Cyber security

SpoofCheck – Fortifying Email Defenses By Unmasking Domain Spoofability

A program that checks if a domain can be spoofed from. The program checks SPF and DMARC records for weak configurations that allow spoofing.

Additionally it will alert if the domain has DMARC configuration that sends mail or HTTP requests on failed SPF/DKIM emails.

Usage:

./spoofcheck.py [DOMAIN]

Domains are spoofable if any of the following conditions are met:

  • Lack of an SPF or DMARC record
  • SPF record never specifies ~all or -all
  • DMARC policy is set to p=none or is nonexistent

Dependencies

  • dnspython
  • colorama
  • emailprotectionslib
  • tldextract

Setup

Run pip install -r requirements.txt from the command line to install the required dependencies.

Coming Soon

  • Standalone Windows executable
  • Basic GUI option
  • Tests
Varshini

Varshini is a Cyber Security expert in Threat Analysis, Vulnerability Assessment, and Research. Passionate about staying ahead of emerging Threats and Technologies.

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