""ET WEB_CLIENT Tech Support Phone Scam Landing 2017-07-26""
SID: 2025908
Revision: 3
Class Type: trojan-activity
Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2018_07_26, deployment Perimeter, signature_severity Minor, tag Tech_Support_Scam, updated_at 2019_08_16
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: from_server,established
Contents:
-
Value: "Microsoft Windows Notification"
-
Value: "
-
Value: ".mp3 type=audio/mpeg"
Within:
PCRE:
Special Options:
-
file_data
-
nocase
-
fast_pattern
-
nocase
-
nocase