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Phishing
[Work in progress]
SPF: helps prevent spoofing by verifying the sender’s IP address
DKIM: shows that the email belongs to a specific organization
DMARC: aligns SPF and DKIM mechanisms
- Postfix + Dovecot + Thunderbird: https://elpuig.xeill.net/Members/vcarceler/articulos/correo-electronico-con-postfix-dovecot-y-thunderbird-en-ubuntu-20.04
- Muraena with NecroBrowser: https://github.com/muraenateam/muraena + https://github.com/muraenateam/necrobrowser
- Obfuscate part of the source code in which the C&C is located to evade automated sandboxes and automated analysis
- Use trusted domains from Google, AWS, Microsoft, etc, to deliver the landing page as they are considered benign sources
- Using business email compromised (BEC)
- AES 256 with JavaScript in the browser
- Base64 refresh
- Flipped Base64 JavaScript encoding
- Combination Encoding
- Custom Encoding
- Xor Encoding in JavaScript
- Multibyte XOR Phishing Landing Obfuscation
- Embedded Base64 images
- Brand impersonation with procedurally-generated graphics: https://www.microsoft.com/security/blog/2021/08/18/trend-spotting-email-techniques-how-modern-phishing-emails-hide-in-plain-sight/
- Text padding with invisible characters: https://www.microsoft.com/security/blog/2021/08/18/trend-spotting-email-techniques-how-modern-phishing-emails-hide-in-plain-sight/
- etc
Last modified 9mo ago