {
			PaginationControl = nil
			break
		}
	}
}