48 lines
1.2 KiB
YAML
48 lines
1.2 KiB
YAML
id: privesc-stdbuf
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info:
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name: stdbuf - Privilege Escalation
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author: daffainfo
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severity: high
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description: |
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The stdbuf command is used to modify the buffering operations of another command. It can be used to adjust the input/output buffering of a command, which can be useful for controlling the flow of data and improving the performance of certain operations.
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reference:
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- https://gtfobins.github.io/gtfobins/stdbuf/
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metadata:
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verified: true
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tags: code,linux,stdbuf,privesc
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self-contained: true
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code:
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- engine:
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- sh
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- bash
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source: |
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whoami
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- engine:
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- sh
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- bash
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source: |
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stdbuf -i0 whoami
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- engine:
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- sh
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- bash
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source: |
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sudo stdbuf -i0 whoami
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matchers-condition: and
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matchers:
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- type: word
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part: code_1_response
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words:
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- "root"
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negative: true
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- type: dsl
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dsl:
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- 'contains(code_2_response, "root")'
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- 'contains(code_3_response, "root")'
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condition: or
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# digest: 4b0a004830460221009591ab6b38c91a906c3798218c576a7f436505855af6613249f6492274f30342022100e14a43caf3b2f7d9db3858ad0f0ce0c3cb2333ac56f5c3642c326db04dfc6bf4:922c64590222798bb761d5b6d8e72950 |