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siyeon

Expert

#6 France Top 1% Worldwide

5717 Total XP

27 Labs Completed 0 First Bloods 0 Streak 29 Best

Activity

43 active days in the last year

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5717 / 8159 XP

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LinuxCommand LineFile System NavigationHidden FilesgrepfindGitVersion ControlSource Code AnalysisReconnaissanceWeb SecurityCSSMedia QueriesWeb ForensicsSource AnalysisDevToolsCryptographyXORKnown-Plaintext AttackHex EncodingWeb EnumerationSSHPassword CrackingPrivilege EscalationLinux SecurityCVE ExploitationApache TomcatWeb Application SecurityWAR DeploymentDefault CredentialsSudoWeb ShellsHost Header InjectionPassword Reset PoisoningCommand InjectionHTTP HeadersDirectory TraversalPath InjectionFile System SecurityInput ValidationPath ManipulationFile AccessReverse EngineeringBinary AnalysisCrackmeKeygenobjdumpGDBELFARM64 AssemblyStatic AnalysisGhidraLocal File InclusionFile Upload BypassPHP SecurityWeb Shell ExploitationLog AnalysisFTP ExploitationBackdoor DetectionNetwork ServicesRemote ShellSystem ExploitationJWT ManipulationSSH ExploitationLog InjectionSQL InjectionAuthentication BypassLinux Privilege EscalationFile PermissionsAuthenticationRCEFile EnumerationCron JobsConfiguration AnalysisPHPIDORAPI SecurityPath TraversalAccess ControlIP SPOOFINGFTPLFIClient-Side SecuritySecurity Through ObscurityBrowser DevToolsView SourceInformation DisclosureBroken Access ControlHTMLNmapNmap CommandsTelnetPort ScanningNetwork ReconnaissanceCookie PoisoningSession TamperingBase64 EncodingWeb ExploitationView Source CodeBroken AuthenticationDeveloper ToolsLearning PathCapture The FlagCTFCTF BasicsFlag SubmissionUUIDGetting StartedCyber Security Fundamentals

Linux Fundamentals Practice Challenge

50 XP Aug 13, 2026

Git Exposed Challenge

50 XP Aug 02, 2026

Fine Print Challenge

50 XP Aug 02, 2026

XOR Reuse Challenge

50 XP Aug 02, 2026

TechNova Infiltration Medium

400 XP Aug 02, 2026

Compromised 1 Medium

400 XP Aug 02, 2026

Host Hijack Medium

400 XP Aug 01, 2026

Simple Directory Traversal Challenge

50 XP Aug 01, 2026

Reverse Engineering: License Key Crackme Medium

400 XP Aug 01, 2026

FiPloit Easy

200 XP Aug 01, 2026

Anonymous 2 Easy

100 XP Aug 01, 2026

Infiltrator Easy

200 XP Jul 28, 2026

Alpwned Medium

400 XP Jul 22, 2026

Hidden CMS Breach Medium

400 XP Jul 22, 2026

Scheduled Sabotage Easy

200 XP Jul 22, 2026

Beyond Echo Medium

200 XP Jul 22, 2026

ClearDesk Medium

400 XP Jul 22, 2026

Cronpocalypse Easy

200 XP Jul 22, 2026

Spoof! Easy

100 XP Jul 22, 2026

Anonymous Easy

100 XP Jul 21, 2026

Include me Easy

100 XP Jul 21, 2026

Secrets in Source 2: Bypass Security Through Obscurity Very Easy

50 XP Jul 21, 2026

Nmap Commands Lab: Port Scanning to Privilege Escalation Very Easy

100 XP Jul 21, 2026

Hack the Cookie: Cookie Poisoning Attack Very Easy

50 XP Jul 21, 2026

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

50 XP Jul 21, 2026

Hack the Login Very Easy

50 XP Jul 21, 2026

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

50 XP Jul 21, 2026

OSINT 3

OSINT fundamentals 1 XP Aug 01, 2026

Social media OSINT 1 XP Aug 05, 2026

Domain recon 1 XP Aug 01, 2026

Web Security Basics 2

HTTP requests and responses 1 XP Aug 19, 2026

URLs, domains, and DNS 1 XP Aug 19, 2026

AI Security 2

LLM application architecture 1 XP Aug 22, 2026

AI and LLM security fundamentals 1 XP Aug 22, 2026

Daily Hack Solved - Where the link really goes +10 XP

1 month ago

Active for 4 days

1 month ago

Daily Hack Solved - Single-byte XOR +10 XP

1 month ago

Active for 1 days

1 month ago

Daily Hack Solved - Find the IAM privilege escalation +10 XP

1 month ago

Daily Hack Solved - Decode the stored credential +10 XP

1 month ago

Daily Hack Solved - Find the leaked AWS key +10 XP

1 month ago

Daily Hack Solved - Replay the withdrawal +10 XP

1 month ago

Chapter Completed - LLM application architecture +1 XP

2 months ago

Chapter Completed - AI and LLM security fundamentals +1 XP

2 months ago

Daily Hack Solved - Who got root +10 XP

2 months ago

Active for 1 days

2 months ago

Daily Hack Solved - Reverse then ROT +10 XP

2 months ago

Chapter Completed - URLs, domains, and DNS +1 XP

2 months ago

Chapter Completed - HTTP requests and responses +1 XP

2 months ago

Daily Hack Solved - ELF, not data +10 XP

2 months ago

Active for 1 days

2 months ago

Daily Hack Solved - The webview endpoint +10 XP

2 months ago

Daily Hack Solved - Find the reentrancy bug +10 XP

2 months ago

Daily Hack Solved - Two layers, one flag +10 XP

2 months ago

Active for 1 days

2 months ago

Flag Found - Linux Fundamentals Practice +50 XP

2 months ago

Daily Hack Solved - Open the app sandbox +10 XP

2 months ago

Lesson Completed +16 XP

2 months ago

Lesson Completed +11 XP

2 months ago

Lesson Completed +5 XP

2 months ago

Lesson Completed +15 XP

2 months ago

Lesson Completed +10 XP

2 months ago

Lesson Completed +5 XP

2 months ago

Lesson Completed +16 XP

2 months ago

Daily Hack Solved - Find the SQLi probe +10 XP

2 months ago

Daily Hack Solved - Find the employer +10 XP

2 months ago

Active for 1 days

2 months ago

Lesson Completed +11 XP

2 months ago

Lesson Completed +5 XP

2 months ago

Lesson Completed +16 XP

2 months ago

Daily Hack Solved - The token names the host +10 XP

2 months ago

Daily Hack Solved - Find the tool-exec RCE sink +10 XP

2 months ago

Lesson Completed +11 XP

2 months ago

Lesson Completed +5 XP

2 months ago

Daily Hack Solved - PNG, not TXT +10 XP

2 months ago

Lesson Completed +15 XP

2 months ago

Lesson Completed +11 XP

2 months ago

Lesson Completed +5 XP

2 months ago

Daily Hack Solved - Find the hidden email +10 XP

2 months ago

Chapter Completed - Social media OSINT +1 XP

2 months ago

Daily Hack Solved - Decode the beacon label +10 XP

2 months ago

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