The presentation is about scanning tools: packet sniffer and injection tools. how is this scanning tools are use which is describe in this presentation.
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Prensentation on packet sniffer and injection tool
1.
2. Network sniffing
• What is network sniffing.
• What is network sniffer used for?
• Disadvantages of network sniffer.
• Example of network sniffer.
Injection tools
• Injection
• Types of code injection
References
3.
4. WHAT IS NETWORK SNIFFING?
• Process of capturing, decoding, and analyzing network traffic
is called network sniffing.
• Network sniffing is a tool that can help you locate network
problems by allowing you to capture and view packet level
data on your network. The Colasoft Capsa Network sniffer is a
powerful network analyser
• A packet sniffer is a software application that uses a network
adapter card in promiscuous mode to capture all network
packets.
5. • Typical use of network sniffer is to analyze network traffic and
bandwidth utilization, so that underlying troubles in the network can
be identified.
• Analyze network problem.
• Detect network misuse by internal and external users.
• Gain information for effecting network intrusion.
• Spy on other network users and collect sensitive information such as log in details.
• Gather and report network statistics.
• Filter suspect content from network traffic.
• Verify internal control system effectiveness( firewall, web filter, access control).
.
WHAT IS NETWORK SNIFFING USED FOR ?
6. DISADVANTAGES OF NETWORK
SNIFFING
With positive uses there are also some negative uses.
Catching password, which is the main reason for most illegal uses of
sniffing tools.
Capturing special and private information of transaction, like username,
passwords, account.
Some sniffers can even modify target the computer’s information and
damage the system.
7. EXAMPLE OF NETWORK SNIFFERS
• TcpDump : command line packet analyzer(sniffer)
• winDump : port of tcpdump for windows.
• Wireshark : a GUI based alternative to tcpdump.
• Ettercap
• Hping
• Kismet : for wireless LANs
8.
9. INJECTION
• Injection refers to the process of interfering with an established
network connection, by means of constructing packets to appear
as if they are part of the normal communication stream.