|
Trojan different from
the virus, usually does not infect documents, Trojans are often
used to gain backdoor access, steal passwords and important
documents. It can also be used to track and monitor computer,
control, view, edit information and other operations. Trojans
are highly concealed, sudden and offensive. Because the Trojans
are highly concealed, people often aware that they infected with
it after passwords stolen, confidential documents missing. The
following is the introduction of how to detect whether your
machine infected with a Trojan horse, and how to remove and
protect Trojan.
1.
Detects Trojan
The communication
between client and server of Trojan is usually with TCP, UDP and
ICMP protocol. Sax2 from Ax3soft is based on the analysis of
protocol and can accurate tracking
network connecting conversation and reorganize the TCP / IP data
of the communication. When it detect that your network in the
risk of Trojans, it will immediately suspended or interference
with communications of Trojan to protect your network from
attack. Why not
have a try? Sax2 will immediately upgrade it’s Security
Strategy Knowledge Base after finished installation. Below will
introduce how to use Sax2 to detect whether your system has
infected of the Trojan - gray pigeons.
First of all, launch and
run Sax2, switch to "EVENTS" pages. If there is gray pigeons
communication in your network, Sax2 will immediately report and
interrupt Trojan communications. See the picture:

2.
Remove Trojan
According to the
detected suspicion address listed the Event log you can find the
computer virus gray pigeons. In the previous picture, the source
address "192.168.1.3" is the Gray Pigeon in the Network Address.
http://www.366tian.net/soft/data/soft/875.html
3.
How to prevent the gray pigeons Trojan infection
A. Never execute
programs unless they are from a trusted source.
B. Never open e-mail
attachments unless you know who they're from, especially
attachments with the extensions .exe, .ink and .vbs.
C. Update your antivirus
and security software on a regular basis.
D. Install patches and
security updates for your Operating System and application
programs as they become available.
E. Beware of homemade
CDs and floppy disks. If you plan to use these disks in your
computer, scan them with your anti-virus software first.
F. Never accept programs
transferred by instant messaging applications.
|