@testsmith/api-spector-agent@0.5.0
API Spector private runner: monitor internal/local APIs the cloud cannot reach, with no inbound connections.
AI Security Review
scanned 2mo ago · by lpm-firewall-aiThis is not concrete install-time malware, but it is a high-impact dual-use remote runner whose configured control server can direct internal API activity and receive captured data. Downgrade to warn rather than block because the source contains no lifecycle hook, stealth, or hard-coded attacker endpoint.
Static reason
One or more suspicious static signals were detected.
Trigger
A user runs the CLI with APP_URL and AGENT_TOKEN or RUNTIME_TOKEN.
Impact
A compromised or untrusted configured server could direct internal API requests and receive associated request or response data.
Mechanism
Remote monitor polling with VM-based test scripts and result upload.
AI rationale
This is not concrete install-time malware, but it is a high-impact dual-use remote runner whose configured control server can direct internal API activity and receive captured data. Downgrade to warn rather than block because the source contains no lifecycle hook, stealth, or hard-coded attacker endpoint.
Evidence
dist/index.cjs
Decision evidence
public snapshotAI called this Suspicious at 87.0% confidence as Dangerous Capability with medium false-positive risk.
Evidence for warning
- It runs monitor-provided JavaScript in a Node VM context.
- It polls a user-configured server for monitor definitions and executes each returned job.
- It returns request headers and bodies, plus response data, to that server; the agent passes no PII masking patterns.
Evidence against
- package.json has no preinstall, install, postinstall, or other lifecycle script.
- The network destination is supplied by APP_URL at runtime, not hard-coded.
- The VM context exposes a limited test-oriented API and has a five-second timeout; no child-process or native payload execution was found.
Behavioral surface
CryptoEnvironmentVarsFilesystemNetwork
HighEntropyStringsPossibleObfuscationUrlStrings
Source & flagged code
6 flaggeddist/index.cjsView file
247}, m76.utcOffset = function() {
L248: return 15 * -Math.round(this.$d.getTimezoneOffset() / 15);
L249: }, m76.diff = function(r53, d75, l76) {
...
L356: * @see DOMParser.SupportedType.isHTML
L357: * @see https://www.iana.org/assignments/media-types/text/html IANA MimeType registration
L358: * @see https://en.wikipedia.org/wiki/HTML Wikipedia
...
L578: /**
L579: * @private
L580: * @param {function (Node):boolean} predicate
...
L915: function _xmlEncoder(c70) {
L916: return c70 == "<" && "<" || c70 == ">" && ">" || c70 == "&" && "&" || c70 == '"' && """ || "&#" + c70.charCodeAt() + ";";
L917: }
High
Obfuscated Payload Loader
Source contains an obfuscated payload loader that reconstructs and executes hidden code.
dist/index.cjsView on unpkg · L247•stage = ast_semantic_analysis; reason = ast_trace_path_limit_exceeded; limitedFiles = 1
High
Semantic Analysis Limited
A bounded semantic-analysis stage reached its safety limit; remaining detectors completed, but this package requires AI review.
dist/index.cjsView on unpkg247}, m76.utcOffset = function() {
L248: return 15 * -Math.round(this.$d.getTimezoneOffset() / 15);
L249: }, m76.diff = function(r53, d75, l76) {
...
L356: * @see DOMParser.SupportedType.isHTML
L357: * @see https://www.iana.org/assignments/media-types/text/html IANA MimeType registration
L358: * @see https://en.wikipedia.org/wiki/HTML Wikipedia
...
L578: /**
L579: * @private
L580: * @param {function (Node):boolean} predicate
...
L915: function _xmlEncoder(c70) {
L916: return c70 == "<" && "<" || c70 == ">" && ">" || c70 == "&" && "&" || c70 == '"' && """ || "&#" + c70.charCodeAt() + ";";
L917: }
Findings
2 High7 Medium3 Low
HighObfuscated Payload Loaderdist/index.cjs
HighSemantic Analysis Limiteddist/index.cjs
MediumUnsafe Vm Contextdist/index.cjs
MediumNetwork
MediumEnvironment Vars
MediumOversized Source Filedist/index.cjs
MediumOversized Cli Entrypointdist/index.cjs
MediumStructural Risk Force Deep Review
MediumAi Review Evidencedist/index.cjs
LowFilesystem
LowHigh Entropy Strings
LowUrl Strings
Affected versions and remediation
This report applies to @testsmith/api-spector-agent@0.5.0.
See all versions of @testsmith/api-spector-agent for other recorded verdicts.
- Review the evidence and your use of @testsmith/api-spector-agent@0.5.0 before allowing it. Restrict the permissions described in this report.
- Choose an independently verified alternative or release. This report does not establish that other versions are safe.
Evidence last updated: .
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