""ET TROJAN MSIL/Matrix Ransomware Sending Encrypted Filelist""

SID: 2024178

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 2017_04_04, deployment Perimeter, malware_family Ransomware, malware_family Matrix, signature_severity Major, tag Ransomware, updated_at 2019_05_26, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact

Reference:

  • md5

  • e5293a4da4b67be6ff2893f88c8ef757

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: "User-Agent|3a 20|Mozilla/4.0 (compatible|3b 20|Synapse)|0d 0a|"

  • Value: "name=|22|uploadfile|22 3b 20|filename=|22|C|3a 5c|"

  • Value: "|0d 0a|[ALL]|0d 0a|"

  • Value: "|0d 0a|[ALL_END]|0d 0a 0d 0a|[PRIORITY]|0d 0a|"

  • Value: !"Referer|3a|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_client_body

  • http_client_body

  • http_client_body

  • fast_pattern

  • http_header

source