""ET TROJAN MSIL/Azula Logger CnC Activity""

SID: 2031470

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_12_31, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, signature_severity Major, updated_at 2020_12_31

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST /api/webhooks/" Depth: 19

  • Value: "Host|3a 20|discord.com|0d 0a|"

  • Value: "Content-Type|3a 20|application/x-www-form-urlencoded|0d 0a|"

  • Value: "username=azula+logger&avatar_url=" Depth: 33

Within:

PCRE:

Special Options:

  • http_header

  • http_header

  • http_client_body

  • fast_pattern

source