""ET MALWARE Downer.B Variant Checkin""

SID: 2030565

Revision: 3

Class Type: bad-unknown

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_07_21, deployment Perimeter, performance_impact Low, signature_severity Minor, updated_at 2021_04_08

Reference:

  • md5

  • b4188819a0da135ada42e2df4fa97619

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: "winver="

  • Value: "&sdsoft="

  • Value: "&webid="

  • Value: "&softid"

  • Value: "&usesnum="

  • Value: "&mac="

  • Value: "&filename="

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_uri

  • fast_pattern

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_uri

source