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fuzzer improvements on redirects and random UA #31

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Nov 26, 2023
Merged

fuzzer improvements on redirects and random UA #31

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2 changes: 1 addition & 1 deletion cmd/bruter/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -120,7 +120,7 @@ func readDictionary(file *os.File) []string {
func createQueue(mu *sync.Mutex, domain string, list []string, shift, total int, verbose bool) *async.WorkQueue {
queue := async.NewQueue(0, func(arg async.Job) {
ctx := arg.(*workerContext)
fuzzer.Get(ctx.Mu, &app, ctx.Domain, ctx.Path, ctx.Progress, ctx.Verbose)
fuzzer.Dirsearch(ctx.Mu, &app, ctx.Domain, ctx.Path, ctx.Progress, ctx.Verbose)
})

for index, payload := range list {
Expand Down
28 changes: 14 additions & 14 deletions pkg/fuzzer/fuzzer.go
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Original file line number Diff line number Diff line change
Expand Up @@ -4,11 +4,9 @@ import (
"bytes"
"crypto/tls"
"encoding/json"
"errors"
"fmt"
"io"
"net/http"
"net/url"
"os"
"sort"
"sync"
Expand All @@ -24,28 +22,30 @@ func checkError(err error) {
}
}

func Get(Mu *sync.Mutex, app *config.AppConfig, domain, path string, progress float32, verbose bool) {
urjoin := "https://" + domain + path
url, err := url.Parse(urjoin)
func Dirsearch(Mu *sync.Mutex, app *config.AppConfig, domain, path string, progress float32, verbose bool) {
urjoin := domain + path
url, err := NormalizeURL(urjoin)
if err != nil {
app.ZeroLog.Error().Err(err).Msgf("Error parsing URL: %s", urjoin)
}

get, err := http.NewRequest("GET", url.String(), nil)
head, err := http.NewRequest("HEAD", url, nil)
if err != nil {
app.ZeroLog.Error().Err(err).Msgf("Error creating request for URL: %s", urjoin)
}
head.Header.Set("User-Agent", GetRandomUserAgent())

client := &http.Client{
Transport: &http.Transport{
TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
},
}
client.CheckRedirect = func(req *http.Request, via []*http.Request) error {
return errors.New("Redirect")
tr := &http.Transport{
TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
}
// Do not verify certificates, do not follow redirects.
client := &http.Client{
Transport: tr,
CheckRedirect: func(req *http.Request, via []*http.Request) error {
return http.ErrUseLastResponse
}}

resp, err := client.Do(get)
resp, err := client.Do(head)
if err != nil {
app.ZeroLog.Error().Err(err).Msgf("Error performing request for URL: %s", urjoin)
}
Expand Down
34 changes: 34 additions & 0 deletions pkg/fuzzer/normalize.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,34 @@
package fuzzer

import (
"errors"
"net/url"
"strings"
)

func NormalizeURL(base string) (string, error) {
if base == "" {
return "", errors.New("URL is empty")
}

// Parse the URL
parsedURL, err := url.Parse(base)
if err != nil {
return "", err
}

// Ensure the scheme is set to either "http" or "https"
if parsedURL.Scheme != "http" && parsedURL.Scheme != "https" {
parsedURL.Scheme = "http"
}

// Ensure there's a trailing slash in the path
if parsedURL.Path == "" || !strings.HasSuffix(parsedURL.Path, "/") {
parsedURL.Path += "/"
}

// Update the original string
base = parsedURL.String()

return base, nil
}
71 changes: 71 additions & 0 deletions pkg/fuzzer/randomua.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,71 @@
package fuzzer

import (
"math/rand"
)

