Basic

• append our command to the required input to see if there is a change in the output.

Command Injection Methods

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Injecting

• check for front end validation
• bypass it using burp suite
• eg: 127.0.0.1; whoami

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Other operators

• AND: && - this will execute both the commands.
  • dont forget to encode while sending the request
• OR: || this will see if either 1 command is executed
  • if the first command is executed, it wont execute the second command.
• Newline: %0d%0a - use Enter on keyboard in Burp
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