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GTFOBins To Bypass Local Security Restrictions In Linux/Unix

  • This article discusses privilege escalation in Linux by using binaries like GTFOBins or GTFOBinaries.
  • GTFOBins provides a list of binaries and commands that can be exploited for privilege escalation.
  • GTFOBins also provides detailed information about each binary and the required user privileges for execution.
  • Privilege escalation involves exploiting vulnerabilities in a system to obtain higher levels of access.
  • There are two types of privilege escalation- horizontal and vertical.
  • Misconfigurations like improper SUID/SGID settings or over-privileged sudo rights can lead to security vulnerabilities.
  • GTFOBins is an open-source initiative and is constantly evolving to include the latest binaries and techniques.
  • Some possible ways to exploit SUID binaries include shared object injection and environment variable exploitation.
  • Improperly configured Sudo can also lead to privilege escalation.
  • Path injection and Linux capabilities misconfigurations can also be exploited for privilege escalation.

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