SECOPS
Block Dropbox links hit from Tor exits and hosting ASNs
Flags Cloudflare hits on public Dropbox links that originate from Tor exit nodes, anonymizing VPNs, or datacenter ASNs, revokes the link.
How it runs
The automated pipeline, trigger to output.
- TriggerCloudflare access log event receivedCloudflare
- ActionEnrich request with ASN and Tor/VPN classification in AxiomAxiom
- LogicFlag Tor exit, VPN, or datacenter ASN sources
- ActionRevoke public access on the flagged Dropbox linkDropbox
- ActionAppend event to Axiom audit datasetAxiom
- OutputOpen GitLab issue for analyst confirmationGitLab
What it does
Inspects the network source of every Cloudflare hit against a public Dropbox link. Legitimate recipients almost never browse from Tor exits, anonymizing VPNs, or hosting-provider ASNs — so requests from those sources are treated as exfiltration attempts. The matching link is revoked and the event is logged.
When to use it
Use this when your Dropbox shares are meant for residential or corporate users and any access from anonymizing infrastructure should be assumed hostile. It complements geo-based detection by catching attackers who hide their true country.
How it works
- 1A Cloudflare access log event triggers the run.
- 2Axiom enriches each request with ASN, network type, and Tor/VPN classification.
- 3A logic step flags hits sourced from Tor exits, anonymizing VPNs, or datacenter ASNs.
- 4Dropbox revokes public access on the flagged share link.
- 5The anonymized-source event is appended to an Axiom audit dataset.
- 6A GitLab issue is opened so an analyst can confirm and close the case.
Set it up
What you configure once, before turning it on.
- 1Connect CloudflareWorkers, Pages, R2, KV — the edge stack.
- 2Connect AxiomLog streams, queries, dashboards.
- 3Connect DropboxFiles and folders.
- 4Connect GitLabRepos, MRs, pipelines, registry.
- 5Set each agent's modelWe leave models unset so you pick the tier — fast + cheap, or top-quality.
- 6Tune it to your dataEdit the prompts, filters, and field mappings so it matches how your team works.
- 7Test, then turn it onRun once against a sample, confirm the output, then enable the trigger.
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