[INS-312] Duo API Secret Key Detector (#4771)

* created duo detector

* added docs reference

---------

Co-authored-by: Amaan Ullah <[email protected]>

main.go

@@ -562,6 +562,7 @@ func run(state overseer.State, logSync func() error) {
 	feature.HashiCorpVaultTokenDetectorEnabled.Store(true)
 	feature.CloudflareApiTokenV2DetectorEnabled.Store(true)
 	feature.CloudflareGlobalApiKeyV2DetectorEnabled.Store(true)
+	feature.DuoDetectorEnabled.Store(true)
 
 	conf := &config.Config{}
 	if *configFilename != "" {

pkg/detectors/duo/duo.go

@@ -0,0 +1,221 @@
+package duo
+
+import (
+	"context"
+	"crypto/hmac"
+	"crypto/sha1"
+	"encoding/base64"
+	"encoding/hex"
+	"fmt"
+	"io"
+	"net/http"
+	"strings"
+	"time"
+
+	regexp "github.com/wasilibs/go-re2"
+
+	"github.com/trufflesecurity/trufflehog/v3/pkg/common"
+	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors"
+	"github.com/trufflesecurity/trufflehog/v3/pkg/pb/detector_typepb"
+)
+
+type Scanner struct {
+	client *http.Client
+	detectors.DefaultMultiPartCredentialProvider
+}
+
+// Ensure the Scanner satisfies the interface at compile time.
+var _ detectors.Detector = (*Scanner)(nil)
+
+var (
+	defaultClient = common.SaneHttpClient()
+
+	// Integration key is of 20 characters with only capital alphabets and digits.
+	integrationKeyPat = regexp.MustCompile(detectors.PrefixRegex([]string{"duo"}) + `\b(DI[A-Z0-9]{18})\b`)
+
+	// Secret key is of 40 characters with only alphabets and digits.
+	secretKeyPat = regexp.MustCompile(detectors.PrefixRegex([]string{"duo"}) + `\b([A-Za-z0-9]{40})\b`)
+
+	// Host is usually a subdomain of duosecurity.com e.g api-21321awda.duosecurity.com
+	apiHost = regexp.MustCompile(`\b([a-z0-9-]{6,}\.duosecurity\.com)\b`)
+)
+
+// Keywords are used for efficiently pre-filtering chunks.
+// Use identifiers in the secret preferably, or the provider name.
+func (s Scanner) Keywords() []string {
+	return []string{"duosecurity"}
+}
+
+func (s Scanner) getClient() *http.Client {
+	if s.client != nil {
+		return s.client
+	}
+	return defaultClient
+}
+
+// FromData will find and optionally verify DeepSeek secrets in a given set of bytes.
+func (s Scanner) FromData(ctx context.Context, verify bool, data []byte) (results []detectors.Result, err error) {
+	dataStr := string(data)
+
+	uniqueHosts := make(map[string]struct{})
+	uniqueIntKeys := make(map[string]struct{})
+	uniqueSecretKeys := make(map[string]struct{})
+	for _, match := range apiHost.FindAllStringSubmatch(dataStr, -1) {
+		uniqueHosts[match[1]] = struct{}{}
+	}
+	for _, match := range integrationKeyPat.FindAllStringSubmatch(dataStr, -1) {
+		uniqueIntKeys[match[1]] = struct{}{}
+	}
+	for _, match := range secretKeyPat.FindAllStringSubmatch(dataStr, -1) {
+		uniqueSecretKeys[match[1]] = struct{}{}
+	}
+	for host := range uniqueHosts {
+		for apiKey := range uniqueIntKeys {
+			for apiSecret := range uniqueSecretKeys {
+				s1 := detectors.Result{
+					DetectorType: detector_typepb.DetectorType_Duo,
+					Raw:          []byte(apiKey),
+					RawV2:        []byte(fmt.Sprintf("%s:%s:%s", host, apiKey, apiSecret)),
+					ExtraData: map[string]string{
+						"application": "Admin API",
+					},
+					SecretParts: map[string]string{
+						"host":        host,
+						"ikey":        apiKey,
+						"skey":        apiSecret,
+						"application": "Admin API",
+					},
+				}
+				if verify {
+					verified, verificationErr := VerifyAdminToken(ctx, s.getClient(), host, apiKey, apiSecret)
+					// we will try auth api verification if admin api verification fails without error,
+					// which is in the case of it returning 401 unauthorized due to invalid credentials.
