Path Traversal Exploitation Attempts — Sigma Rule

Rule metadata and linked tags

Author: Subhash Popuri (@pbssubhash), Florian Roth (Nextron Systems), Thurein Oo, Nasreddine Bencherchali (Nextron Systems). Source status: test; severity: medium. Source dates: 2021-09-25 / 2023-08-31.

{
  "category": "webserver"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: ef44386f251d80a464d99bfc922b1769bd83c3ebe0deebbc92bdbe054b8c1a6c

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Path Traversal Exploitation Attempts
id: 7745c2ea-24a5-4290-b680-04359cb84b35
status: test
description: Detects path traversal exploitation attempts
references:
    - https://github.com/projectdiscovery/nuclei-templates
    - https://book.hacktricks.xyz/pentesting-web/file-inclusion
author: Subhash Popuri (@pbssubhash), Florian Roth (Nextron Systems), Thurein Oo, Nasreddine Bencherchali (Nextron Systems)
date: 2021-09-25
modified: 2023-08-31
tags:
    - attack.initial-access
    - attack.t1190
logsource:
    category: webserver
detection:
    selection:
        cs-uri-query|contains:
            - '../../../../../lib/password'
            - '../../../../windows/'
            - '../../../etc/'
            - '..%252f..%252f..%252fetc%252f'
            - '..%c0%af..%c0%af..%c0%afetc%c0%af'
            - '%252e%252e%252fetc%252f'
    condition: selection
falsepositives:
    - Expected to be continuously seen on systems exposed to the Internet
    - Internal vulnerability scanners
level: medium

Original YAML and metadata in JSON

False positives

• Expected to be continuously seen on systems exposed to the Internet
• Internal vulnerability scanners

Source references

• https://github.com/projectdiscovery/nuclei-templates
• https://book.hacktricks.xyz/pentesting-web/file-inclusion