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[问与答] 境外运营商短信来源显示及伪造来源诈骗疑问

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背景:

昨晚香港手机收到这样的一条诈骗短信(截图方便起见在 Mac 上截图,实为手机收到)

eHRjFWEAN3TQ9Kf.png

这个域名和后续诈骗流程涉及的 CN 域名都是上个月才在 DNSPod 上注册的

有几个疑问想问问大家:

1 、我用过的海外运营商,在接收较大互联网厂商发来的验证码等短信时,发件人会直接展示厂商信息如 Apple 、Google 等,也不会有明确的发信号码。这是如何实现的,有什么明确的协议吗?

2 、此类诈骗短信,是如何伪造来源的呢?

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