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Perl - Privilege Escalation

ID: privesc-perl

Severity: high

Author: daffainfo

Tags: code,linux,perl,privesc,local

Description

Section titled “Description”

Perl is a high-level, general-purpose programming language known for its powerful text processing capabilities. It is often used for system administration, web development, and network programming. Perl’s syntax and features make it well-suited for tasks such as parsing and manipulating text, making it a popular choice for various scripting and automation tasks.

YAML Source

Section titled “YAML Source”
id: privesc-perl


info:
  name: Perl - Privilege Escalation
  author: daffainfo
  severity: high
  description: |
    Perl is a high-level, general-purpose programming language known for its powerful text processing capabilities. It is often used for system administration, web development, and network programming. Perl's syntax and features make it well-suited for tasks such as parsing and manipulating text, making it a popular choice for various scripting and automation tasks.
  reference:
    - https://gtfobins.github.io/gtfobins/perl/
  metadata:
    verified: true
    max-request: 4
  tags: code,linux,perl,privesc,local


self-contained: true
code:
  - engine:
      - sh
      - bash
    source: |
      whoami


  - engine:
      - sh
      - bash
    source: |
      perl -e 'exec "whoami";'


  - engine:
      - sh
      - bash
    source: |
      sudo perl -e 'exec "whoami";'


  - engine:
      - sh
      - bash
    source: |
      perl -e 'use POSIX qw(setuid); POSIX::setuid(0); exec "whoami";'


    matchers-condition: and
    matchers:
      - type: word
        part: code_1_response
        words:
          - "root"
        negative: true


      - type: dsl
        dsl:
          - 'contains(code_2_response, "root")'
          - 'contains(code_3_response, "root")'
          - 'contains(code_4_response, "root")'
        condition: or
# digest: 4a0a00473045022024a9a58b297aaab3fe3fa859fc3460822975c172e8ef3c94ed73254ccf5cc2c202210081d1198ace6df419451923f3307228fac89dafb9c29d251234597a53ed4d4202:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "code/privilege-escalation/linux/binary/privesc-perl.yaml"

View on Github