BlackHat Zig

Offensive Security, Exploit Development, and Tooling with the Zig Programming Language

1. About this book

Introduction: The Right Tool for the Job

Chapter 1: Why Zig for Security?

1. The Language: Zero-Cost Abstractions, Comptime, and the “C-Compatible ABI” Promise
2. Zig vs. C/C++: Memory Control, Undefined Behavior, and Compilation Model
3. Zig vs. Rust: Safety Guarantees, Ecosystem Maturity, and Learning Curve
4. The Security Tooling Gap: Why Security Tools Need a Different Language Profile
5. Ethical Framework: Educational and Research Focus

Chapter 2: Zig’s Memory Model, the Foundation of Exploit Code

1. Allocators in Zig: std.heap, Custom Allocators, and Arena Patterns
2. Stack-Allocation-First Design: Why It Matters for Performance and Predictability
3. Explicit Memory Control: No Garbage Collector, No Hidden Allocations
4. Buffer Overflows and Memory Safety: How Zig’s Model Helps (and Where It Doesn’t)
5. Case Study: Building a Stack-Smashing Detector in Zig

Chapter 3: Comptime Metaprogramming, Code Generation for Security Tools

1. Comptime Fundamentals: Compile-Time Execution and Type-Level Programming
2. Code Generation Patterns: Generating Parsers, Encoders, and Protocol Handlers at Compile Time
3. Type Introspection: Building Reflective Security Utilities
4. Case Study: A Comptime-Driven Packet Parser Generator
5. Trade-offs: Readability vs. Metaprogramming Complexity
6. Packed Structs and Binary Format Mapping

Chapter 4: C Interop, Bridging to the World of Exploits

1. The C ABI Bridge: How Zig Compiles C Headers and Calls C Code
2. Calling Conventions and Pointer Types: Mapping C Types to Zig
3. Replacing C in Exploit Code: When to Use Zig’s FFI vs. Inline Assembly
4. Case Study: Porting a C Exploit PoC to Zig
5. Limitations: What Doesn’t Work Seamlessly

Chapter 5: Reverse Engineering with Zig, Tools and Techniques

1. Binary Parsing in Zig: Reading ELF, PE, Mach-O Formats
2. Building a Minimal Disassembler: x86/x64 Instruction Decoding
3. Symbol Resolution and Import Tables: Navigating Binaries Without libc Dependencies
4. Case Study: A Comptime-Driven Disassembler for x86_64
5. Performance: Why Zig’s Zero-Cost Model Matters for BE

Chapter 6: Exploit Development, Shellcode, PoCs, and ROP Chains

1. Shellcode in Zig: Position-Independent Code, No libc Dependencies
2. Writing Exploit POCs: Structured Exploit Code vs. Ad-Hoc Scripts
3. ROP Chain Construction: Building Chains with Comptime Helpers
4. ASLR, PIE, and NX: How Modern Mitigations Affect Exploit Design
5. Case Study: A Complete Exploitation Chain from Vulnerability to Shell

Chapter 7: Network Security, Sockets, Protocols, and Packet Crafting

1. Socket Programming in Zig: TCP, UDP, and Raw Sockets
2. Protocol Parsing: TCP/IP, DNS, HTTP, and Custom Protocols
3. Packet Crafting and Injection: Building Packets from Scratch
4. Network Security Tooling: Scanners, Sniffers, and Protocol Analyzers
5. Real-World Case Studies: Building Security Tools in Zig
6. Trade-offs: When to Use High-Level vs. Low-Level Networking

Chapter 8: Red Teaming and Stealth Techniques, Evasion at the Binary Level

1. Compilation Artifacts: Controlling Binary Signatures, Symbols, and Metadata
2. Anti-Analysis Techniques: Obfuscation Through Comptime, Packing, and Control Flow Manipulation
3. Control Flow Flattening and Instruction Substitution
4. Steganography in Zig: Embedding Data in Compiled Binaries
5. Case Study: A Stealthy C2 Beacon in Zig
6. Ethical Considerations: When Evasion Crosses from Research to Abuse

Chapter 9: Operating System Internals, Kernel-Level Security Tooling

1. Syscall Wrappers in Zig: Direct Syscall Invocation Without libc
2. Building a Minimal Kernel Module: Using Zig’s Object-File Output
3. Memory-Mapped I/O and Hardware Access: Pointer Arithmetic and Volatile Access
4. Case Study: A Kernel-Mode Driver for Security Monitoring
5. Platform Differences: Linux, Windows, macOS Support

Chapter 10: Detection Evasion, Bypassing Security Software with Zig

1. Static Analysis Evasion: Binary Signature Randomization, Symbol Control
2. AMSI and ETW Bypass Concepts: How Runtime Hooking Interacts with Compiled Code
3. Behavioral Stealth: Minimizing Suspicious API Call Patterns
4. Case Study: A Multi-Stage Loader with Comptime Obfuscation
5. The Cat-and-Mouse Game: Detection vs. Evasion Arms Race

Chapter 11: Defensive Countermeasures, Writing Secure Tools in Zig

1. Memory Safety in Blue-Team Tools: Using Zig’s Allocator Model to Prevent CVEs in Your Own Tools
2. Fuzzing with Zig: Building Fast, Deterministic Fuzzers
3. Static Analysis and Compile-Time Checks: Catching Bugs Before They Reach Production
4. Case Study: A Memory-Safe Network Scanner in Zig
5. Trade-offs: When Safety Features Add Overhead

Chapter 12: The Future of Zig in Security, Ecosystem, Community, and Roadmap

1. The Zig Ecosystem Today: Build System, Stdlib Maturity, and Third-Party Libraries
2. Security Community Adoption: What Tools Exist, What’s Missing
3. The Road Ahead: Zig 0.14+, Planned Features, and Security-Relevant Improvements
4. Building Your First Zig Security Tool: A Hands-On Walkthrough
5. Final Assessment: Is Zig Ready for Production Security Work?

Conclusion: The Right Tool for the Right Job

References