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feat(canary): fingerprint_html + fingerprint_svg generators

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Two new synthesised-artifact generators that bake the obfuscated
fingerprint payload into plausible-looking decoy files:

* fingerprint_html — a mundane "Internal Asset Directory" page with a
  small table of fake hosts; the obfuscated payload is inlined at the
  bottom of <body>. Visible content (row pool slice, sync timestamp)
  also varies per mint via SHA-256-derived stable ints, so two
  extracted canaries don't diff to zero even on the rendered surface.
* fingerprint_svg — standalone SVG with an embedded <script> CDATA
  block. SVG <script> only fires for top-level loads / <object> /
  <iframe>; <img>-referenced renders are safely inert.

Both derive the mint UUID via uuid.uuid5 from the callback token, so
re-mints are byte-identical (preserving the generator determinism
contract) AND the same token produces the same mint UUID across HTML
and SVG variants — the worker can correlate beacons across artifact
shapes.

Wired into the factory + KNOWN_GENERATORS, default placement paths
under ~/Documents/asset_directory.html and ~/Documents/network_topology.svg
for both linux and windows personas. Tests cover determinism, per-token
divergence, structural validity (DOCTYPE/SVG headers), and that the
beacon URL stays inside the obfuscated string array (not in plaintext).
The two new entries skip in test_generators.py when Node toolchain is
absent so bare CI checkouts still pass.
This commit is contained in:
anti
2026-04-29 16:22:18 -04:00
parent 12cd7ad9cb
commit f64e78f78c
6 changed files with 363 additions and 0 deletions
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4
decnet/canary/paths.py
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@@ -28,6 +28,8 @@ _LINUX_DEFAULTS: dict[str, str] = {
"honeydoc": "/home/{user}/Documents/quarterly_report.html",
"honeydoc_docx": "/home/{user}/Documents/quarterly_report.docx",
"honeydoc_pdf": "/home/{user}/Documents/quarterly_report.pdf",
"fingerprint_html": "/home/{user}/Documents/asset_directory.html",
"fingerprint_svg": "/home/{user}/Documents/network_topology.svg",
}
_WINDOWS_DEFAULTS: dict[str, str] = {
@@ -38,6 +40,8 @@ _WINDOWS_DEFAULTS: dict[str, str] = {
"honeydoc": "/home/{user}/Documents/quarterly_report.html",
"honeydoc_docx": "/home/{user}/Documents/quarterly_report.docx",
"honeydoc_pdf": "/home/{user}/Documents/quarterly_report.pdf",
"fingerprint_html": "/home/{user}/Documents/asset_directory.html",
"fingerprint_svg": "/home/{user}/Documents/network_topology.svg",
}