+					if !verified && verificationErr == nil {
+						var authStatusCode int
+						verified, authStatusCode, verificationErr = VerifyAuthToken(ctx, s.getClient(), host, apiKey, apiSecret)
+						// The Auth API responds 403 (not 401) when ikey/skey are
+						// structurally valid Admin API keys, active or not. That still
+						// counts as verified, but the keys remain Admin API keys, so
+						// only relabel to Auth API when the check actually succeeded (200).
+						if authStatusCode != http.StatusForbidden {
+							s1.ExtraData["application"] = "Auth API"
+							s1.SecretParts["application"] = "Auth API"
+						}
+					}
+					s1.SetVerificationError(verificationErr, host, apiKey, apiSecret)
+					s1.Verified = verified
+				}
+				results = append(results, s1)
+			}
+		}
+	}
+	return results, nil
+}
+
+// returns verified=true if credentials are valid and belong to auth api, false if creds are invalid, and error if creds belong to auth api or for anything else (e.g., network error).
+// The HTTP status code is also returned so callers can distinguish a genuine 200 from a
+// 403, which the Auth API returns for structurally valid Admin API keys (active or not).
+func VerifyAuthToken(
+	ctx context.Context,
+	client *http.Client,
+	host, ikey, skey string,
+) (bool, int, error) {
+	// Docs: https://duo.com/docs/authapi#check
+	return verifyDuoRequest(
+		ctx,
+		client,
+		host,
+		ikey,
+		skey,
+		"/auth/v2/check",
+	)
+}
+
+// returns 401 unauthorized if credentials are invalid, 200 OK if valid, and error for anything else
+func VerifyAdminToken(
+	ctx context.Context,
+	client *http.Client,
+	host, ikey, skey string,
+) (bool, error) {
+	// Docs: https://duo.com/docs/adminapi#account-info
+	verified, _, err := verifyDuoRequest(
+		ctx,
+		client,
+		host,
+		ikey,
+		skey,
+		"/admin/v1/info/summary",
+	)
+	return verified, err
+}
+
+func verifyDuoRequest(
+	ctx context.Context,
+	client *http.Client,
+	host, ikey, skey string,
+	path string,
+) (bool, int, error) {
+
+	timestamp := time.Now().UTC().Format(http.TimeFormat)
+
+	// Canonical request string
+	canonical := strings.Join([]string{
+		timestamp,
+		http.MethodGet,
+		host,
+		path,
+		"",
+	}, "\n")
+
+	// HMAC signature
+	mac := hmac.New(sha1.New, []byte(skey))
+	_, _ = mac.Write([]byte(canonical))
+	signature := hex.EncodeToString(mac.Sum(nil))
+
+	// Authorization header
+	auth := base64.StdEncoding.EncodeToString(
+		[]byte(ikey + ":" + signature),
+	)
+
+	// Build request
+	req, err := http.NewRequestWithContext(
+		ctx,
+		http.MethodGet,
+		"https://"+host+path,
+		nil,
+	)
+	if err != nil {
+		return false, 0, err
+	}
+
+	req.Header.Set("Authorization", "Basic "+auth)
+	req.Header.Set("Date", timestamp)
+
+	res, err := client.Do(req)
+	if err != nil {
+		return false, 0, err
+	}
+	defer func() {
+		_, _ = io.Copy(io.Discard, res.Body)
+		_ = res.Body.Close()
+	}()
+
+	switch res.StatusCode {
+	case http.StatusOK:
+		return true, res.StatusCode, nil
+	case http.StatusUnauthorized:
+		return false, res.StatusCode, nil
+	case http.StatusForbidden: // Auth API returns 403 if credentials are admin keys be it active or inactive
+		return true, res.StatusCode, nil
+	default:
+		return false, res.StatusCode, fmt.Errorf("unexpected HTTP status %d", res.StatusCode)
+	}
+}
+
+func (s Scanner) Type() detector_typepb.DetectorType {
+	return detector_typepb.DetectorType_Duo
+}
+
+func (s Scanner) Description() string {
+	return "Duo is a security platform that provides multi-factor authentication and identity management services."
+}

