""ET MALWARE X-Files Stealer CnC Exfil Activity M1""

SID: 2032333

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_03_26, signature_severity Major, updated_at 2021_03_26

Reference:

  • md5

  • b572ed0bf3030cbb18d8af16e2c7e2c2

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: "/log.php"

  • Value: "form-data|3b 20|name=userfile|3b 20|filename="

  • Value: "Stealer|5c|"

Within:

PCRE: "/\/log.php$/U"

Special Options:

  • http_method

  • http_uri

  • http_client_body

  • fast_pattern

  • http_client_body

source