""ET TROJAN Cybergate/Rebhip/Spyrat Backdoor Keepalive Response""

SID: 2017991

Revision: 6

Class Type: trojan-activity

Metadata: created_at 2011_04_09, updated_at 2014_01_21

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: to_server,established

Contents:

• Value: "pong|7c|" Depth: 5

Within:

PCRE:

Special Options:

source