pkg/detectors/duo/duo_integration_test.go

@@ -0,0 +1,310 @@
+//go:build detectors
+// +build detectors
+
+package duo
+
+import (
+	"context"
+	"fmt"
+	"testing"
+	"time"
+
+	"github.com/google/go-cmp/cmp"
+	"github.com/google/go-cmp/cmp/cmpopts"
+
+	"github.com/trufflesecurity/trufflehog/v3/pkg/common"
+	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors"
+	"github.com/trufflesecurity/trufflehog/v3/pkg/pb/detector_typepb"
+)
+
+func TestDuo_FromChunk(t *testing.T) {
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	testSecrets, err := common.GetSecret(ctx, "trufflehog-testing", "detectors6")
+	if err != nil {
+		t.Fatalf("could not get test secrets from GCP: %s", err)
+	}
+
+	host := testSecrets.MustGetField("DUO_APIHOST")
+	ikey := testSecrets.MustGetField("DUO_AUTH_IKEY")
+	skey := testSecrets.MustGetField("DUO_AUTH_SKEY")
+	inactiveSKey := "CWZZCIOF2aEHdx2PfexiNC3Bedai2axLMC3C2IFe"
+
+	type args struct {
+		ctx    context.Context
+		data   []byte
+		verify bool
+	}
+
+	tests := []struct {
+		name                string
+		s                   Scanner
+		args                args
+		want                []detectors.Result
+		wantErr             bool
+		wantVerificationErr bool
+	}{
+		{
+			name: "found, verified",
+			s:    Scanner{},
+			args: args{
+				ctx: context.Background(),
+				data: fmt.Appendf(
+					[]byte{},
+					"Using DUO_APIHOST=%s DUO_IKEY=%s DUO_SKEY=%s",
+					host, ikey, skey,
+				),
+				verify: true,
+			},
+			want: []detectors.Result{
+				{
+					DetectorType: detector_typepb.DetectorType_Duo,
+					Verified:     true,
+					Raw:          []byte(ikey),
+					RawV2:        []byte(fmt.Sprintf("%s:%s:%s", host, ikey, skey)),
+				},
+			},
+		},
+		{
+			name: "found, real secrets, verification error due to timeout",
+			s:    Scanner{client: common.SaneHttpClientTimeOut(1 * time.Microsecond)},
+			args: args{
+				ctx: context.Background(),
+				data: fmt.Appendf(
+					[]byte{},
+					"DUO_APIHOST=%s DUO_IKEY=%s DUO_SKEY=%s",
+					host, ikey, skey,
+				),
+				verify: true,
+			},
+			want: []detectors.Result{
+				{
+					DetectorType: detector_typepb.DetectorType_Duo,
+					Verified:     false,
+					Raw:          []byte(ikey),
+					RawV2:        []byte(fmt.Sprintf("%s:%s:%s", host, ikey, skey)),
+				},
+			},
+			wantVerificationErr: true,
+		},
+		{
+			name: "found, real secrets, verification error due to unexpected api surface",
+			s:    Scanner{client: common.ConstantResponseHttpClient(500, "{}")},
+			args: args{
+				ctx: context.Background(),
+				data: fmt.Appendf(
+					[]byte{},
+					"DUO_APIHOST=%s DUO_IKEY=%s DUO_SKEY=%s",
+					host, ikey, skey,
+				),
+				verify: true,
+			},
+			want: []detectors.Result{
+				{
+					DetectorType: detector_typepb.DetectorType_Duo,
+					Verified:     false,
+					Raw:          []byte(ikey),
+					RawV2:        []byte(fmt.Sprintf("%s:%s:%s", host, ikey, skey)),
+				},
+			},
+			wantVerificationErr: true,
+		},
+		{
+			name: "found, unverified (inactive secret)",
+			s:    Scanner{},
+			args: args{
+				ctx: context.Background(),
+				data: fmt.Appendf(
+					[]byte{},
+					"DUO_APIHOST=%s DUO_IKEY=%s DUO_SKEY=%s",
+					host, ikey, inactiveSKey,
+				),
+				verify: true,
+			},
+			want: []detectors.Result{
+				{
+					DetectorType: detector_typepb.DetectorType_Duo,
+					Verified:     false,
+					Raw:          []byte(ikey),
+					RawV2:        []byte(fmt.Sprintf("%s:%s:%s", host, ikey, inactiveSKey)),
+				},
+			},
+		},
+		{
+			name: "not found",
+			s:    Scanner{},
+			args: args{
+				ctx:    context.Background(),
+				data:   []byte("no duo credentials here"),
+				verify: true,
+			},
+			want: nil,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := tt.s.FromData(tt.args.ctx, tt.args.verify, tt.args.data)
+			if (err != nil) != tt.wantErr {
+				t.Fatalf("Duo.FromData() error = %v, wantErr %v", err, tt.wantErr)
+			}
+
+			for i := range got {
+				if len(got[i].Raw) == 0 {
