""ET WEB_CLIENT Tech Support Phone Scam Landing M1 Jun 29 2016""
SID: 2022925
Revision: 3
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2016_06_29, deployment Perimeter, performance_impact Low, signature_severity Major, tag Phishing, updated_at 2017_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: "401"
-
Value: "WWW-Authenticate|3a 20|Basic realm=|22|"
-
Value: "has been blocked"
Within:
PCRE:
Special Options:
-
http_stat_code
-
nocase
-
http_header
-
http_header
-
nocase
-
fast_pattern