Ichiko
✦ Legend ✦
Online
I break systems legally and rank in the top 70 worldwide. Senior hacker from the Philippines with 23 flags and counting.
Activity
49 active days in the last year
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Rank Progress
✦ Legend ✦
Max Rank
Achievements
Streak Starter
Streak Master
Lab Rat
Lab Expert
Lab Master
Scholar
Top 10
Pro Member
JWTWeb SecurityToken AuthenticationCryptographyAlgorithm ConfusionRS256HS256Token ForgeryNetwork AnalysisPacket CaptureWiresharkProtocol AnalysisCommand InjectionShell CommandsSystem AdministrationHTTP Parameter ManipulationSecurity AssessmentWireless SecurityWEP CrackingRC4 AnalysisPacket AnalysisCryptographic AttacksLegacy Protocol ExploitationCSRFCross-Site Request ForgerySession SecuritySocial EngineeringForm SecurityHTTP SecurityState ManagementReverse EngineeringBinary AnalysisCrackmeKeygenobjdumpGDBELFARM64 AssemblyStatic AnalysisGhidraSession ManagementAuthenticationPrivilege EscalationPHPLFIPassword CrackingAuthentication BypassDirectory TraversalQR Code AnalysisImage AnalysisData ExtractionSteganographyDigital ForensicsDNSData ExfiltrationBase64 DecodingCryptanalysisClassical CryptoPattern RecognitionData EncodingJavaScriptWeb DevelopmentHexadecimalBrowser DevToolsJenkinsCI/CDDevOpsPentestAutomationMD5Rainbow TablesNetwork ReconnaissanceService DiscoveryDatabase ForensicsCLI UsageData RecoveryIncident ResponseBase64Hex EncodingRedisWeb InspectionHTML AnalysisAPI SecurityWeb HackingLogic FlawsToken ManipulationBase64 EncodingAuthorization BypassPath ManipulationFile InclusionBlockchain AnalysisBitcoinOP_RETURNHex DecodingForensic AnalysisPDF ForensicsFile AnalysisMetadataHidden DataForensic ToolsLSBForensicsPythonAudio AnalysisTransposition CipherRail FenceFlaskDebug ModeMemory AnalysisPath TraversalCGIFile AccessInput ValidationLogic FlawParameter ManipulationWeb ExploitationNetwork SecuritySQL InjectionDatabase SecurityXSSCross-Site ScriptingStored XSSSession HijackingClient-Side SecurityDOM ManipulationClaims ManipulationTime-Based AttacksSignature CrackingLocal File InclusionUser-Agent Log PoisoningRemote Code ExecutionApache SecurityLog AnalysisXXEXML SecurityFile DisclosureExternal EntityVulnerability AssessmentBlind SQLiTime-based SQLiBoolean-based SQLiDatabase EnumerationSSRFServer-Side Request ForgeryAWS MetadataCloud SecurityIAM CredentialsAWS EC2File UploadBypass TechniquesWeb ShellsPost ExploitationNoSQL InjectionMongoDBVisibility ControlsAccess Control BypassSecurity TestingOperator ExploitationPDF SecurityDictionary AttacksDocument SecurityBrute Force AttacksServer-Side Template InjectionJinja2Flask SecurityWeb Application TestingCode InjectionKeePass 4.x SecurityDirect Brute ForcePassword Manager AssessmentModern CryptographySecurity Tool LimitationsWebCTF BasicsMemory ForensicsTool UsageROT13 EncodingHex EditorsData StructuresMD5 CrackingSource Code AnalysisWeb Application SecurityPassword AttacksClassical CiphersHistorical CryptanalysisWindows RegistryPersistence AnalysisMalware AnalysisHTTP HeadersIP SpoofingInformation GatheringJinja2 ExploitationFile DiscoveryCommand Line ToolsHTTP ProtocolAttack DetectionLDAP InjectionDirectory ServicesEnterprise SecurityCRLF InjectionRedis Command InjectionCache PoisoningProtocol ManipulationDocument DatabasesZIP Password CrackingJohn the RipperfcrackzipBrute ForceArchive SecurityPython PickleEnterprise DeserializationCorporate Backup SystemsDisaster Recovery ExploitationConfiguration Import AttacksWiFi SecurityWPA CrackingWireless Penetration TestingDeobfuscationCode AnalysisGit ForensicsVersion Control SecurityRepository AnalysisPenetration TestingSecret RecoveryOSINTSUID BinariesLinux SecurityBinary ExploitationDocker Registry APIContainer SecurityAPI ManipulationRegistry ExploitationFrequency AnalysisNetwork ForensicsDNS AnalysisTraffic AnalysisGraphQLSchema IntrospectionInjectionCookie ManipulationFilter BypassApache AuthenticationDirectory EnumerationWeb ReconnaissanceAdministrative Panel DiscoverySecurity BypassClient-Side ManipulationIDORRace ConditionsTiming AttacksConcurrent ExploitationPrototype PollutionNode.js SecurityJavaScript ExploitationObject ManipulationInput Validation BypassModern Web VulnerabilitiesWebDAV ExploitationRemote File AccessHTTP MethodsWeb Server SecurityFile System EnumerationYAML DeserializationPyYAML ExploitationConfiguration InjectionPython SecurityUnsafe DeserializationFile Processing SecurityPath InjectionFile System SecurityPolyalphabetic CiphersURL ManipulationInternal Network AccessProtocol BypassEmail ForensicsHeader