""ET TROJAN HackTool.Linux.SSHBRUTE.A Haiduc Initial Compromise C2 POST""

SID: 2026642

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Linux, attack_target Client_Endpoint, created_at 2018_11_21, deployment Perimeter, signature_severity Major, updated_at 2018_11_21

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: "/info.php"

  • Value: "User-Agent|3A| curl/"

  • Value: "info=" Depth: 5

  • Value: "&data="

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_client_body

  • http_client_body

source