Tools like SMSBotBypass contribute to a rising trend in account takeover (ATO) fraud by making traditional SMS-based Multi-Factor Authentication (MFA) vulnerable.
The victim is prompted to enter their OTP into their phone keypad to "verify" their identity or "secure" their account.
: It exploits the trust users place in official-sounding voice calls. SMSBotBypass-master.zip
The attacker inputs a victim's phone number and selects a customized script (e.g., mimicking a bank or online service).
refers to the source code of an open-source tool designed to automate "vishing" (voice phishing) attacks to intercept sensitive user data, specifically One-Time Passwords (OTPs) . Overview and Functionality Tools like SMSBotBypass contribute to a rising trend
The tool operates as an API connecting a threat actor's account with a Discord bot interface. This setup allows even low-skilled attackers to initiate automated robocalls to victims. Attack Sequence :
: The prevalence of such tools has led organizations like NIST and CISA to advise against using SMS as a primary second factor for authentication, citing its lack of encryption and susceptibility to interception. Recommended Protections The attacker inputs a victim's phone number and
To defend against these automated bots, security experts recommend several measures: Analysis of attacks on SMS OTP-based authentication process