""ET CURRENT_EVENTS PerSwaysion JavaScript Response M1""

SID: 2033037

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2021_05_27, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, updated_at 2021_05_28

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "Content-Type|3a 20|"

  • Value: "javascript"

  • Value: "eval|28|function|28 24|nbrut|2c|" Depth: 21

  • Value: "function|28 24|charCode|29 20 7b|return|20 28 24|charCode|20|"

  • Value: "|3f 20|String|2e|fromCharCode|28|"

  • Value: "|29 20 3a 20 24|charCode|2e|toString|28|"

  • Value: "|2e|replace|28|new|20|RegExp|28 27 5c 5c|b|27 20 2b|"

Within: 50

PCRE: "/^Content-Type\x3a\x20[^\r\n]+\/javascript/Hmi"

Special Options:

  • http_header

  • http_header

  • file_data

source