AnalysisPhishing DetectionDigital InvestigationRequest SmugglingHash CrackingPassword AnalysisSecurity ToolsType JugglingHash AnalysisWeb EnumerationReconnaissanceGitVersion ControlRegex BypassSQLiteUNION-Based SQLiOffice SecurityHash ExtractionHashcatWindows SecurityNTLMhashcatLinuxCommand LineFile System NavigationHidden FilesgrepfindUnicodeWeb ForensicsText AnalysisCSSMedia QueriesSource AnalysisDevToolsOAuth 2.0Web ReconConfiguration ExploitsXORKnown-Plaintext AttackIDOR ExploitationZip Slip VulnerabilityInternal Service DiscoveryBackup Service ExploitationSudo Vim ExploitationWPAdvanced ReconnaissanceAndroid Reverse EngineeringSCADA ExploitationCVE ExploitationSSHFilter EvasionApache TomcatWAR DeploymentDefault CredentialsSudoLinux CapabilitiesReverse ShellSystem EnumerationFTP ExploitationBackdoor DetectionNetwork ServicesRemote ShellSystem ExploitationMass AssignmentPassword ReuseLinux Privilege EscalationMYSQLIRCEJWT ManipulationSSH ExploitationLog InjectionFile EnumerationCron JobsConfiguration AnalysisHeadless CMSAPI EnumerationInformation DisclosureRevision HistoryToken AbuseSSTISSH Brute ForcePickle DeserializationDirectory FuzzingX-Forwarded-For SpoofingBruteforceffufNewline InjectionLinux EnumerationSUID ExploitationBuffer OverflowARM64 ROPStatic Binary AnalysispwntoolsropperWEBFile PermissionsHost Header InjectionPassword Reset PoisoningGITAccess ControlIP SPOOFINGFTPFile Upload BypassPHP SecurityWeb Shell ExploitationView Source CodeHTMLBroken Access ControlCookie PoisoningSession TamperingNmapNmap CommandsTelnetPort ScanningSecurity Through ObscurityView SourceBroken AuthenticationDeveloper ToolsLearning PathCapture The FlagCTFFlag SubmissionUUIDGetting StartedCyber Security Fundamentals
JWT Bypass
Challenge
JWT Algo Confusion
Challenge
Packet Pursuit
Challenge
Shell Command Scanner
Challenge
WEP Cracker
Challenge
CSRF Bank Transfer
Challenge
Session Switch
Challenge
Corporate Breach
Challenge
QR Code Quest
Challenge
DNS Exfil
Challenge
Crypto Cipher
Challenge
Hex Hunt
Challenge
Snapchat Exposed
Challenge
Get the Password
Challenge
Red is Dead
Challenge
Base64 Detective
Challenge
API Breaker
Challenge
Corporate Breach 2
Challenge
Blockchain Secrets
Challenge
PDF Trap
Challenge
Pixel Puzzler
Challenge
Sonic Cipher
Challenge
Rail Fence
Challenge
Flask Error
Challenge
Path Traversal
Challenge
API Logic Flaw
Challenge
Ping Pwn
Challenge
Auth Bypass
Challenge
XSS Playground
Challenge
JWT Claims Manipulation
Challenge
LFI Log Poison
Challenge
XXE Exposed
Challenge
SQL Injection
Challenge
URL Scanner
Challenge
File Upload Bypass
Challenge
NoSQL Injection
Challenge
PDF Password Cracker
Challenge
Template Injection
Challenge
KeePass Breaker
Challenge
Stego Hunt
Challenge
Memory Forensics
Challenge
Binary Secrets
Challenge
Admin Portal Breach
Challenge
Book Cipher Challenge
Challenge
Registry Hunter
Challenge
IP Spoofing Admin
Challenge
Template Injector
Challenge
Log Hunter
Challenge
LDAP Injector
Challenge
Redis Cache Poisoner
Challenge
MongoDB Injector
Challenge
ZIP Cracker
Challenge
Corporate Backup Deserializer
Challenge
WiFi Password Cracker
Challenge
Hack This Site
Challenge
Git Secrets Hunter
Challenge
SUID Privilege Hunter
Challenge
Registry Hijacker
Challenge
Caesar Shift Decoder
Challenge
DNS Tunneling Detective
Challenge
GraphQL Gateway
Challenge
Button Activator
Challenge
Cookie Forge
Challenge
File Include Bypass
Challenge
Corporate Directory Hunt
Challenge
Header Hijacker
Challenge
IDOR Explorer
Challenge
Race Condition Hunter
Challenge
Prototype Pollution Hunter
Challenge
WebDAV Explorer
Challenge
YAML Bomb
Challenge
Simple Directory Traversal
Challenge
Vigenere Stego Hunt
Challenge
SSRF Validator
Challenge
Email Header Forensics
Challenge
HTTP Smuggling
Challenge
Crack SHA1 Hash
Challenge
Type Juggling Bypass
Challenge
Backup Hunter
Challenge
Git Exposed
Challenge
Regex Bypass to SQLi
Challenge
Office Password Cracker
Challenge
Windows Password Cracker
Challenge
Shadow Cracker
Challenge
Linux Fundamentals Practice
Challenge
SQL Injection Test
Challenge
Phantom Text
Challenge
Fine Print
Challenge
Token Trust
Challenge
XOR Reuse
Challenge
Broken Chain
Hard
WP Ultimate
Hard
Compromised 2
Hard
TechNova Infiltration
Medium
RCE Playground
Medium
Compromised 1
Medium
Matsudo
Medium
Internal
Hard
Anonymous 2
Easy
Query Quake
Medium
Infiltrator
Easy
Scheduled Sabotage
Easy
FortiPy
Hard
Pickle Jar
Medium
Hack the Box
Hard
AlVault
Medium
Alpwned
Medium
Hidden CMS Breach
Medium
Host Hijack
Medium
Traversed
Medium
ClearDesk
Medium
Beyond Echo
Medium
Cronpocalypse
Easy
Spoof!
