Wireshark for Ethical Hackers - 1
Wireshark for Ethical Hackers - 1
Outline
- Prereq
- Interface Overview
- HTTP
- Passwords
- Blue Team
- 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 |