""ET TROJAN Sarwent CnC Response (powershell_exec)""

SID: 2029817

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_04_06, deployment Perimeter, signature_severity Major, updated_at 2020_04_06

Reference:

  • md5

  • 184614b60a03355c9a4e668d702fb200

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: "/gate/powershell_exec" Depth: 21

  • Value: "form-data|3b 20|name=|22|command|22 0d 0a 0d 0a|"

  • Value: "form-data|3b 20|name=|22|hwid|22 0d 0a 0d 0a|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_client_body

  • http_client_body

source