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I’m doing a lil reasearch on 3G/4G SMS 2FA any input would be appreciated , specifically on if and how.
iCkerousThere are bunches of resources online about GSM and the theoretical attacks to intercept SMS messages. I’d recommend starting with those.
It’s no easy (or cheap) attack.
FantasyWarrior1Using hackrf, using ss7 protocol
You can look this up on the internet and youtube
phweloWithout a fundamental change to the protocol you’re looking at nothing more than using sms as an abstraction layer to some internet platform that enforces MFA and/or some reasonable encryption.
vovcharukFirst try to investigate SS7 vulnerabilities topic, there are quite a lot of PoCs and templates to exploit.
oerroxYeah, there are a lot of sms attacks you could try.
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