黑客通过比特币窃取恶意软件感染近700,000个网站
加密货币黑客攻击了互联网上最常用的流量分析服务之一StatCounter,以便吸收比特币$ BTC ▼0.59% 来自在线交易平台Gate.io的用户。
在一次有针对性的攻击中,黑客违反了StatCounter,超过688,000个网站被抓获加载恶意脚本,ZDNet 报告。
StatCounter非常类似于Google Analytics,因为它可以分析流经网站的互联网流量。网站管理员必须在他们的网站上添加特殊的StatCounter代码才能获得统计数据,这是黑客似乎利用的一个方面,可以尽可能广泛地传播他们的恶意代码。
该攻击重定向了加密货币交易者的比特币,特别是当Gate.io用户撤回或转移他们的比特币时。代码只是用黑客拥有的地址替换了输入页面的任何比特币地址。
来自斯洛伐克网络安全公司ESET的安全研究人员是第一个发现该漏洞的人,它将其描述为"供应链攻击"。
ESET指出,虽然有近百万个网站受到影响,但整个威胁似乎已经局限于一个特定的URL域:Gate.io,一个加密货币交易所,目前每天处理价值超过170万美元的比特币。
根据ESET,恶意代码实际上不会做任何事情,除非链接包含特定的字符串:"myaccount / withdraw / BTC。"研究人员发现Gate.io是唯一一个使用包含此字符串的URL的网站。
尽管存在持续数天的安全漏洞,但很难说有多少人受到了这次攻击的影响,甚至很难说黑客能够躲过多少人。
ESET注意到脚本每次运行时都会自动生成一个新的比特币地址。这有效地抵消了以有意义的方式将比特币交易联系在一起的能力,这令人沮丧地保护了攻击者的身份。
Gate.io 表示将从其网站上删除 StatCounter。它还 敦促用户启用双因素身份验证和两步登录保护。
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