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BTC $78,969.27 +0.54%
ETH $2,505.33 +2.62%
BNB $706.91 +1.89%
XRP $1.42 -0.71%
SOL $101.67 +5.29%
TRX $0.3358 -0.06%
DOGE $0.0874 +1.97%
ADA $0.2116 +1.27%
BCH $268.58 +0.97%
LINK $11.60 +2.80%
HYPE $82.11 +2.55%
AAVE $126.70 +0.19%
SUI $0.7660 +1.38%
XLM $0.1852 +1.59%
ZEC $814.65 +6.42%

Beosin:印度交易所 wazirx 多签钱包的管理员私钥泄露导致资产被盗

2024-07-18 16:43:58

ChainCatcher 消息,据 Beosin Alert 监控预警发现印度交易所 wazirx 被攻击,攻击者获取到交易所多签钱包管理员的签名数据,修改钱包的逻辑合约,让钱包执行错误的逻辑,来盗取资产。

攻击者地址:0x6eedf92fb92dd68a270c3205e96dccc527728066
被攻击地址:0x27fd43babfbe83a81d14665b1a6fb8030a60c9b4

基于攻击者的攻击行为,推测原因为多签钱包的管理员私钥泄露,Beosin 将攻击原因简析如下:

1、攻击者部署攻击合约:0x27fd43babfbe83a81d14665b1a6fb8030a60c9b4。该合约的功能是提取本合约指定的代币资产
2、攻击者获取到 wazirx 多签钱包管理员的签名数据,将钱包的逻辑合约修改为已经部署好的攻击合约。对应交易为:
https://etherscan.io/tx/0x48164d3adbab78c2cb9876f6e17f88e321097fcd14cadd57556866e4ef3e185d
3、攻击者向 wazirx 多签钱包提交提取代币交易,由于代理模式的机制,钱包合约会利用 delegatecall 调用攻击合约的相关函数,转走钱包代币。

被盗资金部分的流线图,目前来看,黑客已经将部分资金转移进入 Changenow 与 Binance 交易所。

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