""ET TROJAN Win32/Unknown Stealer Data Exfiltration Attempt""

SID: 2049817

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, created_at 2023_12_21, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_12_21

Reference:

  • md5

  • 46dae0e0b64923b60f5c471cafca79b1

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: "/bitrix/main.php"

  • Value: "|3a 0b 5b 45 51 11 43 58 36|" Depth: 9

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_client_body

  • fast_pattern

source