""ET TROJAN Win32/PSWStealer Data Exfiltration Attempt""

SID: 2044796

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_03_28, deployment Perimeter, malware_family PSWStealer, performance_impact Low, confidence High, signature_severity Major, tag PSWStealer, updated_at 2023_03_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: ".php"

  • Value: "Content-Disposition|3a 20|form-data|3b 20|name|3d 22|file|22 3b 20|filename|3d 22|"

  • Value: ".zip|22|"

  • Value: "|0d 0a 0d 0a|PK"

  • Value: "System.txt"

Within: 60

PCRE: "/.php$/U"

Special Options:

  • http_method

  • http_uri

  • http_client_body

  • http_client_body

  • http_client_body

  • fast_pattern

  • http_client_body

source