Sigma rule: EvilTokens PhaaS Kit Phishing Related Request - Proxy

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-d661bc3a8ff1, updated 2026-04-28T00:00:00.000Z.

Rule

Title
EvilTokens PhaaS Kit Phishing Related Request - Proxy
Status
experimental
Level
low
Author
uniqu3-us3r
Date
2026-04-28
File
rules-emerging-threats/2026/Malware/EvilTokens/proxy_eviltokens_cloudflare_worker_request.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects outbound web proxy requests to URLs matching the EvilTokens Phishing-as-a-Service (PhaaS) kit infrastructure.
Specifically Cloudflare Workers and Railway.app domains used in OAuth device code authorization phishing attacks.
This indicates a user has clicked a phishing link.

Log source

category
proxy

Detection

selection:
    c-uri|re: '-[a-z0-9]{3}\.[a-z0-9-]{3,}-s-account\.workers\.dev|\.up\.railway\.app'
condition: selection

False positives (as the rule lists them)

  • Legitimate use of Cloudflare Workers or Railway.app domains

Tags

  • attack.initial-access
  • attack.t1566.002
  • detection.emerging-threats

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2026/Malware/EvilTokens/proxy_eviltokens_cloudflare_worker_request.yml

Sources and licences

  • SigmaHQ

    "EvilTokens PhaaS Kit Phishing Related Request - Proxy" by uniqu3-us3r (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2026/Malware/EvilTokens/proxy_eviltokens_cloudflare_worker_request.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: EvilTokens PhaaS Kit Phishing Related Request - Proxy",
entity page, dataset version ref-d661bc3a8ff1, updated 2026-04-28T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/e0e121d0-be4d-4281-af7e-17abbba4a408 (accessed 2026-11-03).
Underlying source: SigmaHQ rule e0e121d0-be4d-4281-af7e-17abbba4a408, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.