""ET TROJAN Win32/Throwback Server Response (Incoming)""

SID: 2036591

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_05_12, deployment Perimeter, malware_family Throwback, signature_severity Major, updated_at 2022_05_12

Reference:

• Link

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

• Value: "200"

• Value: ""

• Value: "

  Not Found

  "

• Value: "<hidden stup1fy|20|"

Within:

PCRE:

Special Options:

• http_stat_code

• file_data

• fast_pattern

source