""ET WEB_CLIENT SUSPICIOUS Possible automated connectivity check (www.bing.com)""
SID: 2018432
Revision: 2
Class Type: bad-unknown
Metadata: affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2014_04_30, deployment Perimeter, performance_impact Moderate, signature_severity Major, tag Web_Client_Attacks, updated_at 2024_04_30, reviewed_at 2024_03_06
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: 80
Flow: established,to_server
Contents:
-
Value: "GET / HTTP/1."
-
Value: "|0d 0a|Host|3a 20|www.bing.com|0d 0a 0d 0a|"
Within: 24
PCRE:
Special Options: