26
Feb
2012

CODEGATE 2012 – Network 200

Challenge description

To whom it may concern to DoS attack.

What is the different between attack and normal traffic?
Attached PCAP file is from suspicious client PC which may be infected.
If you find TOP 4 targeting address, let me know exactly information such as below.

Answer: COUNTRY_NAME_TOP1(3)COUNTRY_NAME_TOP2(13)COUNTRY_NAME_TOP3(2)COUNTRY_NAME_TOP4(5)_1.1.1.1_2.2.2.2_3.3.3.3_4.4.4.4

EX)
kind_1.1.1.1_2.2.2.2_3.3.3.3_4.4.4.4
TOP1 1.1.1.1 __k___
TOP2 2.2.2.2 ____________i___
TOP3 3.3.3.3 _n___
TOP4 4.4.4.4 ____d____

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