""ET TROJAN DiamondFox HTTP Post CnC Checkin M3""

SID: 2029144

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_12_12, deployment Perimeter, malware_family DiamondFox, performance_impact Moderate, signature_severity Major, updated_at 2019_12_18

Reference:

  • md5

  • 17a1f7e98731df9b74b98accb650d50e

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: "/gate.php"

  • Value: "=" Depth: 1 Offset: 3

  • Value: "&q="

  • Value: "&proc="

  • Value: "&soft="

  • Value: "&rt="

  • Value: "&er="

  • Value: "Content-Type|3a 20|application/x-www-form-urlencoded"

  • Value: !"Referer"

Within:

PCRE: "/\/gate.php$/U"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_header

  • http_header

source