""ET TROJAN Win32/Tofsee Covid19 Spam Template 1 Active - Outbound Email Spam""

SID: 2029773

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, created_at 2020_03_31, malware_family Tofsee, updated_at 2020_03_31

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|"

  • Value: "receive|20|further|20|updates.Please"

Within:

PCRE: "/^(?:The White House|And increasing numbers|Drivers for a parcel|The Italian region worst hit|Although Interpol issued|President Donald Trump|Restaurants are still allowed|A paper released on Friday)/R"

Special Options:

source