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TMEF Detection Logs: Email Detection Logs

TMEF Key
Description
Value 
Header (logVer)
TMEF format version
CEF: 0
Header (vendor)
Appliance vendor
 Trend Micro
Header (pname)
Appliance product
 Deep Discovery Email Inspector
Header (pver)
Appliance version
Example: 5.1.0.1110
Header (eventid)
Signature ID
100130
Header (eventName)
Description
EMAIL_DETECTION
Header (severity)
Email severity
  • 2: Unavailable
  • 4: Low
  • 6: Medium
  • 8: High
act
The action in the event
Examples:
  • analyzed
  • cleaned up
  • deleted
  • delivered directly
  • encrypted
  • file sanitized
  • passed
  • quarantined
  • recipient changed
  • stamped
  • stripped
  • subjectsTagged
cn1
Email Size
Example: 30841
cn1Label
Email Size
msgSize
cs1
Internal email ID
Example: 6965222B-13A6-C705-89D4-6251B6C41E03
cs1Label
Internal email ID
msgUuid
cs2
Email ID
Example: <20150414032514.494EF1E9A365@internalbeta.bcc.ddei>
cs2Label
Email ID
messageId
cs3
Sender email address
Example: user1@domain.com
cs3Label
Label for sender email address
senderMail
cs4
Recipient email address
Example: user2@domain.com
cs4Label
Label for recipient email address
rcptMail
deviceGUID
Appliance GUID
Example: 6B593E17AFB7-40FBBB28-A4CE-0462-A536
duser
Email recipients
Example: user1@domain2.com;test@163.com
dvc
Appliance IP address
Example: 10.1.144.199
dvchost
Appliance host name
Example: localhost
dvcmac
Appliance MAC address
Example: 00:0C:29:6E:CB:F9
mailMsgSubject
Email subject
Example: hello
rt
Log generation time
Example: Mar 09 2015 17:05:21 GMT+00:00
src
Source IP address
Example: 10.1.144.199
suser
Email sender
Example: user2@domain.com
threatName
Names of threats in the email
Example: VAN_MALWARE.UMXX|FRAUD_PHISHING.WRS
threatType
Threat type
  • 1: Targeted malware
  • 2: Malware
  • 3: Malicious URL
  • 4: Suspicious file
  • 5: Suspicious URL
  • 6: Spam/Graymail
  • 7: Phishing
  • 8: Content violation
  • 9: DLP incident
Log sample:
May 15 16:00:47 localhost CEF:0|Trend Micro|Deep Discovery Ema
il Inspector|2.5.1.1161|100130|EMAIL_DETECTION|8|rt=Apr 13 201
5 08:49:22 GMT+00:00 src=141.251.58.19 threatType=4 deviceGUID
=034eb532-9318-40d9-b27b-d9feba7c269e mailMsgSubject=phishwatc
h Digest, Vol 2933, Issue 13 act=passed dvchost=internalbeta.b
cc.ddei cs2Label=messageId cs2=<20150413084922.2052D1E9A066@in
ternalbeta.bcc.ddei dvc=10.64.1.131 cs1Label=msgUuid cs1=ECBC7
B7E-1397-3005-94C5-0BA1DA0913D2 duser=user1@domain2.com suser=
user1@domain1.com dvcmac=C4:34:6B:B8:09:BC threatName=VAN_MALW
ARE.UMXX cn1Label=msgSize cn1=1204948