""ET TROJAN Win32/I'm_Better Stealer CnC Checkin""

SID: 2044552

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_03_09, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_03_09

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "SFdJRDoge" Depth: 9

  • Value: "HWID|3a 20 7b|"

Within:

PCRE: "/^[a-f0-9]{8}-(?:[a-f0-9]{4}-){3}[a-f0-9]{12}\x7d/R"

Special Options:

  • fast_pattern

  • base64_data

source