""ET TROJAN Win32/Ramsay CnC Checkin""

SID: 2030176

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_05_18, deployment Perimeter, malware_family Ramsay, performance_impact Low, signature_severity Major, updated_at 2020_05_18

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: ".php?vol="

  • Value: "&q="

  • Value: "&guid=|7b|"

  • Value: "|7d|"

Within:

PCRE: "/^[\x20-\x7e\r\n]{0,13}[^\x20-\x7e\r\n]/Psi"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

  • http_uri

  • http_uri

source