SID: 2034696

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 2021_12_13, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2021_12_13

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: ".xls?dn="

  • Value: ".xls"

Within:

PCRE: "/.xls$/U"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

source