Skip to content

Create headers_kagoya.yml #3328

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 2 commits into
base: main
Choose a base branch
from
Open

Create headers_kagoya.yml #3328

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
c7d57a2
Create headers_kagoya.yml
markmsublime Oct 1, 2025
1aa6df8
Auto add rule ID
Oct 1, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
17 changes: 17 additions & 0 deletions detection-rules/headers_kagoya.yml
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,17 @@
name: "Headers: Kagoya domain in routing"
description: "Message contains kagoya.net domain in the email headers, indicating routing through Kagoya Internet Routing services."
type: "rule"
severity: "medium"
source: |
type.inbound
and any(headers.domains, .root_domain == "kagoya.net")
tags:
- "Attack surface reduction"
attack_types:
- "Credential Phishing"
- "Malware/Ransomware"
tactics_and_techniques:
- "Evasion"
detection_methods:
- "Header analysis"
id: "757dc3e1-7264-5509-9af1-7d44dd2e00d8"