""ET TROJAN MSIL/Filecoder.EK CnC Checkin""

SID: 2037846

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 2022_07_28, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2022_07_28, reviewed_at 2024_06_28

Reference:

  • md5

  • 7e47426d5ae73cc0d3ca3ca6008b2131

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: "/secure.php?hero=" Depth: 17

  • Value: "&movie="

  • Value: "100-continue"

  • Value: !"Referer|3a 20|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

  • http_header

  • http_header

source