Virtualization,Cloud

Computing, and OSF

Virtualization

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

Types of Virtualization

Virt

ualiz

ation

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

Cloud Computing

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

OS Fringprinting

Memory Based

UFO

FS Based

Network Based

OS Fingerprinting Techniques

Network Based

Getting IP System Status

Sending Packets

AnalyzingComparingOS Detected

Network Based Open ports for operation

ICMP and Modern Firewalls

Speed

Antifinger OS Solutions

File System Based

Unknown FS

Not very accurate on non-Linux OSs

Encryption

UFO

Generating Signatures

Adding to Database

Getting Signatures

From Target

Matching OS Detected

Memory Based

OS DetectedcomparisonComputing

HashSeparationDump Memory

The End