""ET TROJAN [PTsecurity] MZRevenge Ransomware Server Response""
SID: 2029644
Revision: 3
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2020_03_18, deployment Perimeter, signature_severity Major, tag Ransomware, updated_at 2020_11_12, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_client
Contents:
-
Value: "|0d 0a|Content-Type|3a 20|text/html|3b 20|charset=UTF-8|0d 0a|"
-
Value: "|0d 0a 0d 0a|MZR-"
Within:
PCRE:
Special Options:
-
http_header
-
fast_pattern