+					t.Fatal("no raw secret present")
+				}
+				if (got[i].VerificationError() != nil) != tt.wantVerificationErr {
+					t.Fatalf(
+						"wantVerificationError=%v, verificationError=%v",
+						tt.wantVerificationErr,
+						got[i].VerificationError(),
+					)
+				}
+			}
+
+			ignoreOpts := cmpopts.IgnoreFields(
+				detectors.Result{},
+				"ExtraData",
+				"verificationError",
+				"primarySecret",
+			)
+
+			if diff := cmp.Diff(got, tt.want, ignoreOpts); diff != "" {
+				t.Errorf("Duo.FromData() %s diff: (-got +want)\n%s", tt.name, diff)
+			}
+		})
+	}
+}
+
+func TestDuo_FromChunk_AdminAPI(t *testing.T) {
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	testSecrets, err := common.GetSecret(ctx, "trufflehog-testing", "detectors6")
+	if err != nil {
+		t.Fatalf("could not get test secrets from GCP: %s", err)
+	}
+
+	// Auth API credentials
+	host := testSecrets.MustGetField("DUO_APIHOST")
+	inactiveSKey := "CWZZCIOF2aEHdx2PfexiNC3Bedai2axLMC3C2IFe"
+	inactiveIKey := "DIBJ9FGFZDD8BQKF6PN1"
+
+	// Admin API credentials
+	adminIKey := testSecrets.MustGetField("DUO_ADMIN_IKEY")
+	adminSKey := testSecrets.MustGetField("DUO_ADMIN_SKEY")
+
+	type args struct {
+		ctx    context.Context
+		data   []byte
+		verify bool
+	}
+
+	tests := []struct {
+		name                string
+		s                   Scanner
+		args                args
+		want                []detectors.Result
+		wantErr             bool
+		wantVerificationErr bool
+	}{
+		{
+			name: "admin key, verified",
+			s:    Scanner{},
+			args: args{
+				ctx: context.Background(),
+				data: fmt.Appendf(
+					[]byte{},
+					"Using DUO_APIHOST=%s DUO_IKEY=%s DUO_SKEY=%s",
+					host, adminIKey, adminSKey,
+				),
+				verify: true,
+			},
+			want: []detectors.Result{
+				{
+					DetectorType: detector_typepb.DetectorType_Duo,
+					Verified:     true,
+					Raw:          []byte(adminIKey),
+					RawV2:        []byte(fmt.Sprintf("%s:%s:%s", host, adminIKey, adminSKey)),
+					ExtraData: map[string]string{
+						"application": "Admin API",
+					},
+				},
+			},
+		},
+		{
+			name: "admin key, unverified (invalid secret)",
+			s:    Scanner{},
+			args: args{
+				ctx: context.Background(),
+				data: fmt.Appendf(
+					[]byte{},
+					"Using DUO_APIHOST=%s DUO_IKEY=%s DUO_SKEY=%s",
+					host, inactiveIKey, inactiveSKey,
+				),
+				verify: true,
+			},
+			want: []detectors.Result{
+				{
+					DetectorType: detector_typepb.DetectorType_Duo,
+					Verified:     false,
+					Raw:          []byte(inactiveIKey),
+					RawV2:        []byte(fmt.Sprintf("%s:%s:%s", host, inactiveIKey, inactiveSKey)),
+					ExtraData: map[string]string{
+						"application": "Auth API",
+					},
+				},
+			},
+			wantVerificationErr: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := tt.s.FromData(tt.args.ctx, tt.args.verify, tt.args.data)
+			if (err != nil) != tt.wantErr {
+				t.Fatalf("Duo.FromData() error = %v, wantErr %v", err, tt.wantErr)
+			}
+
+			for i := range got {
+				if len(got[i].Raw) == 0 {
+					t.Fatal("no raw secret present")
+				}
+				if (got[i].VerificationError() != nil) != tt.wantVerificationErr {
+					t.Fatalf(
+						"wantVerificationError=%v, verificationError=%v",
+						tt.wantVerificationErr,
+						got[i].VerificationError(),
+					)
+				}
+			}
+
+			ignoreOpts := cmpopts.IgnoreFields(
+				detectors.Result{},
+				"verificationError",
+				"primarySecret",
+			)
+
+			if diff := cmp.Diff(got, tt.want, ignoreOpts); diff != "" {
+				t.Errorf("Duo.FromData() %s diff: (-got +want)\n%s", tt.name, diff)
+			}
+		})
+	}
+}
+
+func BenchmarkFromData(benchmark *testing.B) {
+	ctx := context.Background()
+	s := Scanner{}
+	for name, data := range detectors.MustGetBenchmarkData() {
+		benchmark.Run(name, func(b *testing.B) {
+			b.ResetTimer()
+			for n := 0; n < b.N; n++ {
+				_, err := s.FromData(ctx, false, data)
+				if err != nil {
+					b.Fatal(err)
+				}
+			}
+		})
+	}
+}

