2023数字中国创新大赛-网络数据安全赛道-数据安全产业人才能力挑战赛-预赛wp

C2流量分析.1

EDR在一台机密计算机上检测到终止k4.exe进程的行为，取证人员取出来了该机器的镜像流量，请分析附件流量，回答对应问题。（注意：题目中的程序可能存在恶意操作，如果需要运行或调试，请在虚拟机中操作）

https://pan.baidu.com/s/1ldNxI6mMfduIxjtAOSMcZQ

附件下载提取码（GAME）备用下载

请提交Payload的完整下载地址。（答案示例：http://xxx.xxx.xxx/xxx）

http://imgcache.cloudservicesdevc.tk/picturess/2023/RDSv38.dll

C2流量分析.2

请提交Payload的SHA256哈希值。（字母大写，请根据流量内容作答）

右键将这个RDSv38.dll文件导出然后sha256即可

AA2CBD3103CECAF189F93D787C602679E156CC6FD90E22646D637F01C64222CF

n6IcHjmQUNOd6TxOkV6WRigEPUZFkO2TIu8cS6MRyrE=

Aj0S2EgsjOFd_JRsOjcBB_5-fZ1H-9tZVF67-qOWCbw=

Z-Ur0AYZQ9-nNO_O6j5B1slASR-YR2tsssycqHNc_so=

eBp92fUD7Lk_6qXR2pIjFt3sBH-lW0ul830S-sO6QCQ=

Erj5UoZfpxT47Bjpg8qg1XmMCKZyKBj1bJ0otszVZPk=

qkwNBcGK7ZcOrlKKcflivlyiatdAsb2u_sH_-IB5R_Y=

0smJ2LvvnQonNICFpjOF8CeuOcMIuYLNVbCDucWSVaw=

PS D:\vscodework> python3 -u "d:\vscodework\ctf\other\shujusai.py"
解密后信息： I'm a hacker.
PS D:\vscodework> python3 -u "d:\vscodework\ctf\other\shujusai.py"
解密后信息： This system has been hacked by me
PS D:\vscodework> python3 -u "d:\vscodework\ctf\other\shujusai.py"
解密后信息： Next, I want to obtain some data
PS D:\vscodework> python3 -u "d:\vscodework\ctf\other\shujusai.py"
加密前信息： test message
PS D:\vscodework> python3 -u "d:\vscodework\ctf\other\shujusai.py"
加密前信息： test message
PS D:\vscodework> python3 -u "d:\vscodework\ctf\other\shujusai.py"
加密前信息： test message
PS D:\vscodework> python3 -u "d:\vscodework\ctf\other\shujusai.py"
加密前信息： test message
解密后信息： 女,小美,500112202304217984,12222222222,111111111111,22222,333333
PS D:\vscodework> python3 -u "d:\vscodework\ctf\other\shujusai.py"
加密前信息： test message
解密后信息： e4 b8 80 e4 b8 aa 74 78 74 0a e5 95 86 e4 b8 9a e8 ae a1 e5 88 92 ef bc 88 e4 bb 85 e4 be 9b e5 86 85 e9 83 a8 ef bc 89 e6 ad a4 e5 a4 
84 e7 9c 81 e7 95 a5 35 77 e5 ad 97 0a
PS D:\vscodework> python3 -u "d:\vscodework\ctf\other\shujusai.py"
加密前信息： test message
解密后信息： bye??
PS D:\vscodework> python3 -u "d:\vscodework\ctf\other\shujusai.py"
加密前信息： test message
解密后信息： no!I finally want to transmit a flag
PS D:\vscodework> python3 -u "d:\vscodework\ctf\other\shujusai.py"
加密前信息： test message

fernet 解密，一直解就行解出来是一个图片

from cryptography.fernet import Fernet

# key = Fernet.generate_key()  # 生成密钥
# print(key)
key = "0smJ2LvvnQonNICFpjOF8CeuOcMIuYLNVbCDucWSVaw="
f = Fernet(key)  # 使用密钥实例化

message = "test message"
print('加密前信息：', message)

# token = f.encrypt(message.encode())
# print('加密后信息：', token.decode())
token = b'gAAAAABkGeI2QDhD2PlVFV2USJsTO2RxaUESQowz02khRfYI05-AiIFlDuP4HtLShGmGAXgKZ-sS5CXKfWv32mXJFUy7fItWPg=='

decrypt_message = f.decrypt(token).decode()
print('解密后信息：', decrypt_message)

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

flag:flag{a20cb3c9-141c-41c4-8255-0cd3eb95b681}

Beyond

未解答分值 : 500分

在某个国家级行动中，作为蓝队研判一哥的老张捕获到了一个神秘流量，直觉告诉他这不简单，于是他将这个流量保存了下来，你能协助他发现其中的秘密吗？

AreYouOK

在一次神秘行动中，特工老张的手机遭到了破坏，不过好在还有小米手环，组织向他的手环发送了行动指令，你能协助分析其中的秘密吗？flag格式为flag{Battery_Message}

附件下载提取码（GAME）备用下载

lose the key

未解答分值 : 157分

题目内容：lose my key，get my like。

附件下载提取码（GAME）备用下载

web

nooblog

未解答分值 : 500分

I am just a logic noob trying to talk logically.

附件下载提取码（GAME）备用下载

1、【提前下载】挑战区一.rar：https://pan.baidu.com/s/1js3lac6myNUN1LZ0Fvplig 提取码：GAME md5值：051dbbe806e36d921a579f3a1db16aba 挑战区二.zip：https://pan.baidu.com/s/119wfiZlc3yw11qMKZWuylQ 提取码：GAME md5值：c1fff7d2bb8fea7698157267dc16ca0d （解压密码将在比赛时对应题目描述里）