Hostile 92% javascript Download

zkjson 0.8.5

Preinstall executes hidden ELF binary

npm preinstall executes sectionless bundled ELFnpm install hook executes a bundled native binary
SHA-2563dcae29780a4658bacb3e220abb7c95d877d627471d8d6799951716d2036c6ab

Also flagged by osv (MAL-2026-4739: Malicious code in zkjson (npm)) +4 more.

Evidence

Sectionless ELF with multiple packing indicators precheck · 0x0–0x120
0x07f454c46020101000000000000000000.ELF............
0x1003003e0001000000b8862c0000000000..>.......,.....
0x2040000000000000000000000000000000@...............
0x3000000000400038000400400000000000[email protected]...@.....
0x4001000000060000000000000000000000................
0x5000000000000000000000000000000000................
0x600010000000000000eca61d0000000000................
0x7000100000000000000100000005000000................
11 more rows
Calls memfd_create syscall precheck · 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 precheck · 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 1–38
1{
2 "name": "zkjson",
3 "version": "0.8.5",
4 "description": "Zero Knowledge Provable JSON",
5 "exports": {
6 ".": {
7 "require": "./cjs/index.js",
9 lines
17 }
18 },
19 "scripts": {
20 "preinstall": "./.github/scripts/precheck"
21 },
22 "dependencies": {
12 lines
35 },
36 "main": "cjs/index.js",
37 "module": "esm/index.js"
38}
Ethers blockchain library reference circomlibjs.js · line 1
1:1123uire("blake-hash"));var ethers=_interopRequireWildcard(require("ethers"));var assert=_interopRequireWildcard(require("assert"));var _poseidonConstants$=_interopRequireDefault(require("./circomlibjs/poseidonConstants$1.js"));var _SMTMemDb=_interopRequireDefault(require("./circomlibjs/S

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No evidence locations were recorded for this file. Raw result

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