""ET TROJAN Win32/Tofsee Pharma Spam Template Active - Outbound Email Spam""

SID: 2030675

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_08_11, deployment Perimeter, malware_family Tofsee, performance_impact Low, signature_severity Major, tag SpamBot, updated_at 2020_08_11

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: [25,587]

Flow: to_server,established

Contents:

  • Value: "Subject|3a 20|Rx|20|Discount|20|"

  • Value: "Special|20|for|20|you|20|-----"

Within:

PCRE:

Special Options:

  • fast_pattern

source