huhan

Junior

#6 China Top 5% Worldwide

964 Total XP

8 Labs Completed 0 First Bloods 0 Streak 20 Best

+25 this week +25 this month

Activity

28 active days in the last year

Rank Progress

Junior

Next Senior

964 / 2114 XP

Achievements

Streak Starter

Streak Master

Lab Rat

Scholar

FTPPHPLFICookie PoisoningSession TamperingBase64 EncodingPrivilege EscalationBrowser DevToolsClient-Side SecurityWeb ExploitationIP SPOOFINGSecurity Through ObscurityView SourceInformation DisclosureBroken Access ControlWeb SecurityHTMLView Source CodeSource Code AnalysisAuthentication BypassBroken AuthenticationDeveloper ToolsLearning PathCapture The FlagCTFCTF BasicsFlag SubmissionUUIDGetting StartedCyber Security Fundamentals

Anonymous Easy

100 XP Sep 14, 2026

Include me Easy

100 XP Sep 13, 2026

Hack the Cookie: Cookie Poisoning Attack Very Easy

50 XP Sep 09, 2026

Spoof! Easy

100 XP Aug 27, 2026

Secrets in Source 2: Bypass Security Through Obscurity Very Easy

50 XP Aug 02, 2026

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

50 XP Aug 01, 2026

Hack the Login Very Easy

50 XP Aug 01, 2026

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

50 XP Jul 31, 2026

Hacking 101 6

The network underneath 1 XP Sep 15, 2026

How passwords break 1 XP Sep 08, 2026

Encoding is not encryption 1 XP Sep 04, 2026

The hacker mindset 1 XP Aug 07, 2026

Hidden in plain sight 1 XP Aug 08, 2026

Open-source intelligence 1 XP Sep 12, 2026

Lesson Completed +15 XP

3 days ago

Daily Hack Solved - One password, many doors +10 XP

3 days ago

Streak Frozen

3 weeks ago

Streak Frozen

4 weeks ago

Streak Frozen

4 weeks ago

Streak Frozen

1 month ago

Streak Frozen

1 month ago

Active for 1 days

1 month ago

Streak Frozen

1 month ago

Streak Frozen

1 month ago

Streak Frozen

1 month ago

Streak Frozen

1 month ago

Lesson Completed +11 XP

1 month ago

Daily Hack Solved - The canary build +10 XP

1 month ago

Lesson Completed +5 XP

1 month ago

Chapter Completed - The network underneath +1 XP

1 month ago

Daily Hack Solved - The gateway that appeared +10 XP

1 month ago

Flag Found - Anonymous +100 XP

1 month ago

Lesson Completed +15 XP

1 month ago

Daily Hack Solved - The click you never made +10 XP

1 month ago

Flag Found - Include me +100 XP

1 month ago

Lesson Completed +11 XP

1 month ago

Lesson Completed +5 XP

1 month ago

Chapter Completed - Open-source intelligence +1 XP

1 month ago

Daily Hack Solved - Count the layers +10 XP

1 month ago

Daily Hack Solved - The total you do not see +10 XP

1 month ago

Lesson Completed +16 XP

1 month ago

Flag Found - Hack the Cookie: Cookie Poisoning Attack +50 XP

1 month ago

Lesson Completed +10 XP

1 month ago

Daily Hack Solved - How long does it live +10 XP

1 month ago

Flag Found - Nmap Commands Lab: Port Scanning to Privilege Escalation +50 XP

1 month ago

Daily Hack Solved - The alibi that breaks +10 XP

1 month ago

Lesson Completed +5 XP

1 month ago

Chapter Completed - How passwords break +1 XP

1 month ago

Daily Hack Solved - Recover the XOR key +10 XP

1 month ago

Lesson Completed +16 XP

1 month ago

Lesson Completed +11 XP

1 month ago

Daily Hack Solved - Repair the magic bytes +10 XP

1 month ago

Lesson Completed

1 month ago

Lesson Completed +5 XP

1 month ago

Chapter Completed - Encoding is not encryption +1 XP

1 month ago

Daily Hack Solved - Count the compromised +10 XP

1 month ago

Daily Hack Solved - The version that leaks +10 XP

1 month ago

Daily Hack Solved - A token you can read +10 XP

1 month ago

Flag Found - Spoof! +100 XP

1 month ago

Lesson Completed +15 XP

1 month ago

Daily Hack Solved - Disabled but shipped +10 XP

1 month ago

Active for 1 days

2 months ago

Lesson Completed +11 XP

2 months ago

Daily Hack Solved - Open the app sandbox +10 XP

2 months ago

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