id: expn-mail-detect
info:
name: EXPN Mail Server Detect
author: r3dg33k
severity: info
tags: mail,expn,network
network:
- inputs:
- data: "65686c6f20636865636b746c730a"
type: hex
read-size: 2048
host:
- "{{Hostname}}"
- "{{Host}}:25"
matchers:
- type: word
words:
- "250-EXPN"