Package evidence

[email protected]

Js Decode Then Exec: base64 / atob / fromCharCode decode adjacent to eval / new Function — canonical obfuscated-loader pattern.

Trust signals

Why this verdict

PkgRadar discounts a release’s score when public reputation argues against novel malware. The verdict above already reflects these — the panel just explains what was applied.

Versions published: 2
First published: May 2026
Publisher: niessen

Recommended action

Review before promoting

Mixed signals: the package has indicators worth reading before allowing the update in automated dependency flows.

Inspect tarball Add to CI gate

Block this release in CIcurl · GitHub Actions

Fail the build when this package version is added or upgraded. Replace $PKGRADAR_TOKEN with a Pro / Team API key from your dashboard.

curl -fsS https://pkgradar.com/gate/npm \
  -H "Authorization: Bearer $PKGRADAR_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"specs":["[email protected]"],"fail_on":"review"}'

GitHub Actions step:

- name: PkgRadar gate
  run: |
    curl -fsS https://pkgradar.com/gate/npm \
      -H "Authorization: Bearer ${{ secrets.PKGRADAR_TOKEN }}" \
      -H "Content-Type: application/json" \
      -d '{"specs":["[email protected]"],"fail_on":"review"}'

Publisherniessen

Artifact bytes181,546

Previous version1.0.0

Published2026-05-31T16:47:03.222Z

SHA-25693eebad029aa027f10a1122bc61d91f9385433d7c25fb9fd4eefbaac724351dc

Why flagged

What the scanner saw

Js Decode Then Exec: base64 / atob / fromCharCode decode adjacent to eval / new Function — canonical obfuscated-loader pattern.

Not observed: package install, lifecycle script execution, or sandbox execution. PkgRadar only inspects on-disk artifacts.

Availability ledger

available

review

17d agoLast checked

reviewRisk

50Score

1.1.0Version

Status history (1 event)

new → available17d ago · risk review · score 50 · status changed

Evidence

Static findings

2 static · 0 from release diff · showing high-signal first.

Severity	Kind	Path	Detail	Points
high	Js Decode Then Exec	package/dist/packages/scanner/src/signatures.js	base64 / atob / fromCharCode decode adjacent to eval / new Function — canonical obfuscated-loader pattern.	45

Show all 2 findings (low-signal and informational)

Severity	Kind	Path	Detail	Points
high	Js Decode Then Exec	package/dist/packages/scanner/src/signatures.js	base64 / atob / fromCharCode decode adjacent to eval / new Function — canonical obfuscated-loader pattern.	45
low	Credential file access	package/dist/packages/scanner/src/signatures.js	matched ".aws/"	5

Manifest

Package metadata

Scripts6

buildtsc -p tsconfig.json
checkpnpm build && node ./dist/bin/proofstrike.js doctor
cleannode -e "require('fs').rmSync('dist',{recursive:true,force:true})"
proofstrikepnpm build && node ./dist/bin/proofstrike.js
review:fixturepnpm build && node ./dist/bin/proofstrike.js review --root fixtures/vulnerable-webapp --stage pull_request --files src/api/users.ts,src/api/admin.ts --format markdown,json,sarif
testpnpm build && node dist/tests/run-tests.js

Dependencies5

commander^14.0.3
fast-glob^3.3.3
picomatch^4.0.4
yaml^2.9.0
zod^4.4.3