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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| package sonar | ||
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| import ( | ||
| "fmt" | ||
| "net" | ||
| "sort" | ||
| "sync" | ||
| ) | ||
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| func BruteForce(threads int, wordlist <-chan string, domain string) Results { | ||
| results := make(Results, 0) | ||
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| fmt.Println("[+] Detecting wildcard") | ||
| wildcard, responses, err := detectWildcard(domain) | ||
| if err != nil { | ||
| // TODO: Fail loudly | ||
| } | ||
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| if wildcard { | ||
| fmt.Println("[+] Wildcard detected for domain") | ||
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| wildcardResult := Result{ | ||
| Domain: "*." + domain, | ||
| Addrs: keys(responses), | ||
| } | ||
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| results = append(results, wildcardResult) | ||
| } | ||
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| fmt.Println("[+] Beginning brute force attempt") | ||
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| var wg sync.WaitGroup | ||
| for i := 0; i < threads; i++ { | ||
| wg.Add(1) | ||
| go func(wordlist <-chan string) { | ||
| nextWord: | ||
| for { | ||
| word, ok := <-wordlist | ||
| if !ok { | ||
| break | ||
| } | ||
|
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| guess := word + "." + domain | ||
| answers, err := net.LookupHost(word + "." + domain) | ||
| if err != nil { | ||
| continue | ||
| } | ||
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| if wildcard { | ||
| for _, answer := range answers { | ||
| if _, ok := responses[answer]; ok { | ||
| // it's a wildcard response | ||
| continue nextWord | ||
| } | ||
| } | ||
| } | ||
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| result := Result{Domain: guess, Addrs: answers} | ||
| results = append(results, result) | ||
| } | ||
|
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| wg.Done() | ||
| }(wordlist) | ||
| } | ||
|
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| wg.Wait() | ||
| sort.Sort(results) | ||
|
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| return results | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| package sonar | ||
|
|
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| import ( | ||
| "crypto/rand" | ||
| "encoding/hex" | ||
| "fmt" | ||
| "net" | ||
| ) | ||
|
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| func detectWildcard(domain string) (bool, map[string]struct{}, error) { | ||
| bytes := make([]byte, 12) | ||
| _, err := rand.Read(bytes) | ||
| if err != nil { | ||
| return false, nil, err | ||
| } | ||
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| domain = fmt.Sprintf("%s.%s", hex.EncodeToString(bytes), domain) | ||
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| answers, err := net.LookupHost(domain) | ||
| if err != nil { | ||
| if asserted, ok := err.(*net.DNSError); ok && asserted.Err == "no such host" { | ||
| return false, nil, nil | ||
| } | ||
|
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| return false, nil, err | ||
| } | ||
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| responses := make(map[string]struct{}) | ||
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| for _, answer := range answers { | ||
| responses[answer] = struct{}{} | ||
| } | ||
|
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| return true, responses, nil | ||
| } | ||
|
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| func keys(set map[string]struct{}) []string { | ||
| keys := make([]string, 0, len(set)) | ||
| for key, _ := range set { | ||
| keys = append(keys, key) | ||
| } | ||
|
|
||
| return keys | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| package sonar | ||
|
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||
| import ( | ||
| "log" | ||
| "net" | ||
| "strings" | ||
|
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| "github.com/miekg/dns" | ||
| ) | ||
|
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| func ZoneTransfer(domain string) Results { | ||
| results := NewResultSet() | ||
| fqdn := dns.Fqdn(domain) | ||
|
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| servers, err := net.LookupNS(domain) | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
|
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| for _, server := range servers { | ||
| msg := new(dns.Msg) | ||
| msg.SetAxfr(fqdn) | ||
|
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| transfer := new(dns.Transfer) | ||
| answerChan, err := transfer.In(msg, net.JoinHostPort(server.Host, "53")) | ||
| if err != nil { | ||
| log.Println(err) | ||
| continue | ||
| } | ||
|
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| for envelope := range answerChan { | ||
| if envelope.Error != nil { | ||
| log.Println(envelope.Error) | ||
| break | ||
| } | ||
|
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| for _, rr := range envelope.RR { | ||
| switch v := rr.(type) { | ||
| case *dns.A: | ||
| results.Add(strings.TrimRight(v.Header().Name, "."), v.A.String()) | ||
| case *dns.AAAA: | ||
| results.Add(strings.TrimRight(v.Header().Name, "."), v.AAAA.String()) | ||
| default: | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| return results.Results() | ||
| } |