49 lines
1.1 KiB
YAML
49 lines
1.1 KiB
YAML
id: privesc-yash
|
|
|
|
info:
|
|
name: Yash - Privilege Escalation
|
|
author: daffainfo
|
|
severity: high
|
|
description: |
|
|
yash is a POSIX-compliant command shell that aims to be a lightweight and efficient alternative to other shells such as Bash or Zsh.
|
|
reference:
|
|
- https://gtfobins.github.io/gtfobins/yash/
|
|
metadata:
|
|
verified: true
|
|
max-request: 3
|
|
tags: code,linux,yash,privesc,local
|
|
|
|
self-contained: true
|
|
code:
|
|
- engine:
|
|
- sh
|
|
- bash
|
|
source: |
|
|
whoami
|
|
|
|
- engine:
|
|
- sh
|
|
- bash
|
|
source: |
|
|
yash -c 'whoami'
|
|
|
|
- engine:
|
|
- sh
|
|
- bash
|
|
source: |
|
|
sudo yash -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
|
|
# digest: 490a004630440220407cbe43d57f1fdae8cb42d677464a71d661e4ad5e5f625a3c8046b40e9a7c2e0220090af158add8ff1477e2996116208ad71e0c659f5975505ecc9c7a4fee7d91fe:922c64590222798bb761d5b6d8e72950 |