""ET CURRENT_EVENTS PerSwaysion JavaScript Response M2""

SID: 2033053

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2021_05_28, deployment Perimeter, signature_severity Major, tag Phishing, updated_at 2021_05_28, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "var _0x" Depth: 7

  • Value: "|3d 5b 22|"

  • Value: "|3b|var|20 5f|0x"

  • Value: "|3d|function|28|"

  • Value: "|5b 78 3d 2b 78 5d 3b 76 6f 69 64 20 30 3d 3d 3d 5f 30 78|"

  • Value: "|2e|replace|28 2f 3d 2b 24 2f 2c 22 22 29|"

  • Value: "return|20|decodeURIComponent|28|"

Within: 18

PCRE:

Special Options:

  • file_data

  • fast_pattern

source