sublimelowRule

Link: Google Firebase dynamic link that redirects to new domain (<7 days old)

An attacker may use Google's Firebase Dynamic Links to redirect a user to a malicious site. This rule identifies Firebase Dynamic Links where the destination domain is less than a week old.

MITRE ATT&CK

T1566 T1566.001 T1566.002 T1598 T1204.002 T1486 T1036 T1027

defense-evasion

Detection Query

type.inbound
and any(body.links,
        .href_url.domain.root_domain =~ "goo.gl"
        and strings.icontains(.href_url.domain.domain, "app")
        and any(ml.link_analysis(.).redirect_history,
                network.whois(.domain).days_old < 7
        )
)

Author

ajpc500

Data Sources

Email MessagesEmail HeadersEmail Attachments

Platforms

Raw Content

name: "Link: Google Firebase dynamic link that redirects to new domain (<7 days old)"
description: |
  An attacker may use Google's Firebase Dynamic Links to redirect a user to a malicious site. 
  This rule identifies Firebase Dynamic Links where the destination domain is less than a week old.
type: "rule"
authors:
  - twitter: "ajpc500"
severity: "low"
source: |
  type.inbound
  and any(body.links,
          .href_url.domain.root_domain =~ "goo.gl"
          and strings.icontains(.href_url.domain.domain, "app")
          and any(ml.link_analysis(.).redirect_history,
                  network.whois(.domain).days_old < 7
          )
  )
attack_types:
  - "Credential Phishing"
  - "Malware/Ransomware"
tactics_and_techniques:
  - "Evasion"
detection_methods:
  - "URL analysis"
  - "Whois"
id: "5a204a37-3120-53c1-a55a-5f4f09c61dc4"