pkg/detectors/duo/duo_test.go

@@ -0,0 +1,163 @@
+package duo
+
+import (
+	"context"
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+	"github.com/stretchr/testify/require"
+
+	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors"
+	"github.com/trufflesecurity/trufflehog/v3/pkg/engine/ahocorasick"
+)
+
+func TestDuo_Pattern(t *testing.T) {
+	d := Scanner{}
+	ahoCorasickCore := ahocorasick.NewAhoCorasickCore([]detectors.Detector{d})
+
+	tests := []struct {
+		name  string
+		input string
+		want  []string
+	}{
+		{
+			name: "valid pattern - auth api credentials",
+			input: `
+				[INFO] Initializing Duo Auth API
+				[DEBUG] DUO_API_HOST=api-123456.duosecurity.com
+				[DEBUG] DUO_IKEY=DIXXXXXXXXXXXXXXXXXX
+				[DEBUG] DUO_SKEY=CWZZCIOF2aEHdx2PfexiNC3Bedai2axLMC3C2IFe
+			`,
+			want: []string{
+				"api-123456.duosecurity.com:DIXXXXXXXXXXXXXXXXXX:CWZZCIOF2aEHdx2PfexiNC3Bedai2axLMC3C2IFe",
+			},
+		},
+		{
+			name: "valid pattern - admin api credentials",
+			input: `
+				[INFO] Connecting to Duo Admin API
+				[DEBUG] duo_host=api-abcdef.duosecurity.com
+				[DEBUG] duo_integration_key=DIYYYYYYYYYYYYYYYYYY
+				[DEBUG] duo_secret_key=CWZZCIOF2aEHdx2PfexiNC3Bedai2axLMC3C2IFe
+			`,
+			want: []string{
+				"api-abcdef.duosecurity.com:DIYYYYYYYYYYYYYYYYYY:CWZZCIOF2aEHdx2PfexiNC3Bedai2axLMC3C2IFe",
+			},
+		},
+		{
+			name: "valid pattern - json config",
+			input: `
+				{
+					"duo": {
+						"host": "api-zzzzzz.duosecurity.com",
+						"ikey": "DIABCDEFGHIJKLMNOPQR",
+						"duo_skey": "CWZZCIOF2aEHdx2PfexiNC3Bedai2axLMC3C2IFe"
+					}
+				}
+			`,
+			want: []string{
+				"api-zzzzzz.duosecurity.com:DIABCDEFGHIJKLMNOPQR:CWZZCIOF2aEHdx2PfexiNC3Bedai2axLMC3C2IFe",
+			},
+		},
+		{
+			name: "invalid pattern - only ikey",
+			input: `
+				[DEBUG] DUO_IKEY=DIXXXXXXXXXXXXXXXXXX
+			`,
+			want: nil,
+		},
+		{
+			name: "invalid pattern - only skey",
+			input: `
+				[DEBUG] DUO_SKEY=CWZZCIOF2aEHdx2PfexiNC3Bedai2axLMC3C2IFe
+			`,
+			want: nil,
+		},
+		{
+			name: "invalid pattern - only host",
+			input: `
