""ET TROJAN PennyWise Stealer Data Exfil M4""

SID: 2046957

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_07_28, deployment Perimeter, malware_family PennyWise, confidence High, signature_severity Critical, updated_at 2023_07_28

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "PennyWise|20|v"

  • Value: "IP|3a 20|"

  • Value: "Country|3a 20|"

  • Value: "Username|3a 20|"

  • Value: "PC|3a 20|"

  • Value: "System|3a 20|"

  • Value: "Language|3a 20|"

  • Value: "Date|3a 20|"

Within:

PCRE:

Special Options:

  • http_method

  • http_client_body

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

source