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@agentgates/cli@0.20.0: Malicious npm security report (Block) | LPM Firewall

registry / @agentgates/cli / 0.20.0

@agentgates/cli@0.20.0

Wallet operations for AI agents and humans

AI Security Review

scanned 1mo ago · by lpm-firewall-ai

Installing the package automatically modifies configuration used by multiple AI-agent products. It adds instructions that steer wallet and password operations to this package's CLI.

Static reason

High-risk behavior combination matched malicious policy.; source matched previously finalized malicious package; routed for review; source fingerprint signature matched known malicious package; routed for review

Trigger

npm installation invokes postinstall.

Impact

AI agents may be persistently redirected toward wallet and password commands without the user's consent.

Mechanism

Install-time injection into AI-agent instruction files.

Attack narrative

On installation, package.json launches scripts/postinstall.mjs. That script detects Claude Code, Cursor, and Windsurf locations and writes a marked instruction block into their configuration files. The block tells agents to use this CLI for wallet actions and presents password operations as requiring no human. This is an unconsented, install-time mutation of foreign AI-agent control surfaces, with instructions designed to influence financial and credential-related actions.

AI rationale

The package has a concrete automatic postinstall persistence mechanism that mutates broad, foreign AI-agent control surfaces. Its injected instructions steer agents toward wallet and password capabilities, so it meets the install-hook abuse blocking rule.

Evidence

package.jsonscripts/postinstall.mjs~/.claude/CLAUDE.md~/.cursor/rules/agentgates.md~/.windsurfrules

Decision evidence

Source & flagged code

12 flagged · loading source

package.jsonView file

•scripts.postinstall = node scripts/postinstall.mjs || exit 0

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg

•scripts.postinstall = node scripts/postinstall.mjs || exit 0

Medium

Ambiguous Install Lifecycle Script

Install-time lifecycle script is not statically allowlisted and needs review.

package.jsonView on unpkg

dist/cli.mjsView file

56* Constructs the CommanderError class L57: * @param {number} exitCode suggested exit code which could be used with process.exit L58: * @param {string} code an id string representing the error ... L982: var EventEmitter = __require("node:events").EventEmitter; L983: var childProcess2 = __require("node:child_process"); L984: var path7 = __require("node:path"); ... L1031: this._outputConfiguration = { L1032: writeOut: (str) => process8.stdout.write(str), L1033: writeErr: (str) => process8.stderr.write(str), ... L1067: * @returns {Command[]} L1068: * @private L1069: */

Critical

Wallet Drain

Source uses private key material to transfer cryptocurrency funds.

dist/cli.mjsView on unpkg · L56

56Trigger-reachable chain: manifest.bin -> bin/agentgates -> dist/cli.mjs L56: * Constructs the CommanderError class L57: * @param {number} exitCode suggested exit code which could be used with process.exit L58: * @param {string} code an id string representing the error ... L982: var EventEmitter = __require("node:events").EventEmitter; L983: var childProcess2 = __require("node:child_process"); L984: var path7 = __require("node:path"); ... L1031: this._outputConfiguration = { L1032: writeOut: (str) => process8.stdout.write(str), L1033: writeErr: (str) => process8.stderr.write(str), ... L1067: * @returns {Command[]} L1068: * @private L1069: */

Critical

Trigger Reachable Dangerous Capability

A package entrypoint or install-time lifecycle script reaches a source file with blocking dangerous behavior.

dist/cli.mjsView on unpkg · L56

•Manifest-reachable source captures an API credential, sends it to a fixed unofficial gateway, and persists that redirection in agent or shell configuration. dist/cli.mjs: delete opts.headers.authorization; if (opts.auth && !options.headers.authorization) { options.headers.authorization = "Basic " + Buffer.from(opts.auth).toString("base64"); return url.host === null || url.host === "" || url.cannotBeABaseURL || url.scheme === "file"; cannotBeABaseURL: false this.url.cannotBeABaseURL = true; if (this.base === null || this.base.cannotBeABaseURL && c !== 35) { } else if (this.base.cannotBeABaseURL && c === 35) {

