""ET WEB_CLIENT WSO 4.2.5 Webshell Accessed on External Compromised Server""
SID: 2029867
Revision: 2
Class Type: web-application-attack
Metadata: affected_product Web_Server_Applications, attack_target Web_Server, created_at 2020_04_10, deployment Perimeter, signature_severity Major, updated_at 2020_04_10
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_client
Contents:
- Value: "WSO 4.2.5"
Within:
PCRE:
Special Options:
-
file_data
-
nocase
-
fast_pattern