Added RapidDNS source

config.yaml

@@ -25,6 +25,7 @@ sources:
   - hackertarget
   - ipv4info
   - passivetotal
+  - rapiddns
   - securitytrails
   - shodan
   - sitedossier
@@ -40,4 +41,4 @@ passivetotal: []
 securitytrails: []
 shodan: []
 urlscan: []
-virustotal: []
+virustotal: []

pkg/passive/sources.go

@@ -16,6 +16,7 @@ import (
 	"github.com/projectdiscovery/subfinder/pkg/subscraping/sources/hackertarget"
 	"github.com/projectdiscovery/subfinder/pkg/subscraping/sources/ipv4info"
 	"github.com/projectdiscovery/subfinder/pkg/subscraping/sources/passivetotal"
+	"github.com/projectdiscovery/subfinder/pkg/subscraping/sources/rapiddns"
 	"github.com/projectdiscovery/subfinder/pkg/subscraping/sources/securitytrails"
 	"github.com/projectdiscovery/subfinder/pkg/subscraping/sources/shodan"
 	"github.com/projectdiscovery/subfinder/pkg/subscraping/sources/sitedossier"
@@ -42,6 +43,7 @@ var DefaultSources = []string{
 	"hackertarget",
 	"ipv4info",
 	"passivetotal",
+	"rapiddns",
 	"securitytrails",
 	"shodan",
 	"sitedossier",
@@ -102,6 +104,8 @@ func (a *Agent) addSources(sources []string) {
 			a.sources[source] = &ipv4info.Source{}
 		case "passivetotal":
 			a.sources[source] = &passivetotal.Source{}
+		case "rapiddns":
+			a.sources[source] = &rapiddns.Source{}
 		case "securitytrails":
 			a.sources[source] = &securitytrails.Source{}
 		case "shodan":

pkg/subscraping/sources/rapiddns/rapiddns.go

@@ -0,0 +1,77 @@
+// Package rapiddns is a RapidDNS Scraping Engine in Golang
+package rapiddns
+
+import (
+	"context"
+	"io/ioutil"
+	"regexp"
+	"strings"
+
+	"github.com/projectdiscovery/subfinder/pkg/subscraping"
+)
+
+// RapidDNS is a struct for archiveurlsagent
+type RapidDNS struct {
+	Results chan subscraping.Result
+	Session *subscraping.Session
+}
+
+var reNext = regexp.MustCompile("<td><a href=\"(.*?)\" target=\"_blank\">.*?</a></td>")
+
+func (a *RapidDNS) enumerate(ctx context.Context, baseURL string) {
+	select {
+	case <-ctx.Done():
+		return
+	default:
+	}
+
+	resp, err := a.Session.NormalGetWithContext(ctx, baseURL)
+	if err != nil {
+		a.Results <- subscraping.Result{Source: "radpiddns", Type: subscraping.Error, Error: err}
+		return
+	}
+
+	// Get the response body
+	body, err := ioutil.ReadAll(resp.Body)
+	resp.Body.Close()
+	if err != nil {
+		a.Results <- subscraping.Result{Source: "radpiddns", Type: subscraping.Error, Error: err}
+		return
+	}
+
+	src := string(body)
+
+	for _, subdomain := range a.Session.Extractor.FindAllString(src, -1) {
+		a.Results <- subscraping.Result{Source: "radpiddns", Type: subscraping.Subdomain, Value: subdomain}
+	}
+
+	match1 := reNext.FindStringSubmatch(src)
+	if len(match1) > 0 {
+		a.enumerate(ctx, strings.TrimRight(match1[1], " "))
+	}
+}
+
+// Source is the passive scraping agent
+type Source struct{}
+
+// Run function returns all subdomains found with the service
+func (s *Source) Run(ctx context.Context, domain string, session *subscraping.Session) <-chan subscraping.Result {
+	results := make(chan subscraping.Result)
+
+	aInstance := RapidDNS{
+		Session: session,
+		Results: results,
+	}
+
+	go func() {
+		aInstance.enumerate(ctx, "https://rapiddns.io/subdomain/"+domain+"?full=1")
+		close(aInstance.Results)
+	}()
+
+	return aInstance.Results
+}
+
+// Name returns the name of the source
+func (s *Source) Name() string {
+	return "rapiddns"
+}