""ET TROJAN RKO Remote File Upload Attempt""

SID: 2037870

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_07_29, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2022_07_29

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: "/mh/upload.php"

  • Value: "name|3d 22|filename|22|"

  • Value: "apinew.txt"

  • Value: "name|3d 22|foldername|22|"

  • Value: "Files"

  • Value: "name|3d 22|data|22|"

  • Value: "name|3d 22|send|22|"

  • Value: "Send"

  • Value: "/mh/ftp/remote.htm|0d 0a|"

Within:

PCRE: "/^Referer\x3a\x20[^\r\n]+\/mh\/ftp\/remote.htm/Hmi"

Special Options:

  • http_method

  • http_uri

  • http_client_body

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_header

source