Gabe
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Just an old man, living in Poland.
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87 active days in the last year
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3590 / 4583 XP
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CryptographyClassical CiphersPattern RecognitionHistorical CryptanalysisTransposition CipherRail FencePythonPassword CrackingWindows SecurityNTLMHashcatJohn the RipperHash AnalysisKeePass 4.x SecurityDirect Brute ForcePassword Manager AssessmentModern CryptographySecurity Tool LimitationsPDF SecurityDictionary AttacksDigital ForensicsDocument SecurityBrute Force AttacksOffice SecurityHash ExtractionLinux SecurityhashcatFrequency AnalysisXORKnown-Plaintext AttackHex EncodingZIP Password CrackingfcrackzipBrute ForceArchive SecurityCustom WordlistWordlist GenerationPRINCE Modezip2johnMD5Hash CrackingOSINTPassword ReuseHTTP ProtocolRequest SmugglingNetwork ForensicsTraffic AnalysisWeb SecurityPacket AnalysisCryptanalysisClassical CryptoData EncodingJavaScriptRainbow TablesWeb DevelopmentBrowser DevToolsJWT ManipulationSSH ExploitationLog InjectionPrivilege EscalationBinary AnalysisHex EditorsData StructuresReverse EngineeringFile AnalysisPDF ForensicsMetadataHidden DataForensic ToolsBlockchain AnalysisBitcoinOP_RETURNHex DecodingData ExtractionForensic AnalysisCSSMedia QueriesWeb ForensicsSource AnalysisDevToolsNetwork AnalysisDNSData ExfiltrationBase64 DecodingNetwork ReconnaissanceService DiscoveryDatabase ForensicsCLI UsageData RecoveryIncident ResponseBase64RedisQR Code AnalysisImage AnalysisSteganographyPacket CaptureWiresharkProtocol AnalysisWebCTF BasicsWeb InspectionHTML AnalysisPHPType JugglingAuthentication BypassPassword AnalysisSecurity ToolsHexadecimalNmapNmap CommandsTelnetPort ScanningCookie PoisoningSession TamperingBase64 EncodingClient-Side SecurityWeb ExploitationSecurity Through ObscurityView SourceInformation DisclosureBroken Access ControlHTMLView Source CodeSource Code AnalysisBroken AuthenticationDeveloper ToolsLearning PathCapture The FlagCTFFlag SubmissionUUIDGetting StartedCyber Security Fundamentals
Book Cipher Challenge
Challenge
Rail Fence
Challenge
Windows Password Cracker
Challenge
KeePass Breaker
Challenge
PDF Password Cracker
Challenge
Office Password Cracker
Challenge
Shadow Cracker
Challenge
Caesar Shift Decoder
Challenge
XOR Reuse
Challenge
ZIP Cracker
Challenge
HTTP Smuggling
Challenge
Crypto Cipher
Challenge
Get the Password
Challenge
Infiltrator
Easy
Binary Secrets
Challenge
PDF Trap
Challenge
Blockchain Secrets
Challenge
Fine Print
Challenge
DNS Exfil
Challenge
Red is Dead
Challenge
QR Code Quest
Challenge
Packet Pursuit
Easy
Stego Hunt
Challenge
Base64 Detective
Challenge
Type Juggling Bypass
Challenge
Crack SHA1 Hash
Challenge
Hex Hunt
Challenge
Hack the Cookie: Cookie Poisoning Attack
Very Easy
Hack the Login
Very Easy
Pipes and data pipelines
Users, groups, and permissions
Filesystem navigation
Process management
Searching for what matters
Reading and manipulating files
Your first terminal session
Network commands
Hacking 101
10
The network underneath
Vulnerabilities and exploits
How passwords break
Encoding is not encryption
The hacker mindset
Your roadmap
Hacking humans
Hidden in plain sight
Open-source intelligence
The hacker's toolkit
Hash functions and collisions
Substitution ciphers
XOR cryptanalysis
The Vigenere cipher
Encoding and encryption
Flag Found
- Book Cipher Challenge
+50 XP
9 min ago
Credited as Contributor
- Rail Fence
6 hours ago
Daily Hack Solved
- The field that wins
+10 XP
9 hours ago
Writeup Added
+5 XP
9 hours ago
Flag Found
- Rail Fence
+50 XP
10 hours ago
Writeup Added
+5 XP
1 day ago
Flag Found
- Windows Password Cracker
+50 XP
1 day ago
Daily Hack Solved
- Write it back
+10 XP
1 day ago
Daily Hack Solved
- Approved by somebody else
+10 XP
2 days ago
Daily Hack Solved
- The trigger that changed everything
+10 XP
3 days ago
Daily Hack Solved
- Two victims, one supplier
+10 XP
4 days ago
Writeup Added
+5 XP
4 days ago
Writeup Added
+5 XP
4 days ago
Writeup Added
+5 XP
4 days ago
Writeup Added
+5 XP
4 days ago
Writeup Added
+5 XP
4 days ago
Daily Hack Solved
- The light that talks
+10 XP
5 days ago
Daily Hack Solved
- One page of six
+10 XP
6 days ago
Flag Found
- KeePass Breaker
+50 XP
1 week ago
Flag Found
- PDF Password Cracker
+50 XP
1 week ago
Daily Hack Solved
- Bigger than it says
+10 XP
1 week ago
Flag Found
- Office Password Cracker
+50 XP
1 week ago
Daily Hack Solved
- The fill that was arranged
+10 XP
1 week ago
Chapter Completed
- Hash functions and collisions
+1 XP
1 week ago
Chapter Completed
- XOR cryptanalysis
+1 XP
1 week ago
Chapter Completed
- The Vigenere cipher
+1 XP
1 week ago
Chapter Completed
- Substitution ciphers
+1 XP
1 week ago
Chapter Completed
- Encoding and encryption
+1 XP
1 week ago
Flag Found
- Shadow Cracker
+50 XP
1 week ago
Flag Found
- Caesar Shift Decoder
+50 XP
1 week ago
Daily Hack Solved
- The sender nobody owns
+10 XP
1 week ago
Writeup Added
+5 XP
1 week ago
Flag Found
- XOR Reuse
+50 XP
1 week ago
Writeup Added
+5 XP
1 week ago
Flag Found
- ZIP Cracker
+50 XP
1 week ago
Writeup Added
+5 XP
1 week ago
Flag Found
- Password Cracking - Custom Wordlist Attack
+100 XP
1 week ago
Flag Found
- Password Cracking - Custom Wordlist Attack
+100 XP
1 week ago
Daily Hack Solved
- The invite that made an owner
+10 XP
1 week ago
Writeup Added
+5 XP
1 week ago
Flag Found
- HTTP Smuggling
+50 XP
1 week ago
Writeup Added
+5 XP
1 week ago
Writeup Added
+5 XP
1 week ago
Daily Hack Solved
- Who signs your token
+10 XP
1 week ago
Daily Hack Solved
- The cert that named it
+10 XP
1 week ago
Daily Hack Solved
- Where the link really goes
+10 XP
1 week ago
Flag Found
- Crypto Cipher
+50 XP
2 weeks ago
Flag Found
- Get the Password
+50 XP
2 weeks ago
Daily Hack Solved
- The allowlist that isn't
+10 XP
2 weeks ago
Writeup Added
+5 XP
2 weeks ago