Update .gitignore for new project structure

- Remove references to deleted stub directory
- Add patterns for build artifacts, binaries, and malware files
- Include common IDE and temporary file patterns

.gitignore

@@ -1,2 +1,26 @@
-crypt/target/*
-stub/target/*
+# Rust build artifacts
+crypt/target/
+**/target/
+
+# Compiled binaries
+linux_injector
+*.exe
+
+# Encrypted payload files
+encrypted_payload.bin
+decryption_metadata.bin
+
+# Malware files (should not be committed)
+*.dll
+*.so
+libphotoshop.*
+
+# Temporary files
+*.tmp
+*~
+
+# IDE files
+.vscode/
+.idea/
+*.swp
+*.swo