HTTP requests from commercial security scanner

Classification:

attack

Tactic:

TA0001-initial-access

Technique:

T1190-exploit-public-facing-application

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Goal

Detect high-volume HTTP traffic from known commercial security scanners or scanner-related callback domains.

Strategy

This rule monitors OCSF HTTP requests for user agents and URL or header values associated with commercial scanning products, grouped by @ocsf.src_endpoint.ip.

Triage and response

  • Determine if {{@ocsf.src_endpoint.ip}} belongs to an approved vendor scan or bug bounty program.
  • If not authorized, review targeted applications and whether sensitive paths or credentials were involved.