Easy
Anonymous
Easy
FiPloit
Easy
Include me
Easy
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
Daily Hack Solved
- Pivot three hops to the vault
+10 XP
33 min ago
Daily Hack Solved
- Dox the domain owner
+10 XP
1 day ago
Active for 1 days
1 day ago
Daily Hack Solved
- Decode the calldata
+10 XP
3 days ago
Daily Hack Solved
- The none algorithm
+10 XP
3 days ago
Daily Hack Solved
- Find the SQL injection sink
+10 XP
4 days ago
Profile Updated
+3 XP
5 days ago
Chapter Completed
- Network commands
+1 XP
5 days ago
Chapter Completed
- Process management
+1 XP
5 days ago
Chapter Completed
- Pipes and data pipelines
+1 XP
5 days ago
Chapter Completed
- Users, groups, and permissions
+1 XP
5 days ago
Chapter Completed
- Searching for what matters
+1 XP
5 days ago
Chapter Completed
- Reading and manipulating files
+1 XP
5 days ago
Chapter Completed
- Filesystem navigation
+1 XP
5 days ago
Chapter Completed
- Your first terminal session
+1 XP
5 days ago
Flag Found
- JWT Bypass
+50 XP
5 days ago
Flag Found
- JWT Algo Confusion
+50 XP
5 days ago
Flag Found
- Packet Pursuit
+50 XP
5 days ago
Flag Found
- Shell Command Scanner
+50 XP
5 days ago
Flag Found
- WEP Cracker
+50 XP
5 days ago
Daily Hack Solved
- ZIP in disguise
+10 XP
6 days ago
Flag Found
- CSRF Bank Transfer
+50 XP
6 days ago
Daily Hack Solved
- The comment leak
+10 XP
6 days ago
Flag Found
- Reverse Engineering: License Key Crackme
+200 XP
6 days ago
Active for 2 days
1 week ago
Daily Hack Solved
- Leak the app admin token
+10 XP
1 week ago
Flag Found
- Session Switch
+50 XP
1 week ago
Flag Found
- Corporate Breach
+50 XP
1 week ago
Flag Found
- QR Code Quest
+50 XP
1 week ago
Flag Found
- DNS Exfil
+50 XP
1 week ago
Flag Found
- Crypto Cipher
+50 XP
1 week ago
Flag Found
- Hex Hunt
+50 XP
1 week ago
Flag Found
- Snapchat Exposed
+50 XP
1 week ago
Flag Found
- Get the Password
+50 XP
1 week ago
Flag Found
- Red is Dead
+50 XP
1 week ago
Flag Found
- Base64 Detective
+50 XP
1 week ago
Flag Found
- API Breaker
+50 XP
1 week ago
Flag Found
- Corporate Breach 2
+50 XP
1 week ago
Flag Found
- Blockchain Secrets
+50 XP
1 week ago
Flag Found
- PDF Trap
+50 XP
1 week ago
Flag Found
- Pixel Puzzler
+50 XP
1 week ago
Flag Found
- Sonic Cipher
+50 XP
1 week ago
Flag Found
- Rail Fence
+50 XP
1 week ago
Flag Found
- Flask Error
+50 XP
1 week ago
Flag Found
- Path Traversal
+50 XP
1 week ago
Flag Found
- Reverse Engineering: License Key Crackme
+200 XP
1 week ago
Flag Found
- API Logic Flaw
+50 XP
1 week ago
Flag Found
- Ping Pwn
+50 XP
1 week ago
Flag Found
- Auth Bypass
+50 XP
1 week ago