siyeon
Expert
Activity
43 active days in the last year
Less
More
Rank Progress
Expert
Master
5717 / 7759 XP
Achievements
Streak Starter
Streak Master
Lab Rat
Lab Expert
Scholar
Writer
Pro Member
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
Git Exposed
Challenge
Fine Print
Challenge
XOR Reuse
Challenge
TechNova Infiltration
Medium
Compromised 1
Medium
Host Hijack
Medium
Simple Directory Traversal
Challenge
FiPloit
Easy
Anonymous 2
Easy
Infiltrator
Easy
Alpwned
Medium
Hidden CMS Breach
Medium
Scheduled Sabotage
Easy
Beyond Echo
Medium
ClearDesk
Medium
Cronpocalypse
Easy
Spoof!
Easy
Anonymous
Easy
Include me
Easy
Hack the Cookie: Cookie Poisoning Attack
Very Easy
Hack the Login
Very Easy
OSINT
3
OSINT fundamentals
Social media OSINT
Domain recon
HTTP requests and responses
URLs, domains, and DNS
LLM application architecture
AI and LLM security fundamentals
Daily Hack Solved
- Where the link really goes
+10 XP
2 days ago
Active for 4 days
5 days ago
Daily Hack Solved
- Single-byte XOR
+10 XP
3 weeks ago
Active for 1 days
3 weeks ago
Daily Hack Solved
- Find the IAM privilege escalation
+10 XP
3 weeks ago
Daily Hack Solved
- Decode the stored credential
+10 XP
3 weeks ago
Daily Hack Solved
- Find the leaked AWS key
+10 XP
4 weeks ago
Daily Hack Solved
- Replay the withdrawal
+10 XP
4 weeks ago
Chapter Completed
- LLM application architecture
+1 XP
4 weeks ago
Chapter Completed
- AI and LLM security fundamentals
+1 XP
4 weeks ago
Daily Hack Solved
- Who got root
+10 XP
4 weeks ago
Active for 1 days
1 month ago
Daily Hack Solved
- Reverse then ROT
+10 XP
1 month ago
Chapter Completed
- URLs, domains, and DNS
+1 XP
1 month ago
Chapter Completed
- HTTP requests and responses
+1 XP
1 month ago
Daily Hack Solved
- ELF, not data
+10 XP
1 month ago
Active for 1 days
1 month ago
Daily Hack Solved
- The webview endpoint
+10 XP
1 month ago
Daily Hack Solved
- Find the reentrancy bug
+10 XP
1 month ago
Daily Hack Solved
- Two layers, one flag
+10 XP
1 month ago
Active for 1 days
1 month ago
Flag Found
- Linux Fundamentals Practice
+50 XP
1 month ago
Daily Hack Solved
- Open the app sandbox
+10 XP
1 month ago
Lesson Completed
+16 XP
1 month ago
Lesson Completed
+11 XP
1 month ago
Lesson Completed
+5 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
+16 XP
1 month ago
Daily Hack Solved
- Find the SQLi probe
+10 XP
1 month ago
Daily Hack Solved
- Find the employer
+10 XP
1 month ago
Active for 1 days
1 month ago
Lesson Completed
+11 XP
1 month ago
Lesson Completed
+5 XP
1 month ago
Lesson Completed
+16 XP
1 month ago
Daily Hack Solved
- The token names the host
+10 XP
1 month ago
Daily Hack Solved
- Find the tool-exec RCE sink
+10 XP
1 month ago
Lesson Completed
+11 XP
1 month ago
Lesson Completed
+5 XP
1 month ago
Daily Hack Solved
- PNG, not TXT
+10 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
Daily Hack Solved
- Find the hidden email
+10 XP
1 month ago
Chapter Completed
- Social media OSINT
+1 XP
1 month ago
Daily Hack Solved
- Decode the beacon label
+10 XP
1 month ago