Malware and malicious code

Secure shell (SSH) network protocol is used for...

• secure data communication

• remote command execution

• remote command-line login

• all of the mentioned

Which command is used to set an environment variable in a bash terminal?

• export

• set

• echo

• none of the mentioned

Adware is a type of...

• virus

• worm

• trojan

• botnet

A collection of infected computers receiving commands from a remote system is called...

• trojans

• botnet

• rootkit

• dark net

Which is a framework used for developing and executing exploits?

• Hydra

• OWASP

• Bash

• Metasploit

Signature-based anti-malware detection is based on...

• whitelisting

• blacklisting

Shikata Ga Nai is...

• a hashing algorithm

• a payload targeted at Windows machines

• a remote access trojan (RAT)

• an encoder used to obfuscate malicious payloads

These malwares copy themselves to other computers

• trojans

• worms

• viruses

• rootkits

These malwares encrypt files on the victim computers and demand a payment to regain access

• Scareware

• Spyware

• Ransomware

• Adware

What are the most common computer security threats (choose two)?

• Malware

• Weak passwords

• Vulnerabilities

• Spam and mail phishing