""ET TROJAN Cybergate/Rebhip/Spyrat Backdoor Keepalive""
SID: 2017990
Revision: 12
Class Type: trojan-activity
Metadata: created_at 2011_04_09, updated_at 2015_11_04
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: any
Destination Network: $HOME_NET
Destination Port: any
Flow: from_server,established
Contents:
-
Value: "ping|7c|" Depth: 5
-
Value: !"|7c|"
Within: 1
PCRE:
Special Options: