""ET USER_AGENTS suspicious user agent string (CholTBAgent)""
SID: 2012757
Revision: 4
Class Type: trojan-activity
Metadata: created_at 2011_04_30, updated_at 2011_05_25
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: to_server,established
Contents:
- Value: "User-Agent|3a 20|CholTBAgent"
Within:
PCRE:
Special Options:
- http_header