""ET TROJAN Win32/Phoenix Keylogger Exfil via SMTP - Generic""

SID: 2028644

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 2019_10_02, deployment Perimeter, malware_family AgentTesla, performance_impact Low, signature_severity Major, updated_at 2019_10_02

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: [25,587]

Flow: established,to_server

Contents:

  • Value: "-- Client Info --"

  • Value: "IP|3a 20|"

  • Value: "HWID|3a 20|"

  • Value: "OS Platform|3a 20|"

Within:

PCRE:

Special Options:

  • fast_pattern

  • nocase

source