🛡️ Flowchart Sistem Deteksi Malware

graph TB Start([👤 User Upload File]) --> Validate{Validasi File} Validate -->|❌ Size > 50MB| Error1[Error: File Terlalu Besar] Validate -->|❌ Format Invalid| Error2[Error: Format Tidak Valid] Validate -->|✅ Valid| Save[💾 Simpan Temporary
/uploads/] Save --> Hash[🔐 Hitung Hash] Hash --> MD5[MD5 Hash] Hash --> SHA256[SHA256 Hash] MD5 --> CheckDB{📊 Cek Database
malware_signatures} SHA256 --> CheckDB CheckDB -->|✅ Hash Match| Malicious[🔴 MALICIOUS
Known Malware] CheckDB -->|❌ No Match| ReadFile[📄 Baca File Content] ReadFile --> Rules{📋 Rule-Based
Pattern Matching} Rules --> P1[eval\( ] Rules --> P2[base64_decode] Rules --> P3[shell_exec] Rules --> P4[\$_POST.*eval] Rules --> P5[c99|r57|wso] P1 --> Found{Pattern
Found?} P2 --> Found P3 --> Found P4 --> Found P5 --> Found Found -->|✅ Yes| Suspicious[🟡 SUSPICIOUS
Malicious Pattern] Found -->|❌ No| CheckZip{📦 ZIP/RAR?} CheckZip -->|Yes| Extract[Ekstrak Archive] Extract --> ScanInside[Scan Files Inside] ScanInside --> ThreatInside{Threat?} ThreatInside -->|Yes| Suspicious ThreatInside -->|No| CheckAI CheckZip -->|No| CheckAI{🤖 AI Enabled?} CheckAI -->|Yes| CallAPI[Call Claude API] CallAPI --> AIAnalysis[AI Analysis:
- Behavioral Pattern
- Code Structure
- Obfuscation] AIAnalysis --> AIResult{AI Risk Level} AIResult -->|HIGH/CRITICAL| Suspicious AIResult -->|MEDIUM| Suspicious AIResult -->|LOW| Safe[🟢 SAFE
No Threats] CheckAI -->|No| Safe Malicious --> SaveDB[(💾 Save to Database
MariaDB)] Suspicious --> SaveDB Safe --> SaveDB SaveDB --> DeleteTemp[🗑️ Delete Temporary File] DeleteTemp --> ShowResult[📊 Tampilkan Hasil] ShowResult --> UserAction{User Action} UserAction -->|View Detail| Detail[📄 Detail Page:
- Filename
- MD5/SHA256
- Threat Level
- Detection Method] UserAction -->|View History| History[📊 History Page:
- Total Scans
- Statistics
- All Records] UserAction -->|Delete| Delete[🗑️ Delete from DB] UserAction -->|Scan Again| Start History --> HistoryAction{Action} HistoryAction -->|View Detail| Detail HistoryAction -->|Delete One| Delete HistoryAction -->|Delete All| DeleteAll[🗑️ Truncate Table] style Malicious fill:#fee2e2,stroke:#ef4444,stroke-width:3px style Suspicious fill:#fef3c7,stroke:#f59e0b,stroke-width:3px style Safe fill:#d1fae5,stroke:#10b981,stroke-width:3px style CallAPI fill:#e0e7ff,stroke:#667eea,stroke-width:2px style AIAnalysis fill:#e0e7ff,stroke:#667eea,stroke-width:2px style SaveDB fill:#ddd6fe,stroke:#8b5cf6,stroke-width:2px