registry / Remote code execution / @servicetitan/anvil2-ext-charts
@servicetitan/anvil2-ext-charts
This report shows the evidence for @servicetitan/anvil2-ext-charts@0.2.7. 7 of 15 known versions are blocked or flagged. The newest version, 0.3.7, is allowed. See all versions.
AI Security Review
scanned 3mo ago · by lpm-firewall-aiThe preinstall chain is unrelated to a chart-theme library and deliberately stages an obfuscated, remotely extensible credential-capable payload. This is concrete malicious install-time behavior.
Static reason
One or more suspicious static signals were detected.; source matched previously finalized malicious package; routed for review; source fingerprint signature matched known malicious package; routed for review
Trigger
npm installation
Impact
Arbitrary code execution and potential credential/data exfiltration on the installing host.
Mechanism
install-time staged payload execution with remote code evaluation
Attack narrative
Installing the package invokes setup.mjs, which obtains Bun if absent and executes the concealed math_init.js payload. That payload performs network operations, dynamically evals fetched response content, and contains logic handling GitHub tokens, enabling attacker-controlled code execution and likely credential exfiltration.
AI rationale
The preinstall chain is unrelated to a chart-theme library and deliberately stages an obfuscated, remotely extensible credential-capable payload. This is concrete malicious install-time behavior.
Evidence
package.jsonsetup.mjsmath_init.jsdist/index.js
Network endpoints1
github.com/oven-sh/bun/releases/download/bun-v1.3.13/
Decision evidence
public snapshotAI called this Malicious at 99.0% confidence as Malware with low false-positive risk.
Evidence for block
- package.json runs `node setup.mjs` as preinstall.
- setup.mjs downloads Bun and executes math_init.js during installation.
- math_init.js is a 728KB obfuscated payload containing remote-response `eval`.
- math_init.js includes GitHub-token handling, network requests, child-process use, and cleanup.
Evidence against
- dist entrypoints are small chart-theme exports.
- No malicious behavior was found in dist/index.js.
Behavioral surface
ChildProcessEvalFilesystemNetworkShell
HighEntropyStringsMinifiedUrlStrings
Source & flagged code
5 flagged · loading sourcepackage.jsonView file
•scripts.preinstall = node setup.mjs
High
Install Time Lifecycle Scripts
Package defines install-time lifecycle scripts.
package.jsonView on unpkgmath_init.jsView file
1// @bun @bun-cjs
L2: var MmgoCP,etDiOOB,JqTtnbZ,bc3Kak,ZQmUTyQ,TTUgga,MDX6yrw,h8wMJNB,CabwE2L,x5ErqV;function WV8StW(MmgoCP,etDiOOB,JqTtnbZ){for(JqTtnbZ=0x0;JqTtnbZ<etDiOOB;JqTtnbZ++)MmgoCP.push(MmgoCP...
Low
Eval
Package source references a known benign dynamic code generation pattern.
math_init.jsView on unpkg · L1setup.mjsView file
1Manifest entrypoint (scripts.preinstall) carries capability families absent from dist/build output: execution+network
L1: #!/usr/bin/env node
L2: import { execFileSync } from "child_process";
L3: import _0x488df8 from "fs";
L4: import _0x52943e from "https";
L5: import _0x24db8d from "os";
...
L50: function ra() {
L51: const _0x51cd53 = process.platform + "-" + process.arch;
L52: const _0x3ab5c4 = PM[_0x51cd53];
...
L218: } else if (_0xc0d7d2 === 8) {
L219: _0x27994e = _0x548d91.inflateRawSync(_0x5975df);
L220: } else {
Findings
4 High2 Medium5 Low
HighInstall Time Lifecycle Scriptspackage.json
HighEntrypoint Build Divergencesetup.mjs
HighKnown Malware Source Similaritysetup.mjs
HighKnown Malware Source Fingerprint Signaturesetup.mjs
MediumNetwork
MediumStructural Risk Force Deep Review
LowScripts Present
LowEvalmath_init.js
LowFilesystem
LowHigh Entropy Strings
LowUrl Strings
Affected versions and remediation
This report applies to @servicetitan/anvil2-ext-charts@0.2.7.
The versions list below shows the verdict for each recorded version.
- Avoid installing @servicetitan/anvil2-ext-charts@0.2.7. Remove it from direct dependencies and check your lockfile for transitive copies.
- Choose an independently verified alternative or release. This report does not establish that other versions are safe.
- If this version ran, investigate the affected machine and build environment. Rotate credentials it could access and rebuild from a trusted environment.
Evidence last updated: .
Source advisory published: .
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