""ET TROJAN MZRevenge Ransomware CnC""

SID: 2029647

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2020_03_18, deployment Perimeter, signature_severity Major, tag Ransomware, updated_at 2020_03_18, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact

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"

  • Value: "|0d 0a|User-Agent|3a 20|Mozilla/3.0 (compatible|3b| Indy Library)|0d 0a|"

  • Value: "|0d 0a|Content-Type|3a 20|multipart/form-data|3b| boundary=--------"

  • Value: !"Referer|3a 20|"

  • Value: "filename|3d 22|TVpS"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_header

  • http_header

  • fast_pattern

  • http_client_body

source