+				[DEBUG] DUO_API_HOST=api-123456.duosecurity.com
+			`,
+			want: nil,
+		},
+		{
+			name: "invalid pattern - missing host",
+			input: `
+				[DEBUG] DUO_IKEY=DIXXXXXXXXXXXXXXXXXX
+				[DEBUG] DUO_SKEY=CWZZCIOF2aEHdx2PfexiNC3Bedai2axLMC3C2IFe
+			`,
+			want: nil,
+		},
+		{
+			name: "invalid pattern - short ikey",
+			input: `
+				[DEBUG] DUO_API_HOST=api-123456.duosecurity.com
+				[DEBUG] DUO_IKEY=DI123
+				[DEBUG] DUO_SKEY=CWZZCIOF2aEHdx2PfexiNC3Bedai2axLMC3C2IFe
+			`,
+			want: nil,
+		},
+		{
+			name: "invalid pattern - short skey",
+			input: `
+				[DEBUG] DUO_API_HOST=api-123456.duosecurity.com
+				[DEBUG] DUO_IKEY=DIXXXXXXXXXXXXXXXXXX
+				[DEBUG] DUO_SKEY=deadbeef
+			`,
+			want: nil,
+		},
+		{
+			name: "invalid pattern - wrong host domain",
+			input: `
+				[DEBUG] DUO_API_HOST=duo.example.com
+				[DEBUG] DUO_IKEY=DIXXXXXXXXXXXXXXXXXX
+				[DEBUG] DUO_SKEY=CWZZCIOF2aEHdx2PfexiNC3Bedai2axLMC3C2IFe
+			`,
+			want: nil,
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			matchedDetectors := ahoCorasickCore.FindDetectorMatches([]byte(test.input))
+			if len(matchedDetectors) == 0 {
+				if len(test.want) > 0 {
+					t.Errorf(
+						"test %q failed: expected keywords %v to be found",
+						test.name,
+						d.Keywords(),
+					)
+				}
+				return
+			}
+
+			results, err := d.FromData(context.Background(), false, []byte(test.input))
+			require.NoError(t, err)
+			if len(results) != len(test.want) {
+				t.Fatalf(
+					"mismatch in result count: expected %d, got %d",
+					len(test.want),
+					len(results),
+				)
+			}
+
+			actual := make(map[string]struct{}, len(results))
+			for _, r := range results {
+				if len(r.RawV2) > 0 {
+					actual[string(r.RawV2)] = struct{}{}
+				} else {
+					actual[string(r.Raw)] = struct{}{}
+				}
+			}
+
+			expected := make(map[string]struct{}, len(test.want))
+			for _, v := range test.want {
+				expected[v] = struct{}{}
+			}
+
+			if diff := cmp.Diff(expected, actual); diff != "" {
+				t.Errorf("%s diff: (-want +got)\n%s", test.name, diff)
+			}
+		})
+	}
+}

