""ET TROJAN PennyWise Stealer Data Exfil M2""

SID: 2044748

Revision: 4

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_03_22, deployment Perimeter, malware_family PennyWise, performance_impact Low, confidence High, signature_severity Critical, updated_at 2023_07_28, reviewed_at 2024_02_07

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "|2a|PennyWise|20|v1|2e|"

  • Value: "Worker|3a 20|"

  • Value: "IP|3a 20|"

  • Value: "Username|3a 20|"

  • Value: "PC|3a 20|"

  • Value: "System|3a 20|"

  • Value: "|2a|Browsers|3a 2a|"

Within:

PCRE:

Special Options:

  • fast_pattern

source