""ET TROJAN Win32/0xtaRAT CnC Activity M2 (GET)""

SID: 2044291

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_02_21, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, updated_at 2023_06_08, reviewed_at 2024_01_26

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "|2e|php|3f|GUID|3d|"

  • Value: "SYS="

  • Value: "|7c|"

  • Value: "|7c|"

Within:

PCRE: "/(?P[a-z0-9]{8}-[a-z0-9]{4}-[a-z0-9]{4}-[a-z0-9]{4}-[a-z0-9]{12})(?P=guid)?\&/U"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

  • http_uri

  • http_uri

source