""ET CURRENT_EVENTS Successful Office 365 Phish 2022-07-19""

SID: 2037788

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_07_19, deployment Perimeter, signature_severity Major, updated_at 2023_04_04, reviewed_at 2024_01_02

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "200"

  • Value: "|7b 22|signal|22 3a 22|ok|22 2c 22|msg|22 3a 22|InValid|20|Credentials|22 2c 22|redirect|5f|link|22 3a 22|http" Depth: 64

  • Value: "|22 7d|"

Within:

PCRE:

Special Options:

  • http_stat_code

  • file_data

  • fast_pattern

source