""ET TROJAN MSIL/NoCry Ransomware Checkin Via Discord""

SID: 2033099

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 2021_06_07, deployment Perimeter, signature_severity Major, tag Ransomware, updated_at 2021_06_07, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact

Reference:

  • md5

  • 682b432662affb2812ece6b940f5be51

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: "/api/webhooks/"

  • Value: "|0d 0a|Content-Disposition|3a 20|form-data|3b 20|name=username|0d 0a|"

  • Value: "Content-Disposition: form-data|3b 20|name=content|0d 0a 0d 0a|New Victim|0d 0a|"

  • Value: "ID|20 3a 20|"

  • Value: "Key|20 3a 20|"

  • Value: "Date&Time|20 3a 20|"

  • Value: !"Referer|3a 20|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_client_body

  • fast_pattern

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_header

source