""ET TROJAN [Fireeye] Backdoor.SUNBURST HTTP Request to deftsecurity .com""

SID: 2031349

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_12_14, deployment Perimeter, signature_severity Major, updated_at 2020_12_14

Reference:

• Link

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

• Value: "deftsecurity.com|0d 0a|"

Within:

PCRE: "/^Host\x3a\x20[^\r\n]+.?deftsecurity.com$/Hm"

Special Options:

• http_header

source