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lester's Certificates

0 / 129 earned

lester hasn't earned any certificates yet.

Relay

standard Easy

0/2 flags

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Axferia

standard Easy

0/2 flags

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Listeria

standard Easy

0/2 flags

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Bindforge

standard Medium

0/2 flags

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Rootbase

standard Medium

0/2 flags

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Keyspace

elite Hard

0/2 flags

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Driftsync

standard Medium

0/2 flags

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Bifrost

elite Hard

0/2 flags

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Postmark

standard Medium

0/2 flags

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Walkabout

standard Medium

0/2 flags

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Switchgear

standard Medium

0/2 flags

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DeployStation

standard Medium

0/2 flags

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Bastion

elite Hard

0/2 flags

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Nightfall

elite Hard

0/2 flags

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Sidewinder

standard Medium

0/2 flags

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Retrogate

standard Easy

0/2 flags

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Bootleak

standard Easy

0/2 flags

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CORP-DC01

elite Hard

0/2 flags

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CORP-WS01

elite Hard

0/2 flags

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MEGACORP-DC01

legendary Hard

0/2 flags

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MEGACORP-WS01

elite Hard

0/2 flags

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Neuravex

standard Easy

0/2 flags

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Injectrix

standard Medium

0/2 flags

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Stacksmash

elite Hard

0/2 flags

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The XSS Rat

legendary Insane

0/2 flags

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RatHole

standard Medium

0/2 flags

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Loophole

standard Medium

0/2 flags

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Sharehouse

standard Medium

0/2 flags

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Porthaven

standard Easy

0/2 flags

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Glasswork

standard Medium

0/2 flags

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Irongrep

standard Medium

0/2 flags

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Shellcast

standard Easy

0/2 flags

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Darkpulse

legendary Insane

0/2 flags

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Foxhole

standard Medium

0/2 flags

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Tracewire

elite Hard

0/2 flags

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VAULTNET-DC01

legendary Hard

0/2 flags

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VAULTNET-WS01

elite Hard

0/2 flags

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VAULTNET-DB01

elite Hard

0/2 flags

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Tempest

standard Medium

0/2 flags

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Docparse

standard Medium

0/2 flags

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Jailkey

standard Medium

0/2 flags

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Hexvault

legendary Insane

0/2 flags

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Codebleed

standard Easy

0/2 flags

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Capsule

elite Hard

0/2 flags

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Debugtrap

elite Hard

0/2 flags

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StackDrop

standard Medium

0/2 flags

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DarkRat

legendary Exceptional

0/2 flags

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Mirage

legendary Exceptional

0/2 flags

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Axiom

standard Easy

0/2 flags

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Inkblot

standard Easy

0/2 flags

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Blindspot

standard Medium

0/2 flags

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TokenSmith

elite Hard

0/2 flags

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Threadbare

elite Hard

0/2 flags

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Breakout

elite Hard

0/2 flags

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Shapeshifter

standard Medium

0/2 flags

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Synapse

standard Medium

0/2 flags

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NullSecurityX Lab

elite Hard

0/2 flags

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SolarGate

standard Easy

0/2 flags

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Meridian Hub

standard Easy

0/2 flags

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VoltCore

standard Medium

0/2 flags

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GridLock

standard Medium

0/2 flags

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Apex

elite Hard

0/2 flags

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CIRT Gateway

standard Easy

0/2 flags

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SIEM Station

standard Easy

0/2 flags

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SOC Runbook

standard Medium

0/2 flags

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Vuln Code Depot

standard Medium

0/2 flags

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Under Fire

elite Hard

0/2 flags

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Switchboard FTP

standard Easy

0/2 flags

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Switchboard Relay

standard Easy

0/2 flags

