Know More About Trojans and Backdoors
Wednesday, June 23, 2010
, Posted by "Fageria" at 10:29:00 AM
Know More About Trojans and Backdoors
A Trojan horse is an unauthorized program contained within a legitimate program. This unauthorized program performs functions unknown (and probably unwanted) by the user.
It is a legitimate program that has been altered by the placement of unauthorized code within it; this code performs functions unknown (and probably unwanted) by the user.
Any program that appears to perform a desirable and necessary function but that (because of unauthorized code within it that is unknown to the user) performs functions unknown (and definitely unwanted) by the user.
Working of Trojans:
It is a legitimate program that has been altered by the placement of unauthorized code within it; this code performs functions unknown (and probably unwanted) by the user.
Any program that appears to perform a desirable and necessary function but that (because of unauthorized code within it that is unknown to the user) performs functions unknown (and definitely unwanted) by the user.
Working of Trojans:
Attacker gets access to the trojaned system as the system goes online
By way of the access provided by the trojan attacker can stage attacks of different types.
Various Trojan Types
Remote Access Trojans
Password Sending Trojans
Keyloggers
Destructive
Denial Of Service (DoS) Attack Trojans
Proxy/Wingate Trojans
FTP Trojans
Software Detection Killers
Modes of Transmission
Attachments
Physical Access
Browser And E-mail Software Bugs
NetBIOS (File Sharing)
Fake Programs
Un-trusted Sites And Freeware Software
Backdoor Countermeasures
Most commercial ant-virus products can automatically scan and detect backdoor programs before they can cause damage (Eg. before accessing a floppy, running exe or downloading mail)
An inexpensive tool called Cleaner can identify and eradicate 1000 types of backdoor programs and trojans.
Educate your users not to install applications downloaded from the internet and e-mail attachments.
By way of the access provided by the trojan attacker can stage attacks of different types.
Various Trojan Types
Remote Access Trojans
Password Sending Trojans
Keyloggers
Destructive
Denial Of Service (DoS) Attack Trojans
Proxy/Wingate Trojans
FTP Trojans
Software Detection Killers
Modes of Transmission
Attachments
Physical Access
Browser And E-mail Software Bugs
NetBIOS (File Sharing)
Fake Programs
Un-trusted Sites And Freeware Software
Backdoor Countermeasures
Most commercial ant-virus products can automatically scan and detect backdoor programs before they can cause damage (Eg. before accessing a floppy, running exe or downloading mail)
An inexpensive tool called Cleaner can identify and eradicate 1000 types of backdoor programs and trojans.
Educate your users not to install applications downloaded from the internet and e-mail attachments.
© Fageria Infotechs
Manish Fageria.
www.fageria.info
+91-9462325353
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