""ET CURRENT_EVENTS Observed Possible Phishing Landing Page 2021-06-24""

SID: 2033187

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_06_25, deployment Perimeter, signature_severity Critical, tag Phishing, updated_at 2021_06_25, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing

Reference:

• Link

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

• Value: ""

• Value: "enctype|3d 22|multipart|2f|form|2d|data|22 20|"

• Value: "id|3d 22|UserNameVerificationForm|22|"

• Value: "name|3d 22|UserNameVerificationForm|22|"

• Value: "method|3d 22|post|22|"

• Value: "action|3d 22|doLoginFirstStep.htm|22 3e|"

Within:

PCRE:

Special Options:

• file_data

• fast_pattern

source