Cyberdudebivash

Introduction

The PhaaS ecosystem is maturing at alarming speed. One of the newest entrants is VoidProxy, a Phishing-as-a-Service platform offering turnkey kits for adversary-in-the-middle (AitM) phishing.

Unlike traditional phishing, VoidProxy captures:

• Credentials
• MFA codes
• Session cookies/tokens

…allowing attackers to bypass 2FA and hijack federated SSO accounts at scale.

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 Attack Flow Breakdown

1. Email Delivery
   • Sent via compromised ESPs (Constant Contact, Active Campaign).
   • Avoids spam filters using legitimate infra.
2. Redirect Chains
   • Victim clicks → TinyURL / Bitly → disposable domains (.icu, .top, .xyz).
3. Evasion Layers
   • Cloudflare CAPTCHA + Workers to filter out bots/sandboxes.
   • Dynamic DNS (nip.io, sslip.io) for ephemeral infra.
4. Phishing Page Impersonation
   • Mimics Microsoft/Google login perfectly.
   • Supports Okta + SSO federated logins.
5. AitM Proxy
   • Credentials + MFA relayed in real time.
   • Attacker captures valid session cookies → instant access.

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 Impact & Risks

• MFA Bypass: Even OTP-protected accounts get compromised.
• SSO Hijack: Compromises federated corporate accounts.
• BEC & Fraud: Enables wire fraud, impersonation, data exfiltration.
• Stealth: Hard to detect due to session token theft.

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 Indicators of Compromise

• Emails from legitimate ESPs but suspicious sender names.
• Redirector URLs → disposable TLDs.
• Cloudflare CAPTCHA before login page.
• Login attempts with fresh session tokens from unknown IPs.

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 CyberDudeBivash Recommendations

1. Phishing-Resistant MFA
   • Enforce FIDO2, WebAuthn, Passkeys.
   • Phase out SMS/OTP.
2. Conditional Access
   • Restrict logins to managed devices / VPNs.
   • Enforce step-up authentication on anomalies.
3. Session Security
   • Short-lived tokens, device binding.
   • Automatic token revocation on compromise.
4. Monitoring
   • Hunt for Cloudflare CAPTCHA → phishing red flag.
   • Alert on redirector + low reputation TLDs.
5. User Awareness
   • Train to detect subtle login page anomalies.
   • Encourage verifying URLs before login.

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Highlighted Keywords

• Phishing-as-a-Service (PhaaS) detection
• MFA bypass protection solutions
• Identity Access Management (IAM) defense
• Cloud security posture management
• Zero Trust access enforcement
• Business Email Compromise (BEC) defense
• Threat intelligence & response services

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 Conclusion

VoidProxy is proof that phishing has industrialized.

• Easy-to-use PhaaS kit.
• AitM MFA bypass at scale.
• Federated login hijacks.

 CyberDudeBivash recommends phishing-resistant MFA, conditional access, token hardening, and threat hunting to combat VoidProxy-style AitM phishing.

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 Contact: iambivash@cyberdudebivash.com

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