evasion attack

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question 18  
 

 The key idea of evasion attack is _______

 
Question options:
 

to make a bad checksum of each packet to pass through NIDS detection 

 

to hide data in Ack packet to pass through NIDS detection

 

to hide data in SYN packet to pass through NIDS detection

 

to hide data in FIN packet to cheat NIDS

 

Question 20  
 

 Which one is not the issue of the following captured network traffic?

 

 

 
Question options:
 

Same fragmentation ID

 

there is no initial fragment

 

overlapped offset

 

there is no final fragment

12:01:12.150572 dos.com > 192.168.133.0:
(frag 54050:1480@4440+)
12:01:17.560572 dos.com > 192.168.133.0: (frag 54050:1480@2960+)
12:01:17.570572 dos.com > 192.168.133.0: (frag 54050:1480@4440+)
12:01:22.200572 dos.com > 192.168.133.0: (frag 54050:1480@1480+)
12:01:22.210572 dos.com > 192.168.133.0: (frag 54050:1480@2960+)
12:01:22.220572 dos.com > 192.168.133.0: (frag 54050:1480@4440+)
12:01:22.230572 dos.com > 192.168.133.0: (frag 54050:1480@5920+)
12:01:27.240572 dos.com > 192.168.133.0: (frag 54050:1480@2960+)
12:01:27.250572 dos.com > 192.168.133.0: (frag 54050:1480@5920+)
12:01:37.230572 dos.com > 192.168.133.0: (frag 54050:1480@1480+)
12:01:37.240572 dos.com > 192.168.133.0: (frag 54050:1480@2960+)
12:01:37.240572 dos.com > 192.168.133.0: (frag 54050:1480@4440+)
12:01:37.250572 dos.com > 192.168.133.0: (frag 54050:1480@5920+)
12:01:42.300572 dos.com > 192.168.133.0: (frag 54050:1480@1480+)
Transcribed Image Text:12:01:12.150572 dos.com > 192.168.133.0: (frag 54050:1480@4440+) 12:01:17.560572 dos.com > 192.168.133.0: (frag 54050:1480@2960+) 12:01:17.570572 dos.com > 192.168.133.0: (frag 54050:1480@4440+) 12:01:22.200572 dos.com > 192.168.133.0: (frag 54050:1480@1480+) 12:01:22.210572 dos.com > 192.168.133.0: (frag 54050:1480@2960+) 12:01:22.220572 dos.com > 192.168.133.0: (frag 54050:1480@4440+) 12:01:22.230572 dos.com > 192.168.133.0: (frag 54050:1480@5920+) 12:01:27.240572 dos.com > 192.168.133.0: (frag 54050:1480@2960+) 12:01:27.250572 dos.com > 192.168.133.0: (frag 54050:1480@5920+) 12:01:37.230572 dos.com > 192.168.133.0: (frag 54050:1480@1480+) 12:01:37.240572 dos.com > 192.168.133.0: (frag 54050:1480@2960+) 12:01:37.240572 dos.com > 192.168.133.0: (frag 54050:1480@4440+) 12:01:37.250572 dos.com > 192.168.133.0: (frag 54050:1480@5920+) 12:01:42.300572 dos.com > 192.168.133.0: (frag 54050:1480@1480+)
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