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id : starttls-mail-detect
info :
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name : STARTTLS Mail Server Detection
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author : r3dg33k
severity : info
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description : |
STARTTLS is an email protocol command that tells an email server that an email client, including an email client running in a web browser, wants to turn an existing insecure connection into a secure one.
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metadata :
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max-request : 1
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tags : mail,starttls,network,detect,smtp
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tcp :
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- inputs :
- data : "65686c6f20636865636b746c730a"
type : hex
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read-size : 2048
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host :
- "{{Hostname}}"
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port : 25
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matchers :
- type : word
words :
- "250-STARTTLS"
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# digest: 4a0a00473045022100b8e2e6513b9a00666a2ee07a825cbf66e2bb8f4c3198978baa7fcb6b2e68ca5d02202d5e30193d2420cff48017b05dec81fbf711fa2282e008d5fb8eb86da456800e:922c64590222798bb761d5b6d8e72950