""ET TROJAN Win32/Enigma Stealer CnC Checkin""

SID: 2043420

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_01_20, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_01_20

Reference:

  • md5

  • 505e7b77cba9c4a64ac2827d86c68427

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "/gate.php?"

  • Value: "hwid="

  • Value: "filename="

  • Value: "Str=1&desc="

Within:

PCRE: "/User-Agent\x3a\x20[A-F0-9]{8}-(?:[A-F0-9]{4}-){3}[A-F0-9]{12}\x0d\x0a/H"

Special Options:

  • http_method

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • fast_pattern

source