High

Credential Redirect Persistence

Manifest-reachable source sends a prompted API credential to a fixed unofficial gateway and persists the redirection.

dist/cli.mjsView on unpkg

27008var _256n2 = BigInt(256); L27009: var _0x71n2 = BigInt(113); L27010: var SHA3_PI2 = [];

High

Obfuscated Payload Loader

Source contains an obfuscated payload loader that reconstructs and executes hidden code.

dist/cli.mjsView on unpkg · L27008

•stage = ast_semantic_analysis; reason = ast_alias_growth_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/cli.mjsView on unpkg

•matchType = normalized_sha256 matchedPackage = @agentgates/cli@0.11.0 matchedPath = dist/cli.mjs matchedIdentity = npm:QGFnZW50Z2F0ZXMvY2xp:0.11.0 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

dist/cli.mjsView on unpkg

•matchType = malicious_source_fingerprint_signature signature = bea0b2a788e291de signatureType = suspicious_hashes sourceLabel = final_verdict:malicious matchedPackage = @agentgates/cli@0.19.2 matchedPath = dist/cli.mjs matchedIdentity = npm:QGFnZW50Z2F0ZXMvY2xp:0.19.2 similarity = 1.000 shingleOverlap = 3 summary = package final verdict is malicious

High

Known Malware Source Fingerprint Signature

Source fingerprint signature matches a known malicious package signature; route for source-aware review.

dist/cli.mjsView on unpkg

56* Constructs the CommanderError class L57: * @param {number} exitCode suggested exit code which could be used with process.exit L58: * @param {string} code an id string representing the error ... L982: var EventEmitter = __require("node:events").EventEmitter; L983: var childProcess2 = __require("node:child_process"); L984: var path7 = __require("node:path"); ... L1031: this._outputConfiguration = { L1032: writeOut: (str) => process8.stdout.write(str), L1033: writeErr: (str) => process8.stderr.write(str), ... L1067: * @returns {Command[]} L1068: * @private L1069: */

Low

Weak Crypto

Package source references weak cryptographic algorithms.

dist/cli.mjsView on unpkg · L56

scripts/postinstall.mjsView file

1#!/usr/bin/env node L2: import { existsSync, readFileSync, writeFileSync, mkdirSync } from "fs"; L3: import { join } from "path"; ... L48: if (!existsSync(filePath)) { L49: writeFileSync(filePath, wrapped + "\n", "utf-8"); L50: return "created"; ... L58: ); L59: writeFileSync(filePath, content.replace(re, wrapped), "utf-8"); L60: return "updated"; ... L62: L63: writeFileSync(filePath, content.trimEnd() + "\n\n" + wrapped + "\n", "utf-8"); L64: return "appended";

Critical

Ai Agent Control Hijack

Source creates an unconsented AI-agent control surface through install-time mutation or a default unauthenticated remote skill channel.

scripts/postinstall.mjsView on unpkg · L1

•Manifest-trigger-reachable source links an external AI-agent control path to a behavior-bearing write operation. ns the lane itself over signed http. \`\`\` agentgates passwords init # mint twelve words + the key (once); --seed "<words>" brings words; agentgates_passwords_seed works too agentgates passwords add --label <name> --host <site> --username <u> --password <p> agentgates passwords allow [--agent <addr>] [--ask-me] # permit yourself, or another agent agentgates passwords use --url https://<site>/login # log in through the box, get the page back agentgates passwords list # what this key holds and may use agentgates passwords invite # print a link a person opens to take the ow

High

Trigger Reachable External Ai Agent Control Surface Mutation

Manifest-trigger-reachable source writes behavior-bearing configuration into a user or project AI-agent control surface.

scripts/postinstall.mjsView on unpkg

Source & flagged code

12 flagged

package.jsonView file

Lines 17-57json

17 "license": "MIT",

18 "homepage": "https://agentgates.ai",

19 "repository": {

20 "type": "git",

21 "url": "git+https://github.com/Carlos-Sotop/agentgates-ai-cli.git"

22 },

23 "author": "Agentgates",

24 "type": "module",

25 "bin": {

26 "agentgates": "bin/agentgates"