pkg/engine/defaults/defaults.go

@@ -256,6 +256,7 @@ import (
 	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/droneci"
 	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/dropbox"
 	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/duffeltoken"
+	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/duo"
 	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/duply"
 	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/dwolla"
 	"github.com/trufflesecurity/trufflehog/v3/pkg/detectors/dynalist"
@@ -1155,6 +1156,7 @@ func buildDetectorList() []detectors.Detector {
 		&droneci.Scanner{},
 		&dropbox.Scanner{},
 		&duffeltoken.Scanner{},
+		&duo.Scanner{},
 		&duply.Scanner{},
 		&dwolla.Scanner{},
 		&dynalist.Scanner{},
@@ -1856,6 +1858,8 @@ func buildDetectorList() []detectors.Detector {
 			return !feature.CloudflareApiTokenV2DetectorEnabled.Load()
 		case *cloudflareglobalapikeyv2.Scanner:
 			return !feature.CloudflareGlobalApiKeyV2DetectorEnabled.Load()
+		case *duo.Scanner:
+			return !feature.DuoDetectorEnabled.Load()
 		default:
 			return false
 		}

pkg/engine/defaults/defaults_test.go

@@ -144,6 +144,7 @@ var excludedFromDefaultList = map[detector_typepb.DetectorType]struct{}{
 	detector_typepb.DetectorType_Lob:                       {},
 	detector_typepb.DetectorType_HashiCorpVaultBatchToken:  {},
 	detector_typepb.DetectorType_HashiCorpVaultToken:       {},
+	detector_typepb.DetectorType_Duo:                       {},
 
 	// Reserved / special types.
 	detector_typepb.DetectorType_CustomRegex: {}, // added dynamically via engine config, not via buildDetectorList()

pkg/feature/feature.go

@@ -40,6 +40,7 @@ var (
 	HashiCorpVaultTokenDetectorEnabled       atomic.Bool
 	CloudflareApiTokenV2DetectorEnabled      atomic.Bool
 	CloudflareGlobalApiKeyV2DetectorEnabled  atomic.Bool
+	DuoDetectorEnabled                       atomic.Bool
 )
 
 type AtomicString struct {

pkg/pb/detector_typepb/detector_type.pb.go

@@ -1116,6 +1116,7 @@ const (
 	DetectorType_Shippo                                  DetectorType = 1060
 	DetectorType_HashiCorpVaultBatchToken                DetectorType = 1061
 	DetectorType_HashiCorpVaultToken                     DetectorType = 1062
+	DetectorType_Duo                                     DetectorType = 1063
 )
 
 // Enum value maps for DetectorType.
@@ -2180,6 +2181,7 @@ var (
 		1060: "Shippo",
 		1061: "HashiCorpVaultBatchToken",
 		1062: "HashiCorpVaultToken",
+		1063: "Duo",
 	}
 	DetectorType_value = map[string]int32{
 		"Alibaba":                               0,
@@ -3241,6 +3243,7 @@ var (
 		"Shippo":                            1060,
 		"HashiCorpVaultBatchToken":          1061,
 		"HashiCorpVaultToken":               1062,
+		"Duo":                               1063,
 	}
 )
 