func GetRandomUserAgent() string {
userAgents := []string{
"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.36",
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2227.1 Safari/537.36",
"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2227.0 Safari/537.36",
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2227.0 Safari/537.36",
"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2226.0 Safari/537.36",
"Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.1",
"Mozilla/5.0 (Windows NT 6.3; rv:36.0) Gecko/20100101 Firefox/36.0",
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10; rv:33.0) Gecko/20100101 Firefox/33.0",
"Mozilla/5.0 (X11; Linux i586; rv:31.0) Gecko/20100101 Firefox/31.0",
"Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20130401 Firefox/31.0",
"Mozilla/5.0 (Windows NT 5.1; rv:31.0) Gecko/20100101 Firefox/31.0",
"Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; AS; rv:11.0) like Gecko",
"Mozilla/5.0 (compatible, MSIE 11, Windows NT 6.3; Trident/7.0; rv:11.0) like Gecko",
"Mozilla/5.0 (compatible; MSIE 10.6; Windows NT 6.1; Trident/5.0; InfoPath.2; SLCC1; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; .NET CLR 2.0.50727) 3gpp-gba UNTRUSTED/1.0",
"Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 7.0; InfoPath.3; .NET CLR 3.1.40767; Trident/6.0; en-IN)",
"Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)",
"Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; Trident/6.0)",
"Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; Trident/5.0)",
"Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; Trident/4.0; InfoPath.2; SV1; .NET CLR 2.0.50727; WOW64)",
"Mozilla/5.0 (compatible; MSIE 10.0; Macintosh; Intel Mac OS X 10_7_3; Trident/6.0)",
"Mozilla/4.0 (Compatible; MSIE 8.0; Windows NT 5.2; Trident/6.0)",
"Mozilla/4.0 (compatible; MSIE 10.0; Windows NT 6.1; Trident/5.0)",
"Mozilla/5.0 (Windows; U; MSIE 9.0; WIndows NT 9.0; en-US))",
"Mozilla/5.0 (Windows; U; MSIE 9.0; Windows NT 9.0; en-US)",
"Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 7.1; Trident/5.0)",
"Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; SLCC2; Media Center PC 6.0; InfoPath.3; MS-RTC LM 8; Zune 4.7)",
"Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; SLCC2; Media Center PC 6.0; InfoPath.3; MS-RTC LM 8; Zune 4.7",
"Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; Zune 4.0; InfoPath.3; MS-RTC LM 8; .NET4.0C; .NET4.0E)",
"Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; chromeframe/12.0.742.112)",
"Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET CLR 2.0.50727; Media Center PC 6.0)",
"Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET CLR 2.0.50727; Media Center PC 6.0)",
"Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0; .NET CLR 2.0.50727; SLCC2; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; Zune 4.0; Tablet PC 2.0; InfoPath.3; .NET4.0C; .NET4.0E)",
"Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0",
"Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0; yie8)",
"Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; GTB7.4; InfoPath.2; SV1; .NET CLR 3.3.69573; WOW64; en-US)",
"Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET CLR 1.0.3705; .NET CLR 1.1.4322)",
"Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0; InfoPath.1; SV1; .NET CLR 3.8.36217; WOW64; en-US)",
"Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0; .NET CLR 2.7.58687; SLCC2; Media Center PC 5.0; Zune 3.4; Tablet PC 3.6; InfoPath.3)",
"Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 5.2; Trident/4.0; Media Center PC 4.0; SLCC1; .NET CLR 3.0.04320)",
"Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; SLCC1; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; .NET CLR 1.1.4322)",
"Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; InfoPath.2; SLCC1; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; .NET CLR 2.0.50727)",
"Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727)",
"Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 5.1; SLCC1; .NET CLR 1.1.4322)",
"Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 5.0; Trident/4.0; InfoPath.1; SV1; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; .NET CLR 3.0.04506.30)",
"Mozilla/5.0 (compatible; MSIE 7.0; Windows NT 5.0; Trident/4.0; FBSMTWB; .NET CLR 2.0.34861; .NET CLR 3.0.3746.3218; .NET CLR 3.5.33652; msn OptimizedIE8;ENUS)",
"Mozilla/4.0(compatible; MSIE 7.0b; Windows NT 6.0)",
"Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 6.0)",
"Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 5.2; .NET CLR 1.1.4322; .NET CLR 2.0.50727; InfoPath.2; .NET CLR 3.0.04506.30)",
"Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 5.1; Media Center PC 3.0; .NET CLR 1.0.3705; .NET CLR 1.1.4322; .NET CLR 2.0.50727; InfoPath.1)",
"Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 5.1; FDM; .NET CLR 1.1.4322)",
"Mozilla/5.0 (Windows; U; MSIE 7.0; Windows NT 6.0; en-US)",
"Mozilla/5.0 (Windows; U; MSIE 7.0; Windows NT 6.0; el-GR)",
"Mozilla/5.0 (Windows; U; MSIE 7.0; Windows NT 5.2)",
"Mozilla/4.0 (compatible; MSIE 6.1; Windows XP; .NET CLR 1.1.4322; .NET CLR 2.0.50727)",
"Mozilla/4.0 (compatible; MSIE 6.1; Windows XP)",
"Mozilla/4.0 (compatible; MSIE 6.01; Windows NT 6.0)",
"Mozilla/4.0 (compatible; MSIE 6.0b; Windows NT 5.1; DigExt)",
"Mozilla/4.0 (compatible; MSIE 6.0b; Windows NT 5.1)",
}

randomIndex := rand.Intn(len(userAgents))
return userAgents[randomIndex]
}