""ET WEB_CLIENT Tech Support Scam Landing 2020-08-19""
SID: 2030705
Revision: 2
Class Type: trojan-activity
Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2020_08_19, deployment Perimeter, signature_severity Minor, updated_at 2020_08_19
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_client
Contents:
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Value: "VIRUS ALERT FROM MICROSOFT"
-
Value: "This computer is BLOCKED"
-
Value: "Microsoft Security"
Within:
PCRE:
Special Options:
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file_data
-
fast_pattern