[SignatureBot] Add or update signature nucleitemplates_leadpages-takeover.yml

[liquidsec]

Add or update signature: nucleitemplates_leadpages-takeover.yml

This PR adds or updates the follow signature:

identifiers:
  cnames: []
  ips: []
  nameservers: []
  not_cnames: []
matcher_rule:
  matchers:
  - dsl:
    - Host != ip
    type: dsl
  - condition: or
    part: body
    type: word
    words:
    - <h1>We couldn't find that page</h1>
    - "The page you\u2019re looking for may have been moved"
    - Double-check that you have the right web address and give it another go!
  matchers-condition: and
mode: http
service_name: Leadpages takeover detection
source: nucleitemplates

[liquidsec]

Test results:

Signature Pass: true :heavy_check_mark:

[liquidsec]

Test results:

Signature Pass: true :heavy_check_mark: