m-novotny
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memguard-rs
A Rust library that provides secure memory handling primitives including zeroization on drop, memory locking, constant-time comparison, and compile-time guarded regions, with zero dependencies and no_std support.
AI repository intelligence
FR-AI / ANALYSISWhy it is worth attention
It offers a zero-dependency, cross-platform approach to passive hostname enumeration using Shodan data, making it accessible for quick reconnaissance without setup overhead.
Who it is for
- Penetration testers and security researchers
- Bug bounty hunters
- System administrators performing asset discovery
- Red teamers in authorized assessments
Use cases
- Discover web-facing hostnames for a target domain during reconnaissance
- Batch enumerate multiple domains for asset mapping
- Generate a list of subdomains for further passive or active analysis
- Quickly check a domain's exposure without installing heavy tools
Strengths
- No API key or third-party dependencies required, only Python 3.10+
- Runs on Linux, Termux, and Windows with identical functionality
- Supports batch input, JSON output, and optional DNS resolution
- Outputs to stdout in a pipe-friendly format (domain<tab>hostname)
Considerations
- Data is pulled exclusively from Shodan's ctl endpoint, which may have coverage limitations
- Cannot perform active scanning or port enumeration; only passive hostname discovery
- Requires internet access to ctl.shodan.io and is reliant on its availability
README quick start
Installation
Description
Portable passive hostname reconnaissance through Shodan CTL
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