nuclei-templates/code/privilege-escalation/linux/binary/privesc-bash.yaml

id: privesc-bash

info:
  name: Bash - Privilege Escalation
  author: daffainfo
  severity: high
  description: |
    Bash is a Unix shell and command language written by Brian Fox for the GNU Project as a free software replacement for the Bourne shell. The shell's name is an acronym for Bourne Again Shell, a pun on the name of the Bourne shell that it replaces and the notion of being born again.
  reference:
    - https://gtfobins.github.io/gtfobins/bash/
  metadata:
    verified: true
    max-request: 3
  tags: code,linux,bash,privesc,local

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

  - engine:
      - sh
      - bash
    source: |
      bash -c 'whoami'

  - engine:
      - sh
      - bash
    source: |
      sudo bash -c '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")'
        condition: or
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