m57/dnsteal
DNS Exfiltration tool for stealthily sending files over DNS requests. observed · 2026-08-28
Health v2 · maintenance only
32/100
- Activity 0
- Release rhythm 35
- Longevity 100
Flags: no_releases
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-02. Adoption (stars, forks) is never an input.
- gap_med: n/a
- age_days: 4040
- days_rel: n/a
- days_push: 1672
- n_releases_24m: 0
Adoption not part of the score
1730 stars · 232 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded
dnsteal is a fake DNS server written in Python that enables stealthy exfiltration of files from a victim machine via DNS requests. It supports multiple file transfers, gzip compression, and customizable subdomain encoding parameters.
Use cases
- exfiltrate files from a compromised machine over DNS
- test data loss prevention (DLP) and egress filtering controls
- demonstrate DNS tunneling in security assessments
- simulate covert channel attacks in red team exercises
- transfer files out of networks that only allow DNS traffic
When to choose
- you need to demonstrate or test DNS-based data exfiltration during a penetration test
- you want a lightweight, single-file Python tool with no dependencies
- you need to validate whether a network's security controls detect DNS tunneling
When to avoid
- you need a general-purpose DNS server or DNS tunneling client for legitimate remote access
- you require high-throughput or reliable file transfer over a controlled network
- you need a maintained tool with active development and modern features
Facets
cli-tool · maturity maintenance
networking security cli security penetration-testing networking python windows cross-platform dns-exfiltration data-exfiltration fake-dns-server red-team penetration-testing-tools command-line linux macos
1 source
- readme: https://github.com/m57/dnsteal · fetched 2026-08-28 · fbb41b42dca7
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| m57/dnsteal | main | 32 |
For agents
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem