Evasion: Credential phishing with newly registered domain redirecting to Wikipedia
Flags inbound messages where natural language understanding detects credential theft intent in the message body, combined with a link pointing to a domain registered within the last 30 days that resolves to Wikipedia, indicating evasion of link analysis through a benign-looking redirect destination.
Sublime rule (View on GitHub)
1name: "Evasion: Credential phishing with newly registered domain redirecting to Wikipedia"
2description: "Flags inbound messages where natural language understanding detects credential theft intent in the message body, combined with a link pointing to a domain registered within the last 30 days that resolves to Wikipedia, indicating evasion of link analysis through a benign-looking redirect destination."
3type: "rule"
4severity: "medium"
5source: |
6 type.inbound
7 and any(ml.nlu_classifier(body.current_thread.text).intents,
8 .name == 'cred_theft' and .confidence != 'low'
9 )
10 and any(body.current_thread.links,
11 network.whois(.href_url.domain).days_old < 30
12 and ml.link_analysis(.).effective_url.url in (
13 'https://www.wikipedia.org/'
14 )
15 )
16attack_types:
17 - "Credential Phishing"
18tactics_and_techniques:
19 - "Evasion"
20 - "Social engineering"
21detection_methods:
22 - "Natural Language Understanding"
23 - "URL analysis"
24 - "Whois"
25id: "ae1f1fa1-bd08-571a-bf8a-18fafc73c064"