Academy · Track

Recon & Exposure

Subdomain takeover, leaked keys and the information disclosure that starts every chain.

14
labs
← All labs
ApprenticeInformation disclosure

A backup file left in the web root

Find the secret the application leaks without meaning to.

10 pts · 20 minStart →
ApprenticeInformation disclosure

Comments in the source with a key in them

Find the secret the application leaks without meaning to.

10 pts · 20 minStart →
ApprenticeInformation disclosure

The stack trace that names the database

Find the secret the application leaks without meaning to.

10 pts · 20 minStart →
PractitionerSubdomain takeover

A CNAME pointing at a deleted bucket

Claim a dangling DNS record that points at an unclaimed host.

25 pts · 45 minStart →
PractitionerInformation disclosure

Secrets committed to an exposed .git

Find the secret the application leaks without meaning to.

25 pts · 45 minStart →
PractitionerInformation disclosure

The debug endpoint still answering in production

Find the secret the application leaks without meaning to.

25 pts · 45 minStart →
PractitionerSubdomain takeover

The pages site that was never published

Claim a dangling DNS record that points at an unclaimed host.

25 pts · 45 minStart →
PractitionerInformation disclosure

User enumeration through timing

Find the secret the application leaks without meaning to.

25 pts · 45 minStart →
ExpertInformation disclosure

An API version that forgot to retire

Find the secret the application leaks without meaning to.

50 pts · 90 minStart →
ExpertSubdomain takeover

An expired CDN configuration still referenced

Claim a dangling DNS record that points at an unclaimed host.

50 pts · 90 minStart →
ExpertInformation disclosure

GraphQL introspection left switched on

Find the secret the application leaks without meaning to.

50 pts · 90 minStart →
ExpertInformation disclosure

Metadata in an uploaded file's response

Find the secret the application leaks without meaning to.

50 pts · 90 minStart →
ExpertSubdomain takeover

The cancelled SaaS that left a dangling record

Claim a dangling DNS record that points at an unclaimed host.

50 pts · 90 minStart →
MasterSubdomain takeover

Chaining a takeover into cookie theft

Claim a dangling DNS record that points at an unclaimed host.

100 pts · 180 minStart →