""ET TROJAN Win32/Asmodeasmo Bot CnC Checkin""

SID: 2049633

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_11, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_12_11

Reference:

  • md5

  • 46f140e026c2c6bc3963a3155eff2390

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: "/api/connect"

  • Value: "TimeZone 1.0"

  • Value: "d|00|a|00|t|00|a|00 3d 00|"

  • Value: "p|00|a|00|t|00|h|00 3d 00|C|00 3a 00 5c 00|"

Within:

PCRE: "/^User-Agent\x3a\x20[^\r\n]+TimeZone\x201.0/Hmi"

Special Options:

  • http_method

  • http_uri

  • http_header

  • fast_pattern

  • http_client_body

  • http_client_body

source