27 },

28 "files": [

29 "bin",

30 "dist/cli.mjs",

31 "scripts/postinstall.mjs",

32 "README.md"

33 ],

34 "scripts": {

35 "build": "esbuild src/main.ts --bundle --platform=node --format=esm --outfile=dist/cli.mjs --banner:js=\"import{createRequire}from'module';const require=createRequire(import.meta.url);\"",

36 "build:tsc": "tsc -p tsconfig.json",

37 "postinstall": "node scripts/postinstall.mjs || exit 0",

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg · L37

Medium

Ambiguous Install Lifecycle Script

Install-time lifecycle script is not statically allowlisted and needs review.

package.jsonView on unpkg · L37

38 "prepare": "[ -x node_modules/.bin/esbuild ] && npm run build || true",

39 "dev": "tsc -w -p tsconfig.json",

40 "typecheck": "tsc --noEmit",

41 "bounty": "node bin/bounty",

42 "sync:bounty-shared": "node scripts/sync-bounty-shared.mjs",

43 "clean": "rm -rf dist"

44 },

45 "engines": {

46 "node": ">=20"

47 },

48 "devDependencies": {

49 "@solana/web3.js": "^1.98.4",

50 "@types/node": "^22.10.0",

51 "commander": "^12.1.0",

52 "esbuild": "^0.28.0",

53 "ethers": "^6.16.0",

54 "open": "^10.1.0",

55 "picocolors": "^1.1.1",

56 "typescript": "^5.6.3"

57 }

dist/cli.mjsView file

56* Constructs the CommanderError class L57: * @param {number} exitCode suggested exit code which could be used with process.exit L58: * @param {string} code an id string representing the error ... L982: var EventEmitter = __require("node:events").EventEmitter; L983: var childProcess2 = __require("node:child_process"); L984: var path7 = __require("node:path"); ... L1031: this._outputConfiguration = { L1032: writeOut: (str) => process8.stdout.write(str), L1033: writeErr: (str) => process8.stderr.write(str), ... L1067: * @returns {Command[]} L1068: * @private L1069: */

Critical

Wallet Drain

Source uses private key material to transfer cryptocurrency funds.

dist/cli.mjsView on unpkg · L56

56Trigger-reachable chain: manifest.bin -> bin/agentgates -> dist/cli.mjs L56: * Constructs the CommanderError class L57: * @param {number} exitCode suggested exit code which could be used with process.exit L58: * @param {string} code an id string representing the error ... L982: var EventEmitter = __require("node:events").EventEmitter; L983: var childProcess2 = __require("node:child_process"); L984: var path7 = __require("node:path"); ... L1031: this._outputConfiguration = { L1032: writeOut: (str) => process8.stdout.write(str), L1033: writeErr: (str) => process8.stderr.write(str), ... L1067: * @returns {Command[]} L1068: * @private L1069: */

Critical

Trigger Reachable Dangerous Capability

A package entrypoint or install-time lifecycle script reaches a source file with blocking dangerous behavior.

dist/cli.mjsView on unpkg · L56

•Manifest-reachable source captures an API credential, sends it to a fixed unofficial gateway, and persists that redirection in agent or shell configuration. dist/cli.mjs: delete opts.headers.authorization; if (opts.auth && !options.headers.authorization) { options.headers.authorization = "Basic " + Buffer.from(opts.auth).toString("base64"); return url.host === null || url.host === "" || url.cannotBeABaseURL || url.scheme === "file"; cannotBeABaseURL: false this.url.cannotBeABaseURL = true; if (this.base === null || this.base.cannotBeABaseURL && c !== 35) { } else if (this.base.cannotBeABaseURL && c === 35) {

scripts/postinstall.mjsView file

Lines 1-21javascript

1#!/usr/bin/env node

2import { existsSync, readFileSync, writeFileSync, mkdirSync } from "fs";

3import { join } from "path";

Critical

Ai Agent Control Hijack

Source creates an unconsented AI-agent control surface through install-time mutation or a default unauthenticated remote skill channel.

scripts/postinstall.mjsView on unpkg · L1

4import { homedir } from