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Nuclei Templates

nawk - Privilege Escalation

ID: privesc-nawk

Severity: high

Author: daffainfo

Tags: code,linux,nawk,privesc,local

Description

Section titled “Description”

nawk is an implementation of the AWK programming language. It is a text-processing language that is commonly used for pattern scanning and processing of text files. nawk provides powerful features for data extraction, reporting, and manipulation, making it a valuable tool for text processing tasks in shell scripts and command-line environments.

YAML Source

Section titled “YAML Source”
id: privesc-nawk


info:
  name: nawk - Privilege Escalation
  author: daffainfo
  severity: high
  description: |
    nawk is an implementation of the AWK programming language. It is a text-processing language that is commonly used for pattern scanning and processing of text files. nawk provides powerful features for data extraction, reporting, and manipulation, making it a valuable tool for text processing tasks in shell scripts and command-line environments.
  reference:
    - https://gtfobins.github.io/gtfobins/nawk/
  metadata:
    verified: true
    max-request: 3
  tags: code,linux,nawk,privesc,local


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


  - engine:
      - sh
      - bash
    source: |
      nawk 'BEGIN {system("whoami")}'


  - engine:
      - sh
      - bash
    source: |
      sudo nawk 'BEGIN {system("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
# digest: 4b0a00483046022100afce61790c5027e0b4a81e0506e18ad07ac5e8c2c8218f625514bb20d62be2d3022100f2f585eaa88f7f5ae2eb2cd635445b7f5c59889f47a6107636cf1a0b60c3d149:922c64590222798bb761d5b6d8e72950

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-nawk.yaml"

View on Github