""ET MALWARE Fake Adobe Update Request""

SID: 2026735

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_12_17, deployment Perimeter, signature_severity Major, updated_at 2019_08_14

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: "/en"

  • Value: "/reader/download/?installer=Reader_DC_20"

  • Value: !"get.adobe.com|0d 0a|"

Within: 45

PCRE: "/\d{2}.0\d{2}.200\d{2}_English(?:_for)?_Windows/R"

Special Options:

  • http_method

  • nocase

  • http_uri

  • nocase

  • http_uri

  • http_header

source