• Sublime Core Feed

Description

Detects ClickUp documents that contain external links to suspicious domains including new domains, free file hosts, URL shorteners, or links that redirect to phishing pages or contain captchas.

References

No references.

Sublime Security
Created Feb 27th, 2026 • Last updated Feb 27th, 2026
Source
type.inbound
and any(body.current_thread.links,
        .href_url.domain.domain == "doc.clickup.com"
        and (
          // landing page has been removed
          strings.istarts_with(ml.link_analysis(.).final_dom.display_text,
                               'This page is currently unavailable'
          )
          // inspection of links within the doc.clickup.com
          or any(filter(ml.link_analysis(.).final_dom.links,
                        .href_url.domain.root_domain != 'clickup.com'
                        and .href_url.domain.root_domain not in $org_domains
                 ),
                 (
                   // any of those links domains are new
                   network.whois(.href_url.domain).days_old < 30
                   // go to free file hosts
                   or .href_url.domain.root_domain in $free_file_hosts
                   or .href_url.domain.domain in $free_file_hosts

                   // go to free subdomains hosts
                   or (
                     .href_url.domain.root_domain in $free_subdomain_hosts
                     // where there is a subdomain
                     and .href_url.domain.subdomain is not null
                     and .href_url.domain.subdomain != "www"
                   )
                   // go to url shorteners
                   or .href_url.domain.root_domain in $url_shorteners
                   or .href_url.domain.root_domain in $social_landing_hosts
                   or .href_url.domain.domain in $url_shorteners
                   or .href_url.domain.domain in $social_landing_hosts
                   // or the page has been taken down
                   or (
                     // find any links that mention common "action" words
                     regex.icontains(.display_text,
                                     '(?:view|click|show|access|download|goto|Validate|Va[il]idar|login|verify|account)'
                     )
                     and (
                       // and when visiting those links, are phishing
                       ml.link_analysis(., mode="aggressive").credphish.disposition == "phishing"

                       // hit a captcha page
                       or ml.link_analysis(., mode="aggressive").credphish.contains_captcha

                       // or the page redirects to common website, observed when evasion happens
                       or (
                         length(ml.link_analysis(., mode="aggressive").redirect_history
                         ) > 0
                         and ml.link_analysis(., mode="aggressive").effective_url.domain.root_domain in $tranco_10k
                       )
                     )
                   )
                 )
          )
        )
)
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