FlashKeepers

IT Security · OSCP

Penetration Testing and OSCP Fundamentals

Reconnaissance, exploitation, and privilege escalation concepts for hands on penetration testing, distinct from the CEH terminology deck.

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What is the primary goal of the reconnaissance phase in penetration testing?
Gather information about the target system and network without triggering alerts or alarms.
What does OSINT stand for?
Open Source Intelligence.
What tool is used for DNS enumeration and reverse lookups?
nslookup, dig, or host.
What is Nmap primarily used for?
Network mapping and port scanning to discover hosts and services.
What Nmap flag performs a SYN scan?
-sS
What does a TCP connect scan (-sT) do in Nmap?
Completes the full three-way TCP handshake for each port to determine if it is open.
What Nmap flag scans for open UDP ports?
-sU
What is a common vulnerability scanning tool in penetration testing?
Nessus or OpenVAS.
Define exploitation in penetration testing.
The process of taking advantage of a vulnerability to gain unauthorized access or control.
What is privilege escalation?
The process of gaining higher-level permissions or access rights on a compromised system.
What is the sudo command in Linux used for?
Allow users to run commands with superuser or another user's privileges.
What is a SUID bit on a binary?
A permission bit that causes the binary to run with the owner's privileges regardless of who executes it.
What tools are commonly used for password cracking?
John the Ripper, Hashcat, or Hydra.
What is a wordlist in password attacks?
A file containing many common passwords or dictionary words used in dictionary or brute force attacks.
What is SQL injection?
Inserting malicious SQL code into input fields to manipulate database queries and bypass authentication.

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