""ET TROJAN Revcode RAT CnC""

SID: 2024500

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 2017_07_27, deployment Perimeter, performance_impact Moderate, signature_severity Major, updated_at 2017_07_27

Reference:

  • md5

  • 3f652d9bc17a4be3c0e497ea19848344

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: ".php"

  • Value: "keyauth=" Depth: 8

  • Value: "&key="

  • Value: "&uid="

  • Value: !"Referer|3a|"

  • Value: "WinHttpRequest"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_client_body

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_header

  • http_header

source