""ET WEB_CLIENT Generic Webshell Accessed on External Compromised Server""

SID: 2029916

Revision: 2

Class Type: web-application-attack

Metadata: affected_product Web_Server_Applications, attack_target Web_Server, created_at 2020_04_15, deployment Perimeter, signature_severity Major, updated_at 2020_04_15

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "file Manager"

  • Value: "Back Connect"

  • Value: "CgiShell"

  • Value: "Symlink"

  • Value: "Mailer"

  • Value: "Auto r00t"

  • Value: "Upload"

  • Value: "Exploiter & scan Tools"

  • Value: "Self remove"

Within:

PCRE:

Special Options:

  • file_data

  • nocase

  • nocase

  • nocase

  • nocase

  • nocase

  • nocase

  • nocase

  • nocase

  • fast_pattern

  • nocase

source