""ET TROJAN Win32/Sabsik.FL.B!ml CnC Activity""

SID: 2034032

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 2021_09_27, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2021_09_27

Reference:

  • md5

  • 84fffb6b0ee44238261a21a0af066c12

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "User-Agent|3a 20|Go-http-client"

  • Value: "|ef bc 9a|" Depth: 40

  • Value: "Memorytotal|ef bc 9a|"

  • Value: "|ef bc 9a 5b|System|20|Process|5d 20|"

  • Value: "Content-Type|3a 20|application/x-www-form-urlencoded|0d 0a|"

Within:

PCRE:

Special Options:

  • http_method

  • http_header

  • http_client_body

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_header

source