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Switchboard Cache

standard Medium

0/2 flags

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Switchboard Sync

standard Medium

0/2 flags

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Switchboard Monitor

elite Hard

0/2 flags

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Blacksite DB

standard Easy

0/2 flags

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Blacksite Tools

standard Easy

0/2 flags

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Blacksite Media

standard Medium

0/2 flags

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Blacksite Reports

standard Medium

0/2 flags

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Blacksite Import

elite Hard

0/2 flags

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Pipeline Git

standard Easy

0/2 flags

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Pipeline Env

standard Easy

0/2 flags

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Pipeline Registry

standard Medium

0/2 flags

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Pipeline Artifact

standard Medium

0/2 flags

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Pipeline Runner

elite Hard

0/2 flags

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Assembly Line

elite Hard

0/2 flags

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API Users

standard Easy

0/2 flags

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API Profile

standard Easy

0/2 flags

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API Auth

standard Medium

0/2 flags

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API Admin

standard Medium

0/2 flags

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API Fetch

elite Hard

0/2 flags

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Vault Keygen

standard Easy

0/2 flags

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Vault Session

standard Easy

0/2 flags

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Vault Verify

standard Medium

0/2 flags

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Vault Encrypt

standard Medium

0/2 flags

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Vault PKI

elite Hard

0/2 flags

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Container Caps

standard Easy

0/2 flags

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Container Env

standard Easy

0/2 flags

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Container Mount

standard Medium

0/2 flags

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Container Socket

standard Medium

0/2 flags

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Container Escape

elite Hard

0/2 flags

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Lane: Ret2Win

standard Easy

0/2 flags

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Lane: Shellcode

standard Easy

0/2 flags

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Lane: ROP Chain

standard Medium

0/2 flags

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Lane: Format Str

standard Medium

0/2 flags

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Lane: Heap

elite Hard

0/2 flags

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Corp Headers

standard Easy

0/2 flags

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Corp Webcrawl

standard Easy

0/2 flags

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Corp Docs

standard Medium

0/2 flags

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Corp Logs

standard Medium

0/2 flags

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Corp OSINT

elite Hard

0/2 flags

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GraphLeak

elite Hard

0/2 flags

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Nightglass

standard Medium

0/2 flags

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Crossfire

standard Easy

0/2 flags

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Ledgerloop

standard Easy

0/2 flags

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Cacheleak

standard Easy

0/2 flags

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IronClad

standard Medium

0/2 flags

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RatSuite

elite Hard

0/2 flags

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Turnstile

standard Medium

0/2 flags

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MedBridge

standard Medium

0/2 flags

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FinTrust

standard Medium

0/2 flags

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🕸️

Web Fundamentals

HTTP exposure, directory traversal, XSS, SSTI, and XXE — the OWASP core from first principles.

0 / 5 machines 0%

elite

📡

Network Recon

DNS zone transfers, SNMP community strings, rsync exposure, NFS misconfig. The network as attack surface.

0 / 4 machines 0%

elite

🔓

Auth Breaker

LDAP injection, JWT algorithm confusion, OAuth flows — break the authentication layer end to end.

0 / 3 machines 0%

elite

🗄️

Database Exploiter

MySQL injection, Redis command abuse, SMB shares. Exfiltrate, pivot, and escalate through the data layer.

0 / 3 machines 0%

elite

💀

Binary Exploiter

Stack-based buffer overflows and ret2libc chains. Low-level exploitation is a rare and respected skillset.

0 / 2 machines 0%

legendary

🏢

The Corp Network

Two interconnected Windows domains — CorpNet and MegaCorp. Enumerate shares, pivot users, own the DCs.

0 / 4 machines 0%

legendary

🏦

VaultNet Breach

Three-machine AD network — DC, database server, workstation. Full domain compromise from zero to domain admin.

0 / 3 machines 0%

legendary

☠️

The Infection Arc

Collect all five fragments scattered across live labs. The full infection story.

0 / 5 machines 0%

legendary

🕷️

Advanced Web

SSRF, prototype pollution, race conditions, log poisoning — the tricky second tier of web exploitation.

0 / 4 machines 0%

legendary

🐀

The Full Rat

Own any 20 distinct machines. Breadth over depth — prove you can operate across the full attack surface.

0 / 20 machines 0%

Own any 20 distinct machines.

elite

👑

RatCTF Master

Every active machine owned. The completionist crown — given to those who leave nothing standing.

0 / 118 active machines 0%

Own every active machine on the platform.

legendary