.
Environment: NT4 SP6, Win 2000 SP1, Visual C++ 6.0
Overview
(continued)This program allows you to execute applications on remote systems without
installing any client software. You can start a command prompt or just execute a
command or exe on a remote machine. The only restriction is you must be an
administrator :(
Everybody knows the cool tools from Sysinternals (www.sysinternals.com). One
of my favorites are PSEXEC, PSKILL and PSLIST,... :)
I was always wonder how they could query every kind of information or execute
commands on a remote machine without installing any client software.
Features
- With this program you can run as many remote commands on the remote
machine as you want. (PSEXEC supports only one remote command on the
remote machine at the same time)
- You can execute internal commands (dir,..) directly.
xCmd.exe \\remote dir
- You can start a light "telnet" connection with a remote machine
without any telnet server
xCmd.exe \\remote cmd
Usage
xCmd v1.0 for NT4/2000 - executes commands remotely
Freeware! 2001 Zoltan Csizmadia, zoltan_csizmadia@yahoo.com
Usage: xCmd.exe \\computer [options] command/exe arguments
Options:
/D:directory
Set working directory
Default: Remote "%SystemRoot%\System32"
/IDLE
Idle priority class
/NORMAL
Normal priority class
/HIGH
High priority class
/REALTIME
Realtime priority class
/C
Copy the specified program to the remote machine's
"%SystemRoot%\System32" directory
Commands's exe file must be absolute to local machine
/USER:user
User for remote connection
/PWD:{password|*} Password for remote
connection
/NOWAIT
Don't wait for remote process to terminate
Examples:
xCmd.exe \\remote cmd
xCmd.exe \\remote /user:administrator dir c:\
xCmd.exe \\remote /user:somebody /pwd:* /d:d:\ test1.exe
/p1 /p2
xCmd.exe \\remote /c /user:somebody /pwd:* /d:d:\ test2.exe
/whatever
- Input is passed to remote machine when you press the ENTER.
- Ctrl-C terminates the remote process
- Command and file path arguments have to be absolute to remote machine
If you are using /c option, command exe file path must be absolute to
local machine, but the arguments must be absolute to remote machine
How does it work?
- The xCmd.exe is console application and when you start it, the program
will extract a xCmdSvc.exe from its resources.
- xCmd.exe creates a service on the remote machine (that's the reason, you
must be an administrator
- xCmd.exe starts the remote service (#2)
- xCmd.exe and xCmdSvc.exe will communicate via named pipes
- xCmd.exe send a packet to the service what to execute
- xCmdSvc.exe starts the command and redirect stdout, stderr, stdin to 3
named pipes.
- xCmd.exe listens these 3 named pipes (#6), redirect them to its stdout,
stderr, stdin
Notes
The executable is compiled and linked on Windows 2000 SP1, VC++ 6.0 SP4 and
in multithreaded DLL mode.
So if you get some errors, rebuild your executable from the source (xCmd.dsw).
Downloads
Download source code and Executable - 27 KB
All
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