# Cybersecurity Guide


  • HASH
  • [CRC-32] [MD5] [SHA-1] [SHA-256] [SHA-512]
  • ENCODING / DECODING
  • [Base16(enc)] [Base16(dec)] [Base64(enc)] [Base64(dec)] [URL(enc)] [URL(enc)(+ASCII)] [URL(dec)] [HTML_entity(enc)] [HTML_entity(dec)]
  • CONVERSION
  • [Hex] [Dec] [Oct] [Bin]

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  • ๐Ÿ”จ ONLINE TOOL
  • ๐Ÿšฉ WRITE-UP
  • ๐Ÿฐ CODE
  • ๐Ÿ“ฆ OTHER
    •  ๐Ÿน Tool
    •  ๐Ÿงช Simulation
    •  ๐Ÿ“„ Reference
    •  ๐Ÿ’พ Misc
  • Root me write-up : Logs analysis - web attack
    Root me write-up : Logs analysis - web attack
    This is a quiz to find flags in web server logs. The web server log contains the base64 encoding value in the order variable, and...
  • Root me write-up : Bash - System 2
    Root me write-up : Bash - System 2
    It looks like that it can be solved by changing the "ls" command to "cat". However, since there is no "-l" ...
  • Root me write-up : sudo - weak configuration
    Root me write-up : sudo - weak configuration
    Wishing to simplify the task by not modifying rights, the administrator has not thought about the side effects... The "~/ch1...
  • Root me write-up : Perl - Command injection
    Root me write-up : Perl - Command injection
    Retrieve the password stored in .passwd. There are .passwd, ch7.pl and setuid-wrapper files. This challenge seems to read the ....
  • Root me write-up : Command & Control - level 2
    Root me write-up : Command & Control - level 2
    When I unzip the downloaded file, a.dump file is created. The goal is to find the host name in this dump file. I used the "v...
  • How to call solidity functions with Web3, metamask library
    Public view/pure functions can be simply called. However, in other cases, you need to log in because of gas fee. It can be done with metamas...
  • Root me write-up : Bash - System 1
    Root me write-up : Bash - System 1
    Try to find your path padawan! "ch11" has SUID permission, and the "ls" command depends on the PATH env...
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