kali对DC-1的渗透

灰太狼 2023-07-07 05:49 11阅读 0赞

*受疫情影响，我敲代码的地方从学校换到了家里，在家里无聊的实在学不下新东西，所以把前段时间对DC-1靶机渗透的一些截图稍微整理了一下*（可能有些内容在大佬面前是废话，小儿科的东西也截了出来，而一些重点没有截到， 不过这就是一个初入kali的新手写的东西）

首先，使用arp-scan 扫描整个网段，发现目标地址![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70]  
然后用 nmap 进行端口和服务扫描  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70 1]  
根据扫描结果，访问 80 端口的 http，寻找可利用的信息![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70 2]  
启动nikto扫描，开启msf，使用msf自带的漏洞扫描drupal  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70 3]  
逐一尝试，寻找可用漏洞  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70 4]

## 使用sysinfo查看版本信息，getuid查看权限，进入shell用python的pty库建立一个稳定连接在/var/www目录里发现flag1.txt文件 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70 5]  
根据flag1的提示，发现应该去config配置文件里查找信息，因为作为新手，本人不知道配置文件在哪个目录下，所以百度  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70 6]  
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## 在sites/default里的settings.php文件里发现flag2 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70 8]  
在settings.php 文件里不但发现flag2，还发现了数据库的账号、密码分别是dbuser、R0ck3t  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70 9]  
使用suid提权，找到一个属于root的具有s权限的文件；

find / -user root -perm 4000 -print 2>/dev/null
    find / -perm -u=s -type f 2>/dev/null

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70 10]

find test -exec '/bin/sh' \;     //提权

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70 11]  
根据发现的账号、密码进入数据库  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70 12]  
![在这里插入图片描述][20200221140355600.png]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70 13]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70 14]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70 15]  
查找相关资料，将账号为fred的密码改为drupal

update users set pass='08d15a4aef553492d8971cdd5198f314' where uid=2;

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70 16]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70 17]  
但是把密码改成drupal后还是登录失败，不知道是不是密文错误的原因  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70 18]  
于是又搜了一下，找到了123456的密文  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70 19]  
重复上一步操作，将密码改为123456，登录成功。  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70 20]

## 登录成功后，随意浏览网站，发现了flag3 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70 21]

## 在主目录下查找名字含有flag的文件，找到了/home/flag4目录下的flag4.txt文件 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70 22]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70 23]  
flag4.txt文件里提示线索在root目录下

## 果然在root目录下成功找到thefinalflag.txt文件 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70 24]

## 最后 ##

本次dc\_1靶机的渗透本应到此结束  
但是我在 shell 中查看/etc/passwd，发现存在 flag4 用户 ，这是个彩蛋吗？  
使用/etc/shadow 查看用户口令，发现 flag4 用户口令存在加密的登录口令  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70 25]  
准备暴力破解flag4的密码，而查到kali 自带字典目录 在/usr/share/wordlists  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70 26]  
因为第一次把l看成了1，第二次字典名少了个s  
所以第三次才成功，破解得到账号为flag4，密码为orange  
用 flag4/orange 登录 ，查找flag文件，并没有发现新的文件  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NTY2MzkwNQ_size_16_color_FFFFFF_t_70 27]  
好吧，本次渗透真的到此结束了

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