@@ -3276,7 +3279,7 @@ var File_detector_type_proto protoreflect.FileDescriptor
 var file_detector_type_proto_rawDesc = []byte{
 	0x0a, 0x13, 0x64, 0x65, 0x74, 0x65, 0x63, 0x74, 0x6f, 0x72, 0x5f, 0x74, 0x79, 0x70, 0x65, 0x2e,
 	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x0d, 0x64, 0x65, 0x74, 0x65, 0x63, 0x74, 0x6f, 0x72, 0x5f,
-	0x74, 0x79, 0x70, 0x65, 0x2a, 0xbf, 0x8a, 0x01, 0x0a, 0x0c, 0x44, 0x65, 0x74, 0x65, 0x63, 0x74,
+	0x74, 0x79, 0x70, 0x65, 0x2a, 0xc9, 0x8a, 0x01, 0x0a, 0x0c, 0x44, 0x65, 0x74, 0x65, 0x63, 0x74,
 	0x6f, 0x72, 0x54, 0x79, 0x70, 0x65, 0x12, 0x0b, 0x0a, 0x07, 0x41, 0x6c, 0x69, 0x62, 0x61, 0x62,
 	0x61, 0x10, 0x00, 0x12, 0x08, 0x0a, 0x04, 0x41, 0x4d, 0x51, 0x50, 0x10, 0x01, 0x12, 0x07, 0x0a,
 	0x03, 0x41, 0x57, 0x53, 0x10, 0x02, 0x12, 0x09, 0x0a, 0x05, 0x41, 0x7a, 0x75, 0x72, 0x65, 0x10,
@@ -4384,12 +4387,12 @@ var file_detector_type_proto_rawDesc = []byte{
 	0x0a, 0x18, 0x48, 0x61, 0x73, 0x68, 0x69, 0x43, 0x6f, 0x72, 0x70, 0x56, 0x61, 0x75, 0x6c, 0x74,
 	0x42, 0x61, 0x74, 0x63, 0x68, 0x54, 0x6f, 0x6b, 0x65, 0x6e, 0x10, 0xa5, 0x08, 0x12, 0x18, 0x0a,
 	0x13, 0x48, 0x61, 0x73, 0x68, 0x69, 0x43, 0x6f, 0x72, 0x70, 0x56, 0x61, 0x75, 0x6c, 0x74, 0x54,
-	0x6f, 0x6b, 0x65, 0x6e, 0x10, 0xa6, 0x08, 0x42, 0x41, 0x5a, 0x3f, 0x67, 0x69, 0x74, 0x68, 0x75,
-	0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x74, 0x72, 0x75, 0x66, 0x66, 0x6c, 0x65, 0x73, 0x65, 0x63,
-	0x75, 0x72, 0x69, 0x74, 0x79, 0x2f, 0x74, 0x72, 0x75, 0x66, 0x66, 0x6c, 0x65, 0x68, 0x6f, 0x67,
-	0x2f, 0x76, 0x33, 0x2f, 0x70, 0x6b, 0x67, 0x2f, 0x70, 0x62, 0x2f, 0x64, 0x65, 0x74, 0x65, 0x63,
-	0x74, 0x6f, 0x72, 0x5f, 0x74, 0x79, 0x70, 0x65, 0x70, 0x62, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74,
-	0x6f, 0x33,
+	0x6f, 0x6b, 0x65, 0x6e, 0x10, 0xa6, 0x08, 0x12, 0x08, 0x0a, 0x03, 0x44, 0x75, 0x6f, 0x10, 0xa7,
+	0x08, 0x42, 0x41, 0x5a, 0x3f, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f,
+	0x74, 0x72, 0x75, 0x66, 0x66, 0x6c, 0x65, 0x73, 0x65, 0x63, 0x75, 0x72, 0x69, 0x74, 0x79, 0x2f,
+	0x74, 0x72, 0x75, 0x66, 0x66, 0x6c, 0x65, 0x68, 0x6f, 0x67, 0x2f, 0x76, 0x33, 0x2f, 0x70, 0x6b,
+	0x67, 0x2f, 0x70, 0x62, 0x2f, 0x64, 0x65, 0x74, 0x65, 0x63, 0x74, 0x6f, 0x72, 0x5f, 0x74, 0x79,
+	0x70, 0x65, 0x70, 0x62, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (

proto/detector_type.proto

@@ -1064,4 +1064,5 @@ enum DetectorType {
   Shippo = 1060;
   HashiCorpVaultBatchToken = 1061;
   HashiCorpVaultToken = 1062;
+  Duo = 1063;
 }