offensive-krack-fragattacks skillA
offensive-krack-fragattacks is agent-read markdown (skill) from snailsploit/claude-red: KRACK (CVE-2017-13077..082) and FragAttacks (CVE-2020-24586..588 + 26139-26147) — key reinstallation, fragmentation, and aggregation attacks against WPA2 supplicants. Covers Vanhoef's test scripts, viability against modern patched stacks (mostly mitigated post-2021), residual unpatched embedded devices and IoT vendors, and the practical limitations of these attacks in modern engagements. Use when assessing legacy supplicants, embedded clients, or vendors with poor patch cadence..
Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.
What the file says
# KRACK & FragAttacks Two attack families against WPA2 client implementations. Both well-disclosed (KRACK 2017, FragAttacks 2021) and largely patched on modern OSes — but the embedded/IoT long tail keeps them in scope for many engagements. ## When These Apply | Family | Target | Patch Status | |---|---|---| | KRACK | WPA2 supplicants in 4-way handshake / GTK / FT / TDLS | Major OSes patched 2017–2018 | | FragAttacks | Frame fragmentation/aggregation across WPA2/3 | Most stacks patched 2021–2022 | Probability of success today is high only against: - Embedded OEM devices (cameras, sensors, point-of-sale) - Old Android phones (<8 unpatched) - Industrial / SCADA Wi-Fi clients - Wi-Fi-enabled toys, smart bulbs, no-name IoT Modern Win11 / iOS 16+ / Android 13+ / hostapd-2.10 are mitigated. ## KRACK — Key Reinstallation The 4-way handshake's M3 retransmission causes the supplicant to reinstall the same PTK with reset nonce/replay counters. Frames encrypted under the reused keystream become decryptable. ```bash # Vanhoef's official test scripts git clone https://github.com/vanhoefm/krackattacks-scripts cd krackattacks-scripts/krackattack …
Read the whole file at its exact version.
How to install
mdr add snailsploit/claude-red/offensive-krack-fragattacks@git:20260506.c7b211bmdr add snailsploit/claude-red/offensive-krack-fragattacks@sha256:12dea4e775fa3f28Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.
[](https://markdownregistry.com/a/art_sszbmbtayjbrqnwm)
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Versions
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (4542 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
snailsploit/claude-red · 6,831 stars · license MIT · pushed 2026-09-19 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_sszbmbtayjbrqnwm GET https://markdownregistry.com/api/v1/resolve?ref=snailsploit/claude-red/offensive-krack-fragattacks GET https://markdownregistry.com/api/v1/blob/12dea4e775fa3f28d89ab1223bb4810bce21a5ac13cf300dbe54583abbd28316
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