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Malicious Code


{LANG_NAVORIGIN} Malicious Code

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Newest Malicious Code White Papers

Protecting your network against email threats
This white paper explains why anti-virus software alone is not enough to protect your organization against the current and future onslaught of email viruses and threats. Examining the different kinds of email attacks and issues that threaten today's organizations, this paper describes the need for a solid server-based email security solution to safeguard your network.
By GFI Software, 06/23/2004


The corporate threat posed by email Trojans
Describing what Trojans are and why they pose a danger to corporate networks, this paper discusses the need and method to protect your network from the threat of Trojans.
By GFI Software, 06/23/2004


Malware - It's Getting Worse
The recent MyDoom Worm successfully infected enough victims in order to shut down SCO's web site, followed by new variants that targeted Microsoft's web site. This paper isn't intended to discuss the motives of the author, instead it will help you understand how worms enter your network, how you can block them before they even reach your internal network, and how to act in case they get in.
Dancho Danchev, 05/05/2004


The Complete Windows Trojans Paper
The Complete Trojans Text is a paper about Windows Trojans, how they work, their variations and, of course, strategies to minimise the risk of infection. Links to special detection software are included as well as many other topics never discussed before. This paper is not only intended to be for the average Internet/Windows user who wants to know how to protect his/her machine from Trojan Horses or just want to know about their usage, variations, prevention and future, but will also be interesting for the advanced user, to read another point of view.
Dancho Danchev, 05/05/2004


Viruses and how to protect yourself from them
A detailed introduction to viruses and how to protect against them by using practical techniques and anti-virus software. Some technical discussion at the end. Aimed at users on computers running Windows as opposed to network administrators. Description on securing Outlook Express against viruses covered in depth.
By Donal O'Driscoll, 05/03/2004


Peer-to-Peer File-Sharing Networks: Security Risks
The popular peer-to-peer (P2P) file-sharing networks, which have appeared in the past few years, are introduced. The rise and evolution of these networks is discussed, along with some of the reasons for their popularity. Then the security implications, to users’ computers, networks, and information, are examined. The status of P2P networks in business is discussed. A summary of the current state of the security risks of this technology is presented.
By William Couch, 04/30/2004


Spyware & Network Security
When dealing with network security, a security professional’s first concerns are who is trying to access the network and whether or not to allow access. The primary concerns are hackers, those who attack from the Internet or from the infrastructure. Additional major concerns are viruses, Trojans, worms, and other malicious codes. There is a type of malicious code that is rarely even given a second thought: Spyware.
By Lester D. Cheveallier, 04/30/2004


ELF Virus Writing HOWTO
Linux has remained remarkably virus-free for years, yet the anti-virus experts always warn that "malware" will target Linux next. In this paper, Alexander Bartolich taunts the anti-virus experts by writing detailed instructions about how to write a Linux virus, almost, but not quite writing the actual virus. This paper has been out for at least a year, and as long as 3 years, and we still don't see Linux viruses. Perhaps Bartolich is correct, and the anti-virus community is wrong.
One problem: Bartolich doesn't really attempt to explain why linux hasn't seen the kind of plague that Windows and Mac OS have.
By Alexander Bartolich, 04/27/2004


SPAN-027, The Father Christmas Worm Report
Definitive coverage of a December, 1988 DECNet worm, the "Father Christmas" or HI.COM worm. The worm itself has some interest: the author wrote it in DCL, the VAX/VMS scripting language, and the worm counts as one of the very few non-TCP/IP worms (Shoch and Hupp's Alto worms, and the other VMS worm "WANK/OILZ").

Father Christmas worm infected a DECNet network named "SPAN", run by NASA during the 80s. Information on the Father Christmas worm never got widely disseminated outside the VMS system admin circles, probably due to the hierarchical, need-to-know culture of those same VMS circles.

Take the report's numbers with a grain of salt: other authorities have a much smaller number of hosts connected to SPAN.
By Pat Sisson, 04/27/2004


A Platform Independent Computer Virus
A master's thesis on construction of a platform independent computer virus. Not as scary as it sounds, since the virus infects TeX documents, and uses GNU Emacs as a "help app", but it does serve to illustrate the point. Still, why haven't we seen TeX or troff macro viruses? Could it be that Unix/Linux/BSD aren't truly as susceptible as Windows/DOS is to file infector viruses?
By Keith Allen McMillan, 04/27/2004


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