""ET TROJAN a310Logger Stealer Exfil (SMTP)""

SID: 2033167

Revision: 3

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_06_23, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2021_08_24

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "Subject|3a 20|Passwords:::"

  • Value: "CompName|3a 20|"

  • Value: "Windows|20|Version|3a 20|"

  • Value: "Url"

  • Value: "============================="

Within:

PCRE:

Special Options:

  • fast_pattern

source