""ET TROJAN Win32/AppleJeus CnC Checkin (POST)""

SID: 2041664

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_12_02, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, updated_at 2023_04_04, reviewed_at 2024_01_26

Reference:

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: "/daemon/update.php"

  • Value: "rlz=" Depth: 4

  • Value: "&ei="

  • Value: "&act=check"

  • Value: "auth_timestamp|3a 20|"

  • Value: "auth_signature|3a 20|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_client_body

  • http_header

  • http_header

source