""ET TROJAN BlackRain User-Agent Observed""

SID: 2049803

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_12_20, deployment Perimeter, confidence High, signature_severity Major, updated_at 2023_12_20

Reference:

• md5

• 7c711ea527dece150c377ba6ea303173

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|BlackRain|0d 0a|"

Within:

PCRE:

Special Options:

• http_header

source