SID: 2052161

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2024_04_18, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2024_04_18

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 443

Flow: established,to_server

Contents:

  • Value: "|16|"

  • Value: "|01|"

  • Value: "|00 00|"

  • Value: "|00|"

  • Value: "mfa-office.org"

Within: 1

PCRE: "/^(?:\x00\x0e|.\x2e)mfa-office.org/R"

Special Options:

source