""ET TROJAN APT Related CR4T Backdoor Activity""
SID: 2052235
Revision: 1
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, created_at 2024_04_23, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2024_04_23
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
- Value: "User-Agent|3a 20|TroubleShooter|0d 0a|"
Within:
PCRE:
Special Options:
- http_header