""ET TROJAN Win32/Stealc Active C2 Responding with browsers Config""

SID: 2044245

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 2023_02_20, deployment Perimeter, former_category MALWARE, malware_family Stealc, signature_severity Major, tag Stealer, updated_at 2023_02_20

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,from_server

Contents:

  • Value: "200"

  • Value: "Google|20|Chrome|7c|"

  • Value: "|5c|User|20|Data|7c|"

Within:

PCRE:

Special Options:

  • http_stat_code

  • file_data

  • base64_data

  • fast_pattern

source