Network Attacks

Question 1

Malware

Question 2

Spoofing

Question 3

Packet Sniffing

Answer 3

using hardware or software tools to capture and inspect data in transit

Question 4

Packet Flooding

Question 5

backdoors

Answer 5

eaknesses intentionally left by programmers or system and network administrators that bypass normal access control mechanisms

intended to help programmers conduct troubleshooting or administrative tasks.

Question 6

packet sniffing

Answer 6

using hardware or software tools to capture and inspect data in transit

Question 7

DDos attack

Answer 7

attack that targets a network or server and floods it with network traffic from multiple servers/computers

Question 8

DOS attack

Answer 8

like a ddos, but can be anything that stops the network from working

Question 9

TCP Handshake: Syn

Answer 9

A synchronize request from client to server to sync data flow

Question 10

TCP Handshake: Syn/Ack

Answer 10

An acknowledgement of the request to sync and agreement to procced

Question 11

TCP Handshake: Ack

Answer 11

A final message to acknowledge an open the sync from the client to the server

Question 12

ICMP DOS attack

Answer 12

attacker repeatedly sending ICMP packets to a server

Question 13

Syn flood DOS Attack

Answer 13

Flooding the server with syn requests to shut it down

Question 14

Ping of death

Answer 14

AN ICMP DOS attack where a single oversized (more than 64KB) ICMP packet is sent

Question 15

tcpdump

Answer 15

command-line network protocol analyzer

lightweight, converts key information about network traffic into formats easily read by humans

displays the source IP address, destination IP addresses, and the port numbers being used in the communications.

Question 16

tcpdump default

Answer 16

resolve host addresses to hostnames. It’ll also replace port numbers with commonly associated services that use these ports.

Question 17

botnet

Answer 17

collection of computers infected by malware that are under the control of a single threat actor, known as the “bot-herder.

Question 18

Passive Packet Sniffing

Answer 18

Data packets are read in transit

Question 19

Active Packet Sniffing

Answer 19

Packet is changed in transit

Question 20

IP Spoofing

Answer 20

Changing the source IP of a data packet to an authorized IP to gain to impersonate and gain access

Question 21

On-Path attack

Answer 21

Malicious actor places themselves in the middle of an authorized connection and alters the data in transit

Question 22

Replay attack

Answer 22

attacker receives a data packet in transit, then delays it or repeats it at another time

Question 23

Smurf attack

Answer 23

sniff someone’s IP address and then flood it with packets

Question 24

Network Interface Card

Answer 24

piece of hardware that connects the device to a network