""ET WEB_CLIENT Suspicious HTML Script Tag in 401 Unauthorized Response (External Source)""
SID: 2010514
Revision: 9
Class Type: web-application-activity
Metadata: affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2010_07_30, deployment Perimeter, former_category WEB_CLIENT, signature_severity Major, tag Web_Client_Attacks, updated_at 2018_04_04
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: "Unauthorized"
-
Value: "<script"
Within: 280
PCRE:
Special Options:
-
http_stat_code
-
nocase
-
file_data
-
nocase