Wireshark for Ethical Hackers - 1

Wireshark for Ethical Hackers - 1

Outline

1. Prereq
2. Interface Overview
3. HTTP
4. Passwords
5. Blue Team
6. Wireless

Prerequisites

OSI Model

7 Layers of the OSI Model

Layer	Protocols
Application	End User layer HTTP, FTP, IRC, SSH, DNS
Presentation	Syntax layer SSL, SSH, IMAP, FTP, MPEG,JPEG
Session	Synch & send to port API's, Sockets, WinSock
Transport	End-to-end connections TCP, UDP
Network	Packets IP, ICMP, IPSec, IGMP
Data Link	Frames Ethernet, PPP, Switch, Bridge
Physical	Physical structure Coax, Fiber, Wireless, Hubs, Repeaters

OSI Wireshark

Protocols

Top Protocols

Port	Protocol
21	FTP
22	SSH
23	Telnet
53	DHCP
80	HTTP
443	HTTPS
-	ICMP
-	ARP

Packet Header

Opcodes

Opcode	ARP Message
1	ARP Request
2	ARP Reply
3	RARP Request
4	RARP Reply
5	DRARP Request
6	DRARP Reply
7	DRARP Error
8	InARP Request
9	InARP Reply