""ET TROJAN Win32/Stealc Active C2 Responding with browsers Config M1""

SID: 2051828

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_03_28, deployment Perimeter, malware_family Stealc, confidence High, signature_severity Major, updated_at 2024_03_28

Reference:

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: "R29vZ2xlIENocm9tZX" Depth: 18

Within:

PCRE:

Special Options:

  • http_stat_code

  • file_data

  • fast_pattern

source