""ET WEB_SERVER Generic Webshell Observed Outbound""
SID: 2031651
Revision: 2
Class Type: attempted-admin
Metadata: attack_target Web_Server, created_at 2021_02_23, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, updated_at 2021_02_23
Reference:
Protocol: tcp
Source Network: $HTTP_SERVERS
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: any
Flow: established,to_client
Contents:
-
Value: "200"
-
Value: "<form action=|22 22 20|"
-
Value: "
Within:
PCRE:
Special Options:
-
http_stat_code
-
file_data