offensive-lorawan-sub-ghz

offensive-lorawan-sub-ghz is a skill for Claude Code, Codex from Miosa-osa/OSA. It costs 163 tokens per session (2,102 once invoked), scanned A, a copy of offensive-lorawan-sub-ghz, Apache-2.0.

A security testing guide for LoRaWAN and other low-frequency wireless devices. It covers attacks on connected sensors, remotes, garage doors, vehicle tyre sensors, and smart plugs.

In plain words
What is it for?
Assessing LoRaWAN networks and sub-GHz devices, including join security, message replay, downlink injection, and radio-protocol spoofing.
Why use it?
It helps testers find weaknesses such as reused keys, replayed radio messages, and forged network traffic in authorized assessments.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Assessing LoRaWAN networks and sub-GHz devices, including join security, message replay, downlink injection, and radio-protocol spoofing.

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Install with agentmods
npx agentmods add skills/miosa-osa/osa/offensive-lorawan-sub-ghz
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add Miosa-osa/OSA --skill offensive-lorawan-sub-ghz
Clone the repo
git clone --depth 1 https://github.com/Miosa-osa/OSA

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for offensive-lorawan-sub-ghz

README.md
[![agentmods](https://agentmods.dev/badge/skills/miosa-osa/osa/offensive-lorawan-sub-ghz/github.svg)](https://agentmods.dev/skills/miosa-osa/osa/offensive-lorawan-sub-ghz)
Your own site
<a href="https://agentmods.dev/skills/miosa-osa/osa/offensive-lorawan-sub-ghz"><img src="https://agentmods.dev/badge/skills/miosa-osa/osa/offensive-lorawan-sub-ghz/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for offensive-lorawan-sub-ghz

Your own site · 80×15
<a href="https://agentmods.dev/skills/miosa-osa/osa/offensive-lorawan-sub-ghz"><img src="https://agentmods.dev/badge/skills/miosa-osa/osa/offensive-lorawan-sub-ghz.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 163 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,102 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 88% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00163 $0.02102
Opus 5.5 $0.00065 $0.00841
Sonnet 5.5 $0.00033 $0.00420
Haiku 4.5 $0.00016 $0.00210

Measured 1mo ago against content hash f833cdddfe0b, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

offensive-lorawan-sub-ghz scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

88% identical to offensive-lorawan-sub-ghz — 40 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

priv/skills/offensive-lorawan-sub-ghz/SKILL.md · 223 lines

How it starts

The opening of the file, as written. The whole thing — 223 lines — stays where its author put it; the contents beside it link to each section on GitHub.

LoRaWAN & Sub-GHz Attacks

LoRaWAN provides long-range low-bitrate communication for IoT — common in smart cities, asset tracking, and industrial telemetry. Outside LoRaWAN, the 433 / 868 / 915 MHz ISM bands host garage doors, doorbells, smart plugs, weather stations, and TPMS — most with weak or no crypto.

Quick Workflow

  1. Identify the band + modulation (LoRa CSS vs. simple OOK/FSK)
  2. Capture transmissions with appropriate hardware (HackRF / RTL-SDR / Flipper Zero)
  3. For LoRaWAN: capture join + uplinks; analyze key derivation
  4. For proprietary sub-GHz: demodulate, identify packet format, replay or craft

Hardware

Tool Range Use
RTL-SDR RX only, 24 MHz–1.7 GHz Cheap reconnaissance
HackRF One RX/TX, 1 MHz–6 GHz Full transceiver
Flipper Zero RX/TX, sub-GHz Quick replays, fixed-code attacks
LimeSDR / BladeRF RX/TX, wider band Higher fidelity for LoRaWAN
YARD Stick One TX-focused sub-GHz Targeted replays
LoRa-specific gateway (RAK / Heltec) LoRaWAN dual-direction Standards-compliant LoRaWAN testing

LoRaWAN

LoRaWAN is a MAC layer over LoRa physical (chirp spread spectrum). Devices either:

  • OTAA (Over-the-Air Activation) — derive session keys at join
  • ABP (Activation By Personalization) — pre-flashed keys

OTAA Join Capture

# Capture LoRa packets with HackRF + Inspectrum
hackrf_transfer -r capture.iq -f 868000000 -s 1000000 -n 60000000
# Or LoRa-specific: rak_common_for_gateway

# Decode with PHY + MAC stack
git clone https://github.com/Lora-net/LoRaMac-node
# Or use ChirpStack as a sniffing gateway

The Join-Request and Join-Accept are encrypted with the device's AppKey. With AppKey (extracted from device firmware — see offensive-iot):

  • Decrypt Join-Accept → recover NwkSKey, AppSKey
  • Subsequent traffic decryption + injection

ABP — Pre-Flashed Keys

ABP devices have NwkSKey + AppSKey flashed at manufacture. Common flaws:

  • Same key across thousands of devices (vendor laziness)
  • No frame counter rollover protection → replay any historical uplink
  • DevAddr predictability (sequential allocation)

Read the full file on GitHub · 223 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 1mo ago First seen · 223 lines · 163 tokens per session scan A f833cdddfe0b

Subscribe to this mod's changes

offensive-lorawan-sub-ghz is a skill published in the GitHub repository Miosa-osa/OSA (78 stars, last pushed 11d ago), licensed Apache-2.0. It adds 163 tokens to every session and 2,102 once invoked, about $0.0007 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 88% identical to offensive-lorawan-sub-ghz, differing in 40 lines, and is treated as a copy.

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