""ET CURRENT_EVENTS Successful Zoom.us Phish 2021-10-25""

SID: 2034245

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_10_25, deployment Perimeter, signature_severity Critical, tag Phishing, updated_at 2021_10_25, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing

Reference:

  • md5

  • eb5994afdc8da491c862867784956a5b

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "302"

  • Value: "Location|3a 20|https://static.zoom.us|0d 0a|"

Within:

PCRE:

Special Options:

  • http_stat_code

  • http_header

  • fast_pattern

source