""ET TROJAN SimpleHelp Remote Access Software Activity""

SID: 2049863

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_12_28, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2023_12_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: "GET"

  • Value: "-version.txt?time="

  • Value: "User-Agent|3a 20|JWrapperDownloader|0d 0a|"

  • Value: !"Referer|3a 20|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

  • http_header

source