🌐 NullSec NetSeer

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🎯 Overview

NullSec NetSeer is a Secure passive network traffic analyzer written in Haskell. It leverages the power of pure functional programming to provide mathematically provable security guarantees through strong typing and immutability.

✨ Features

• 📊 Traffic Analysis - Deep packet inspection and flow analysis
• 🔍 Protocol Detection - Identify protocols in network streams
• 📈 Statistics - Real-time traffic statistics and metrics
• 🛡️ Type-Safe - Strong typing prevents entire classes of bugs
• ♻️ Immutable - No side effects in core analysis logic
• 📝 Reports - Comprehensive traffic reports

🛡️ Security Features

┌─────────────────────────────────────────────┐
│        NullSec NetSeer v2.0.0              │
├─────────────────────────────────────────────┤
│  ✓ Pure Functional Design                  │
│  ✓ Strong Type Safety (Newtypes)           │
│  ✓ Smart Constructors for Validation       │
│  ✓ Bounded Data Structures                 │
│  ✓ Immutable Data Throughout               │
│  ✓ Explicit Error Handling (No Exceptions) │
│  ✓ Memory Exhaustion Prevention            │
└─────────────────────────────────────────────┘

📦 Installation

From Source

# Clone the repository
git clone https://github.com/bad-antics/nullsec-netseer.git
cd nullsec-netseer

# Build with Cabal
cabal update
cabal build

# Or with Stack
stack build

# Install
cabal install

Requirements

• GHC 9.4 or later
• Cabal 3.8+ or Stack 2.9+
• libpcap development libraries

Dependencies

- base >= 4.16
- bytestring >= 0.11
- containers >= 0.6
- time >= 1.12
- directory >= 1.3

🚀 Usage

# Analyze pcap file
./nullsec-netseer --input capture.pcap

# Live capture (requires root)
sudo ./nullsec-netseer --interface eth0

# Generate statistics report
./nullsec-netseer --input capture.pcap --stats

# Filter by protocol
./nullsec-netseer --input capture.pcap --protocol tcp

# Export analysis
./nullsec-netseer --input capture.pcap --output analysis.json

Command Line Options

Flag	Description
--input <file>	Input pcap file to analyze
--interface <if>	Live capture interface
--stats	Show traffic statistics
--protocol <proto>	Filter by protocol
--top <n>	Show top N flows
--output <file>	Output file for reports
--verbose	Enable verbose output
--version	Show version information

📊 Output Example

███╗   ██╗███████╗████████╗███████╗███████╗███████╗██████╗ 
████╗  ██║██╔════╝╚══██╔══╝██╔════╝██╔════╝██╔════╝██╔══██╗
██╔██╗ ██║█████╗     ██║   ███████╗█████╗  █████╗  ██████╔╝
██║╚██╗██║██╔══╝     ██║   ╚════██║██╔══╝  ██╔══╝  ██╔══██╗
██║ ╚████║███████╗   ██║   ███████║███████╗███████╗██║  ██║
╚═╝  ╚═══╝╚══════╝   ╚═╝   ╚══════╝╚══════╝╚══════╝╚═╝  ╚═╝
             bad-antics • Network Traffic Analyzer

[*] Analyzing: capture.pcap
[+] Packets processed: 142,857
[+] Flows identified: 3,421

┌──────────────────────────────────────────┐
│           Traffic Statistics             │
├──────────────────────────────────────────┤
│  Total Bytes:     2.4 GB                 │
│  Total Packets:   142,857                │
│  Unique IPs:      1,234                  │
│  Duration:        3h 24m 15s             │
├──────────────────────────────────────────┤
│  Protocol Breakdown:                     │
│    TCP:    78.4%  (111,999 pkts)        │
│    UDP:    19.2%  (27,428 pkts)         │
│    ICMP:    2.4%  (3,430 pkts)          │
└──────────────────────────────────────────┘

🔐 Type Safety Architecture

-- Smart constructors ensure validation at creation
mkValidIP :: Word32 -> Either String ValidIP
mkValidPort :: Word16 -> Either String ValidPort
mkValidPath :: FilePath -> Either String ValidPath

-- Newtypes prevent mixing different data types
newtype ValidIP = ValidIP { getIP :: Word32 }
newtype ValidPort = ValidPort { getPort :: Word16 }

-- Pure functions with no side effects
analyzePacket :: ValidPacket -> Either AnalysisError PacketInfo

📜 License

NullSec Proprietary License - See LICENSE file for details.

👤 Author

bad-antics

• GitHub: @bad-antics
• Website: bad-antics.github.io
• Twitter: x.com/AnonAntics

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