""ET TROJAN Suspicious X-mailer Synapse""
SID: 2018936
Revision: 1
Class Type: trojan-activity
Metadata: created_at 2014_08_14, updated_at 2014_08_14
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: [25,587]
Flow: established,to_server
Contents:
-
Value: "produced by Synapse"
-
Value: "X|2d|mailer|3a 20|Synapse|20 2d 20|Pascal TCP|2f|IP library by Lukas Gebauer"
Within:
PCRE:
Special Options: