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Create link_multiple_http_protocols_in_single_url.yml #3027

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13ec744
Create link_multiple_http_protocols_in_single_url.yml
morriscode Jul 31, 2025
b8d0d7a
Auto add rule ID
Jul 31, 2025
9363f87
Update link_multiple_http_protocols_in_single_url.yml
morriscode Jul 31, 2025
e460c34
Update link_multiple_http_protocols_in_single_url.yml
morriscode Jul 31, 2025
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19 changes: 19 additions & 0 deletions detection-rules/link_multiple_http_protocols_in_single_url.yml
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name: "Link: Multiple HTTP protocols in single URL"
description: "Detects messages containing links with 5 or more HTTP protocol declarations within a single URL, indicating potential URL manipulation or obfuscation techniques."
type: "rule"
severity: "medium"
source: |
type.inbound
and 0 < length(body.current_thread.links) < 10
and any(body.current_thread.links, regex.icount(.href_url.url, 'http(s)?(%)?[^a-z]') >= 5 and .visible)
tags:
- "Attack surface reduction"
attack_types:
- "Credential Phishing"
- "Malware/Ransomware"
tactics_and_techniques:
- "Evasion"
detection_methods:
- "Content analysis"
- "URL analysis"
id: "92f9d241-ebd2-53b8-9c67-6f9ec3e263b8"
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