""ET TROJAN Win32/RCAP CnC Checkin""

SID: 2024984

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_11_14, deployment Perimeter, performance_impact Moderate, signature_severity Major, updated_at 2017_11_14

Reference:

  • md5

  • 3410af519f791af5f9554cbff7ece24a

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: "/callback.php?k="

  • Value: "&x="

  • Value: "Connection|3a 20|close|0d 0a|"

  • Value: !"Referer|3a|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

  • http_header

  • http_header

source