type: trigger
format: 2.0
#debug: true
name: crowdsecurity/http-cve-2021-41773
description: "cve-2021-41773"
filter: |
  evt.Meta.log_type in ["http_access-log", "http_error-log"] and 
    (Upper(evt.Meta.http_path) contains "/.%2E/.%2E/"
      or
     Upper(evt.Meta.http_path) contains "/%2E%2E/%2E%2E")
groupby: "evt.Meta.source_ip"
blackhole: 2m
labels:
  type: scan
  remediation: true
