""ET TROJAN Win32/Common RAT Host Checkin (GET)""

SID: 2048662

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_10_19, deployment Perimeter, malware_family RAT, confidence High, signature_severity Critical, updated_at 2023_10_19, reviewed_at 2023_10_19

Reference:

  • md5

  • 6eb9f82c1b93fa4d6a79f2c06e65f83b

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: ".php?id="

  • Value: "&key="

  • Value: "User-Agent|3a 20|Mozilla|2f|5|2e|0|20 28|Windows|20|NT|3b 20|Windows|20|NT|20|"

  • Value: "WindowsPowerShell/"

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/&key=(?:[0-9]{10,12})$/U"

Special Options:

  • http_method

  • http_uri

  • http_uri

  • http_header

  • fast_pattern

  • http_header

  • http_header

source