[DigitalForensic] with CTF - 원래 의미가 없는 것들도…

1. 개요

spam mimic 인코딩 문제

spam mimic은 메시지를 스팸으로 위장하는 인코딩 방법입니다.

 

2. 분석

스팸 메시지를 받습니다.

Dear Professional ; Especially for you - this cutting-edge 
intelligence ! If you no longer wish to receive our 
publications simply reply with a Subject: of "REMOVE" 
and you will immediately be removed from our club . 
This mail is being sent in compliance with Senate bill 
2216 ; Title 9 ; Section 304 ! This is not a get rich 
scheme ! Why work for somebody else when you can become 
rich inside 53 weeks ! Have you ever noticed people 
are much more likely to BUY with a credit card than 
cash & people love convenience . Well, now is your 
chance to capitalize on this . WE will help YOU sell 
more and deliver goods right to the customer's doorstep 
! You can begin at absolutely no cost to you . But 
don't believe us . Mrs Anderson who resides in Michigan 
tried us and says "I've been poor and I've been rich 
- rich is better" ! This offer is 100% legal . You 
will blame yourself forever if you don't order now 
. Sign up a friend and you'll get a discount of 70% 
! Thank-you for your serious consideration of our offer 
! Dear Sir or Madam ; Thank-you for your interest in 
our publication ! If you are not interested in our 
publications and wish to be removed from our lists, 
simply do NOT respond and ignore this mail ! This mail 
is being sent in compliance with Senate bill 2116 , 
Title 5 , Section 304 ! This is a ligitimate business 
proposal . Why work for somebody else when you can 
become rich inside 85 days ! Have you ever noticed 
how many people you know are on the Internet plus people 
are much more likely to BUY with a credit card than 
cash . Well, now is your chance to capitalize on this 
. We will help you SELL MORE plus increase customer 
response by 170% ! You are guaranteed to succeed because 
we take all the risk ! But don't believe us ! Mr Simpson 
who resides in Wyoming tried us and says "I was skeptical 
but it worked for me" . We assure you that we operate 
within all applicable laws ! If not for you then for 
your LOVED ONES - act now ! Sign up a friend and your 
friend will be rich too . Thank-you for your serious 
consideration of our offer .

 

여기에서 디코딩해줍니다.

https://www.spammimic.com/decode.cgi