""ET TROJAN Lethic - Client Alive""
SID: 2015522
Revision: 3
Class Type: trojan-activity
Metadata: created_at 2012_07_25, updated_at 2016_07_26
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: any
Flow: established,to_server
Contents:
- Value: "|01 00 21 01|" Depth: 4 Offset: 2
Within:
PCRE:
Special Options: