""ET TROJAN Win32/Filecoder.OJC CnC Checkin""

SID: 2039815

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2022_11_21, deployment Perimeter, confidence High, signature_severity Major, updated_at 2022_11_21

Reference:

  • md5

  • dea5df7e709f087f2c1d03046f38efe7

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: "/ap.php"

  • Value: "user|3d|" Depth: 5

  • Value: "TargetID|3d|"

  • Value: "SystemInformation|3d|Windows%20"

  • Value: "max_size_of_file|3d|"

  • Value: "size_of_hdd|3d|"

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/TargetID\x3d[A-F0-9]{24}/P"

Special Options:

  • http_method

  • http_uri

  • http_client_body

  • http_client_body

  • http_client_body

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_header

source