""ET CURRENT_EVENTS Successful VyStar CU Credential Phish 2023-01-31""

SID: 2044036

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_01_31, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2023_01_31

Reference:

  • md5

  • 9f7c7043e7f12424a0ac70b46e037ba2

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/process.php"

  • Value: "FormId=" Depth: 7

  • Value: "&UserNamex="

  • Value: "&Passwordx="

  • Value: "&RememberMe="

  • Value: "&Fingerprint="

Within:

PCRE: "/\/process.php$/U"

Special Options:

  • http_method

  • http_uri

  • http_client_body

  • http_client_body

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_client_body

source