""ET TROJAN Win32/Agent.AETZ CnC Checkin""

SID: 2039616

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_11_01, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, signature_severity Major, updated_at 2022_11_01

Reference:

  • md5

  • e4ca9c56bb6c3e7d68049ceca5d96f09

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "Microsoft Internet Explorer"

  • Value: "|7b 22|token|22 3a 20 22|"

  • Value: "|22 2c 20 22|installid|22 3a 20 22|"

  • Value: "|22 2c 20 22|ver|22 3a 20 22|"

  • Value: "|22 2c 20 22|agent|22 3a 20 22|"

Within:

PCRE: "/User-Agent\x3a\x20Microsoft Internet Explorer/i"

Special Options:

  • fast_pattern

source