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id : starttls-mail-detect
info :
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name : STARTTLS Mail Server Detection
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author : r3dg33k,userdehghani
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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
tags : mail,starttls,network,detect,smtp,detection,tcp
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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 , 2525 , 465 , 587
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matchers :
- type : word
words :
- "250-STARTTLS"
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# digest: 490a0046304402204b37a4e9c400baa603d1d777d160eeac4279601a3e981276b0f7e88d3c7a5a9002201a10d9786927c13bff604166197c57dacebb893e3766af579a7bdcb41c6ebcc8:922c64590222798bb761d5b6d8e72950