""ET WEB_CLIENT JS Browser Based Ransomware""
SID: 2017165
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2013_07_19, deployment Perimeter, signature_severity Major, tag Ransomware, updated_at 2013_07_19, 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,from_server
Contents:
- Value: "YOUR BROWSER HAS BEEN LOCKED.|5c|n|5c|nALL PC DATA WILL BE DETAINED"
Within:
PCRE:
Special Options:
- file_data