MailFail
ATT&CK techniques detected
T1566.002Spearphishing Link
85%
“ack - j / 8a189bafbb54e00fb1b3f3e22dcd81c9 / raw / 5ad366adf6abdaaf981fd8bede5223f543e4242c / dmarc _ and _ spf _ check. py # downloading a file of the top one million domain names wget https : / / downloads. majesticseo. com / majestic _ million. csv # formatting the file cat ma…”
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T1071.003Mail Protocols
31%
“##594450215266838447 vim reconstruct _ private _ rsa _ key. py python3 reconstruct _ private _ rsa _ key. py cat > cracked _ private _ key. pem # https : / / gist. github. com / ack - j / 76585af46375641ec841cb6b77d345c3 vim send _ dkim _ email. py python3 send _ dkim _ email. py…”
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Summary

MailFail is a Firefox browser extension that identifies and provides commands to exploit a large number of email-related misconfigurations for the current domain and subdomain. The extension's UI popup highlights any misconfigurations in red and links to the supporting documentation.
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