Monday, January 16, 2023

Google Hacking

Google Search Operators:

Site:

ex: frenchpress site: starbucks.com


inurl:

site: starbucks.com inurl: admin

 

intext: 

site: starbucks.com intext: admin


intitle: 

site: starbucks.com intitle: login


filetype:

site: starbucks.com filetype: pdf


Search for: Google Hacking Database

https://www.exploit-db.com/google-hacking-database

Do QuickSearch for "webcam"

intitle:"WEBCAM 7" -inurl:/admin.html


Use "the Harvester" to get information from companies, such as emails and domains associated with the business. 


Reference:

Network  Chuck: Google Hacking

https://www.youtube.com/watch?v=hrVa_dhD-iA&t=187s

Wednesday, January 4, 2023

OSI Model



The layers of the OSI model:

Application

Such as YouTube.com, or whatever program or website you are using


Presentation 


Session 

Like choosing which shipping company to use to send a packet

- some common protocols are L2TP, RTCP, H.2US, and SOCKS


Transport (have segments)

- can use TCP (slow but reliable) or UDP (fast but unreliable)

    -- TCP initiated with 3-way handshake: SYN, SYN-ACK, ACK

- common ports used are: 443 - HTTPS, 21 - FTP, 22 - SSH, 3389 - RDP

- may use ephemeral ports, which are like temporary addresses


Network (have packets)


Data Link (have frames)


Physical 


References:

Images and notes are taken from Network Chuck: 

How the OSI model works on YouTube (application and transport layers): https://www.youtube.com/watch?v=oIRkXulqJA4