""ET TROJAN Knockbot Proxy Response From Controller (empty command)""
SID: 2010788
Revision: 4
Class Type: trojan-activity
Metadata: created_at 2010_07_30, updated_at 2010_07_30
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,from_server
Contents:
- Value: "|0d 0a 0d 0a|command|7c|" Depth: 250
Within:
PCRE:
Special Options:
- nocase