""ET TROJAN FIN7 JSSLoader Activity (GET)""

SID: 2035608

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_03_25, deployment Perimeter, deployment SSLDecrypt, malware_family FIN7, malware_family CarbonSpider, signature_severity Major, updated_at 2022_03_25

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET /?id="

Within:

PCRE: "/^Host[^\r\n]+\r\n\r\n$/H"

Special Options:

  • fast_pattern

source