""ET TROJAN Win32/Khaosz.A!MTB Checkin - Command Retrieval""

SID: 2042890

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Linux, attack_target Client_and_Server, created_at 2022_12_14, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, updated_at 2022_12_14

Reference:

  • md5

  • 94803cf635cf08b96ea3de6b301563b5

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: "/command?address=" Depth: 17

  • Value: "User-Agent|3a 20|Go-http-client/"

  • Value: "jwt=" Depth: 4

Within:

PCRE: "/\/command\?address=[A-Za-z0-9+/=]{24}$/U"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

  • http_cookie

source