""ET USER_AGENTS suspicious user agent string (changhuatong)""

SID: 2012751

Revision: 1

Class Type: trojan-activity

Metadata: created_at 2011_04_29, updated_at 2011_04_29

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 808

Flow: to_server,established

Contents:

• Value: "|0d 0a|User-Agent|3a 20|changhuatong|0d 0a|"

Within:

PCRE:

Special Options:

source