what is Virtualization what is Cloud Computing What are the Techniques that are used to Fingerprint the OS Running under Xen

3. What
WhenWhy
Virtualization
• creation of a virtual
version of something.
• subjectively a
complete machine
but objectively not.
• IBM early 50s
• Unix Users Workspace
• 1990 Application
Virtualization by java
“Stealth” project
• 1998 VMware
• Easily controlled
• Coast Effective
• Disaster recovery
• Server virtualization

4. Types of Virtualization
Virtualization Full virtualization
Para virtualization
• OS Runs on the Hypervisor as User level Process (Ring 3)
• Less Privileges
• No need to make changes to OS Code
• Trap and Emulate
• Modify Guest OS source
• OS can see Access hardware underneath Hypervisor
• OS know that it’s virtualized

6. What
When
Why
Where
• the practice of using a
network of remote
servers hosted on the
Internet to store,
manage, and process
data, rather than a local
server or a personal
computer.
• Started in the 1950s.
• 1990s virtualized
private network
connections.
Coast Effective
• Universal access.
• Environment
Friendly
• Flexible
• PaaS & IaaS.
• Private & Hybrid.
• Big Data Analytics.
• File Storage.
• Backup

8. Memory
Based
UFO
FS
Based
Network
Based

9. Network
Based
Getting IP
System
Status
Sending
Packets
AnalyzingComparing
OS
Detected

10. Network
Based Open ports for operation
ICMP and Modern Firewalls
Speed
Antifinger OS Solutions

11. File System
Based
Unknown FS
Not very accurate on non-
Linux OSs
Encryption

12. UFO
Generating
Signatures
Adding to
Database
Getting
Signatures
From
Target
Matching
OS
Detected

13. Memory
Based
OS
Detected
comparison
Computing
Hash
Separation
Dump
Memory

14. The End