Executable extensions

its really simple, install a virus checker and tell them DONT OPEN ANY ATTACHMENTS YOU ARE NOT EXPECTING REGARDLESS OF WHO THEY COME FROM!

preferable in capital letters like that....

.lnk

Just don't let them anywhere near it

I found this list on the Microsoft website of viral risk files.

File extension  	File type
.ade 	Microsoft Access project extension
.adp 	Microsoft Access project
 app 	Microsoft Visual FoxPro application (blocked only in Outlook 2002 SP-2 and Outlook 2000 SP-3)
.asx 	Windows Media Audio or Video shortcut (blocked only in Outlook 2002 builds earlier than 10.0.3005.x)
.bas 	Visual Basic class module
.bat 	Batch file
.cer 	(blocked only in Outlook 2003 and later)
.chm 	Compiled HTML Help file
.cmd 	Windows NT Command script
.com 	MS-DOS program
.cpl 	Control Panel extension
.crt 	Security certificate
.csh 	KornShell script file (blocked only in Outlook 2002 SP-2  and Outlook 2000 SP-3 and later)
.exe 	Program
 fxp 	Microsoft Visual FoxPro compiled program (blocked only in Outlook 2002 SP-2  and Outlook 2000 SP-3 and later)
.hlp 	Help file
.hta 	HTML program
.inf 	Setup  Information
.ins 	Internet Naming Service
.isp 	Internet Communication settings
.js 	JScript Script file
.jse 	Jscript Encoded Script file
.ksh 	KornShell script file (blocked only in Outlook 2002 SP-2  and Outlook 2000 SP-3 and later)
.lnk 	Shortcut
.mda 	Microsoft Access add-in program (blocked only in Outlook 2002 and a patched version of Outlook 2000)
.mdb 	Microsoft Access program
.mdt 	Microsoft Access workgroup information (blocked only in Outlook 2002 SP-1  and Outlook 2000 SP-3 and later)
.mdw 	Microsoft Access workgroup information (blocked only in Outlook 2002 SP-1  and Outlook 2000 SP-3 and later)
.mde 	Microsoft Access MDE database
.mdz 	Microsoft Access wizard program (blocked only in Outlook 2002 and a patched version of Outlook 2000)
.msc 	Microsoft Common Console document
.msi 	Windows Installer package
.msp 	Windows Installer patch
.mst 	Visual Test source files
.ops 	Office XP settings (blocked only in Outlook 2002 SP-1 and  and Outlook 2000 SP-3 later)
.pcd 	Photo CD image
.pif 	Shortcut to MS-DOS program
.prf 	Microsoft Outlook profile settings (blocked only in Outlook 2002)
 prg 	Microsoft Visual FoxPro program (blocked only in Outlook 2002 SP-2  and Outlook 2000 SP-3)
pst 	Microsoft Outlook Personal Folders file (blocked only in Outlook 2000 SP-3)
.reg 	Registration entries
.scf 	Windows Explorer command (blocked only in Outlook 2002)
.scr 	Screen saver
.sct 	Windows Script Component
.shb 	Shell Scrap Object
.shs 	Shell Scrap Object
.url 	Internet shortcut
.vb 	VBScript file
.vbe 	VBScript encoded script file
.vbs 	Visual Basic Script file
.wsc 	Windows Script Component
.wsf 	Windows Script file
.wsh 	Windows Script Host Settings file

[edited by - __Daedalus__ on May 6, 2004 5:25:31 PM]

WhoTF sends Korn scripts as attachments?

Another important one is .vbs, also .js sometimes.

Pretty much don''t open anything without virus check, unless you''re expecting it. And MAKE SURE your explorer is set not to hide extensions. That screws everything up.

quote:

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Original post by Promit
Another important one is .vbs, also .js sometimes.

Pretty much don''t open anything without virus check, unless you''re expecting it. And MAKE SURE your explorer is set not to hide extensions. That screws everything up.

---

They are in the list.

It might be much simpler to give them a list of file types which they *can* open, that'll pretty much amount to bmp, gif and jpeg. Maybe excel and word documents, but even they can carry viruses.

Edit: and make sure to tell them how to look out for dummy extensions, like funny_pic.bmp.exe

[edited by - PouyaCatnip on May 6, 2004 6:28:52 PM]

P:\inf5660>echo %PATHEXT%
.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.py;.tcl