""ET WEB_CLIENT Redirect to Adobe Shared Document Phishing M3 2016-04-18""

SID: 2032678

Revision: 4

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2016_04_18, deployment Perimeter, signature_severity Major, tag Phishing, updated_at 2017_07_14

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "GET"

  • Value: "/pdf.adobe.cloud/"

  • Value: ".php"

  • Value: ".php|0d 0a|"

Within:

PCRE: "/Referer\x3a\x20[^\r\n]+.php\r\n/Hmi"

Special Options:

  • http_method

  • fast_pattern

  • http_uri

  • http_uri

  • http_header

source