x0xr00t

Senior

Online

I break things to learn how they work. Dutch researcher known as x0xr00t. Ghost in the machine, uac king. u may know me from 0day dev

#1 Timor-Leste

2268 Total XP

16 Labs Completed 0 First Bloods 3 Streak 35 Best

Activity

61 active days in the last year

Less More

Rank Progress

Senior

Next Expert

2268 / 4296 XP

Achievements

Streak Starter

Streak Master

Streak Legend

Lab Rat

Lab Expert

Scholar

SQL InjectionAuthentication BypassWeb SecurityDatabase SecurityPHPRCELog AnalysisIncident ResponsePattern RecognitionFile DiscoveryCommand Line ToolsForensicsHTTP ProtocolAttack DetectionSecurity AssessmentSSHPath TraversalCGIFile AccessDirectory TraversalInput ValidationPenetration TestingJavaScriptDeobfuscationClient-Side SecurityBrowser DevToolsCode AnalysisIP SPOOFINGFTPLFISecurity Through ObscurityView SourceInformation DisclosureBroken Access ControlHTMLNmapNmap CommandsTelnetPort ScanningNetwork ReconnaissancePrivilege EscalationCookie PoisoningSession TamperingBase64 EncodingWeb ExploitationView Source CodeSource Code AnalysisBroken AuthenticationDeveloper ToolsLearning PathCapture The FlagCTFCTF BasicsFlag SubmissionUUIDGetting StartedCyber Security Fundamentals

Auth Bypass Challenge

50 XP Jun 30, 2026

Beyond Echo Medium

200 XP Jun 25, 2026

Log Hunter Challenge

50 XP Jun 13, 2026

Cronpocalypse Easy

200 XP Jun 07, 2026

Path Traversal Challenge

50 XP Jun 06, 2026

SQL Injection Test Challenge

50 XP Jun 02, 2026

Hack This Site Challenge

50 XP May 30, 2026

Spoof! Easy

100 XP May 30, 2026

Anonymous Easy

100 XP May 30, 2026

Include me Easy

100 XP May 30, 2026

Secrets in Source 2: Bypass Security Through Obscurity Very Easy

50 XP May 30, 2026

Nmap Commands Lab: Port Scanning to Privilege Escalation Very Easy

100 XP May 29, 2026

Hack the Cookie: Cookie Poisoning Attack Very Easy

50 XP May 29, 2026

Secrets in Source: View Source Code to Find the Flag Very Easy

50 XP May 29, 2026

Hack the Login Very Easy

50 XP May 29, 2026

Capture the Flag 101: Find and Submit Your First Flag Very Easy

50 XP May 29, 2026

Security Careers & Certifications 1

Penetration testing careers 1 XP Jun 09, 2026

Hacking 101 3

The hacker mindset 1 XP May 29, 2026

Hidden in plain sight 1 XP May 30, 2026

The hacker's toolkit 1 XP Jun 06, 2026

Active for 7 days

17 hours ago

Lesson Completed +10 XP

1 week ago

Active for 1 days

1 week ago

Lesson Completed +5 XP

1 week ago

Lesson Completed +15 XP

1 week ago

Lesson Completed +11 XP

2 weeks ago

Lesson Completed +5 XP

2 weeks ago

Lesson Completed +15 XP

2 weeks ago

Lesson Completed +10 XP

2 weeks ago

Lesson Completed +5 XP

2 weeks ago

Lesson Completed +15 XP

2 weeks ago

Lesson Completed +11 XP

2 weeks ago

Active for 1 days

2 weeks ago

Daily Hack Solved - Spot the exfil +10 XP

3 weeks ago

Lesson Completed +5 XP

3 weeks ago

Lesson Completed +15 XP

3 weeks ago

Lesson Completed +11 XP

3 weeks ago

Lesson Completed +5 XP

3 weeks ago

Lesson Completed +15 XP

3 weeks ago

Active for 1 days

3 weeks ago

Lesson Completed +10 XP

4 weeks ago

Daily Hack Solved - One tap of base64 +10 XP

4 weeks ago

Lesson Completed +5 XP

4 weeks ago

Daily Hack Solved - Pay your own price +10 XP

4 weeks ago

Daily Hack Solved - Leak the app admin token +10 XP

4 weeks ago

Lesson Completed +15 XP

4 weeks ago

Daily Hack Solved - Check the history +10 XP

1 month ago

Lesson Completed +11 XP

1 month ago

Lesson Completed +5 XP

1 month ago

Daily Hack Solved - Trace the phish +10 XP

1 month ago

Daily Hack Solved - Find the break-in +10 XP

1 month ago

Lesson Completed +15 XP

1 month ago

Flag Found - Auth Bypass +50 XP

1 month ago

Daily Hack Solved - Two-layer classic +10 XP

1 month ago

Lesson Completed +10 XP

1 month ago

Lesson Completed +5 XP

1 month ago

Lesson Completed +15 XP

1 month ago

Lesson Completed +11 XP

1 month ago

Lesson Completed +5 XP

1 month ago

Flag Found - Beyond Echo +200 XP

1 month ago

Lesson Completed +15 XP

1 month ago

Lesson Completed +10 XP

1 month ago

Lesson Completed +5 XP

1 month ago

Lesson Completed +15 XP

1 month ago

Your Certificate is Ready!

View and share your Certificate of Achievement

View Certificate