Initial commit.

Author: wunderwuzzi23

.gitignore

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+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+.vscode/
+/bin
+.token
+.token-mailsend
+.token-azure
+
+./ropci
+ropci
+ropci.exe
+ropci-mac
+.ropci.yaml
+users.list
+passwords.list
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/

LICENSE

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+The MIT License (MIT)
+
+Copyright © 2022 The ropci authors.
+
+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

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+#!/bin/sh
+
+echo "Building"
+
+
+ver=$(git describe --tags)
+echo "Latest tag/version: $ver"
+
+
+echo "Preparing bin folder"
+rm -r ./bin
+
+echo "Creating bin folders for various platforms"
+
+mkdir -p ./bin/windows
+mkdir -p ./bin/linux
+mkdir -p ./bin/darwin
+
+
+echo "Building things"
+
+GOOS=linux   GOARCH=amd64 go build -ldflags "-s -w -X 'ropci/cmd.VersionInfo=$(git rev-parse HEAD)'"  -o bin/linux/ropci main.go
+GOOS=windows GOARCH=amd64 go build -ldflags "-s -w -X 'ropci/cmd.VersionInfo=$(git rev-parse HEAD)'" -o bin/windows/ropci.exe main.go
+GOOS=darwin  GOARCH=amd64 go build -ldflags "-s -w -X 'ropci/cmd.VersionInfo=$(git rev-parse HEAD)'" -o bin/darwin/ropci main.go
+
+echo "Copying templates"
+
+cp -r ./templates ./bin/windows
+cp -r ./templates ./bin/linux
+cp -r ./templates ./bin/darwin
+
+echo "Zipping packages"
+
+cd bin
+cd windows && zip ../ropci-windows-$ver.zip -r * && cd ..
+cd darwin  && zip ../ropci-darwin-$ver.zip -r * && cd ..
+cd linux   && zip ../ropci-linux-$ver.zip -r  * && cd ..
+cd ..
+pwd
+echo "Done"
+

build.sh

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+/*
+Copyright © 2022 WUNDERWUZZI23
+*/
+package cmd
+
+import (
+	"ropci/utils"
+
+	"github.com/spf13/cobra"
+)
+
+var appsSelectFields []string
+
+// appsCmd represents the apps command
+var appsCmd = &cobra.Command{
+	Use:   "apps",
+	Short: "List all the apps/clientids (servicePrincipals) available in the tenant",
+	Long:  `This command can be used to retrieve clientids for testing to check if one can perform ROPC grants on them.`,
+	Run: func(cmd *cobra.Command, args []string) {
+
+		processViper()
+
+		utils.DoRequest(mainClient,
+			rootGraphUri,
+			"", //api-version not needed for Graph API
+			"servicePrincipals",
+			rootOutputFormat,
+			rootOutputFilename,
+			appsSelectFields,
+			"", //search
+			rootShowAll,
+			callBody)
+	},
+}
+
+// type appsCmdFlags struct {
+// 	outputFilename string
+// 	selectFields []string
+// }
+
+func init() {
+	rootCmd.AddCommand(appsCmd)
+
+	appsCmd.Flags().StringVarP(&rootOutputFilename, "output", "o", "", "writing results to this json file")
+	appsCmd.Flags().StringArrayVarP(&appsSelectFields, "fields", "f", []string{"displayName", "appId", "publisherName"}, "fields to select")
+}

clientids

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+/*
+Copyright © 2022 wunderwuzzi23
+*/
+package cmd
+
+import (
+	"ropci/models"
+	"sync"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/pflag"
+	"github.com/spf13/viper"
+)
+
+var (
+	authTenant        string
+	authClientID      string
+	authClientSecret  string
+	authUsername      string
+	authPassword      string
+	authScopes        []string
+	authDisplayName   string
+	authEnterPassword bool
+)
+
+// authCmd represents the auth command
+var authCmd = &cobra.Command{
+	Use:   "auth",
+	Short: "Authenticate to AAD using ROPC",
+	Long:  `Provide username, password and clientid.`,
+	Run: func(cmd *cobra.Command, args []string) {
+		cmd.Help()
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(authCmd)
+
+	authCmd.PersistentFlags().StringP("tenant", "t", "", "AAD Tenant name or ID")
+	authCmd.PersistentFlags().StringP("username", "u", "", "Username for tenant")
+	authCmd.PersistentFlags().StringP("password", "p", "", "Password for user")
+	authCmd.PersistentFlags().StringP("clientid", "c", "d3590ed6-52b3-4102-aeff-aad2292ab01c", "ClientID")
+	authCmd.PersistentFlags().StringP("clientsecret", "s", "", "optional (not needed for basic tests)")
+	authCmd.PersistentFlags().StringSliceP("scope", "S", []string{"openid", "offline_access"}, "Requested scopes")
+	authCmd.PersistentFlags().BoolP("enter-password", "P", false, "Prompt for password")
+
+	//authCmd.MarkPersistentFlagRequired("tenant")
+	viper.BindPFlags(authCmd.PersistentFlags())
+
+	authCmd.Flags().VisitAll(func(flag *pflag.Flag) {
+		if viper.IsSet(flag.Name) && viper.GetString(flag.Name) != "" {
+			authCmd.PersistentFlags().Set(flag.Name, viper.GetString(flag.Name))
+			authCmd.PersistentFlags().SetAnnotation(flag.Name, cobra.BashCompOneRequiredFlag, []string{"false"})
+		}
+	})
+
+}
+
+type authLogonResult struct {
+	wg    *sync.WaitGroup
+	Token *models.Token
+	Conf  *models.OAuth2Config
+}

