""ET TROJAN Crashedtech Loader CnC Checkin""

SID: 2044853

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 2023_03_31, deployment Perimeter, deployment SSLDecrypt, malware_family Crashedtech_Loader, performance_impact Low, confidence High, signature_severity Major, tag Crashedtech_Loader, updated_at 2023_03_31

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: "/addnew.php"

  • Value: "username="

  • Value: "windows=Windows|2b|"

  • Value: "client=client"

  • Value: "ip="

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

source