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What kind of ICMP message can be used by threat actors to perform network reconnaissance and scanning attacks?

  • ICMP redirects
  • ICMP unreachable
  • ICMP mask reply
  • ICMP router discovery
Answers Explanation & Hints:

Common ICMP messages of interest to threat actors include the these:
ICMP echo request and echo reply: used to perform host verification and DoS attacks
ICMP unreachable: used to perform network reconnaissance and scanning attacks
ICMP mask reply: used to map an internal IP network
ICMP redirects: used to lure a target host into sending all traffic through a compromised device and create a man-in-the-middle attack
ICMP router discovery: used to inject bogus route entries into the routing table of a target host

For more Questions and Answers:

CyberOps Associate v1.0 & CA 1.02 Practice Final Exam Answers Full 100%

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