cmd/apps.go

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+/*
+Copyright © 2022 wunderwuzzi23
+*/
+package cmd
+
+import (
+	"encoding/csv"
+	"encoding/json"
+	"fmt"
+	"os"
+	"ropci/models"
+	"ropci/utils"
+	"strings"
+
+	"github.com/olekukonko/tablewriter"
+	"github.com/spf13/cobra"
+)
+
+var (
+	bulkInputfile  string
+	bulkOutputfile string
+)
+
+// authBulkCmd represents the bulk command
+var authBulkCmd = &cobra.Command{
+	Use:   "bulk",
+	Short: "Bulk validation of access to clientids via ROPC",
+	Long:  `Allows to highlight OAuth apps that might allow elevation or MFA bypass opportunities.`,
+	Run: func(cmd *cobra.Command, args []string) {
+
+		processViper()
+
+		// inputfile = viper.GetString("inputfile")
+		// outputfile = viper.GetString("outputfile")
+
+		fmt.Printf("ClientIDs from CSV file %s.\n", bulkInputfile)
+		fmt.Printf("Results will be written to %s.\n\n", bulkOutputfile)
+
+		validateClientIDs(bulkInputfile, bulkOutputfile)
+	},
+}
+
+func init() {
+	authCmd.AddCommand(authBulkCmd)
+
+	authBulkCmd.Flags().StringVarP(&bulkInputfile, "inputfile", "i", "clients.csv", "CSV file with Displayname,ClientID, ClientSecret(optional)")
+	authBulkCmd.Flags().StringVarP(&bulkOutputfile, "outputfile", "o", "results.json", "File with the authentication results)")
+
+	authBulkCmd.MarkFlagRequired("inputfile")
+	authBulkCmd.MarkFlagRequired("outputfile")
+}
+
+func validateClientIDs(clientidsCSVFile string, outputfile string) {
+
+	//Create Result file
+	outfile, err := os.OpenFile(outputfile, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0640)
+	if err != nil {
+		fmt.Println(err)
+		panic(err)
+	}
+	defer outfile.Close()
+
+	tokch := make(chan authLogonResult, 20) // create a channel
+
+	//simple wait group
+	count := 0
+
+	file, err := os.Open(clientidsCSVFile)
+	if err != nil {
+		fmt.Println("*** Error opening file", err)
+	}
+	defer file.Close()
+
+	csvLines, err := csv.NewReader(file).ReadAll()
+	if err != nil {
+		fmt.Println(err)
+	}
+	for _, line := range csvLines {
+
+		// for _, line := range utils.ReadFileAsStringArray(clientidsCSVFile) {
+		//comp := strings.Split(line, ",")
+		if len(line) < 2 {
+			fmt.Println("*** Error: Incorrect csv format. Need DisplayName,ClientID.")
+			return
+		}
+
+		authDisplayName := line[0]
+		authClientID := line[1]
+		authClientSecret := ""
+		// if len(line) > 2 { //secret is most likely not included (also not needed)
+		// 	authClientSecret = line[2]
+		// }
+
+		conf := &models.OAuth2Config{
+			Username:      authUsername,
+			Password:      authPassword,
+			ClientID:      authClientID,
+			ClientSecret:  authClientSecret,
+			Scopes:        authScopes,
+			TokenEndpoint: utils.GetAzureTokenEndpoint(authTenant),
+		}
+
+		//go ropcAuthenticate(tokch, conf, "")
+		go logon(tokch, conf, authDisplayName)
+
+		//go ropcAuthenticate(tokch, conf, authDisplayName)
+		//go logon(tokch, conf, authDisplayName)
+
+		count++
+
+		if count%20 == 0 {
+			fmt.Printf("\033[2K\rIssuing Requests...~%d", count)
+		}
+	}
+
+	table := tablewriter.NewWriter(os.Stdout)
+	table.SetAutoWrapText(true)
+	table.SetAutoFormatHeaders(false)
+	table.SetHeader([]string{"displayName", "appId", "result", "scope"})
+
+	fmt.Println("\nWaiting for results...")
+
+	//collect results
+	for i := 0; i < count; i++ {
+		result := <-tokch
+		t := result.Token
+
+		//Authenticate
+		//t, err := ropcAuthenticate(conf, displayName)
+		if t.Error != "" {
+
+			table.Append([]string{t.DisplayName, t.ClientID, "error", ""})
+			//fmt.Printf("%s, %s, %s\n", t.DisplayName, t.ClientID, "Error")
+			//t.Error = err.Error()
+
+			line, err := json.MarshalIndent(t, "", "  ")
+			if err != nil {
+				fmt.Println("*** Error: Marshal ", err)
+			}
+
+			c, err := outfile.WriteString(string(line))
+			if err != nil {
+				fmt.Printf("*** Error: outfile %v,%v\n\n", c, err)
+			}
+
+			continue
+		}
+
+		s := strings.Replace(t.Scope, "00000003-0000-0000-c000-000000000000/", "", -1)
+		// s = strings.Replace(s, " ", "\n", -1)
+
+		if utils.Verbose {
+			table.Append([]string{t.DisplayName, t.ClientID, "success", s, t.AccessToken})
+		} else {
+			table.Append([]string{t.DisplayName, t.ClientID, "success", s})
+		}
+
+		line, _ := json.Marshal(t)
+		outfile.WriteString(string(line))
+	}
+
+	table.Render()
+
+	fmt.Println("\nDone. ")
+	fmt.Printf(`You could now run the following command to analyze valid tokens and there scopes:
+$ cat %s | jq -r 'select (.access_token!="") | [.display_name,.scope] | @csv'`, outputfile)
+	fmt.Println("\nHappy Hacking.")
+
+}