""ET WEB_CLIENT Generic Webshell Accessed on External Compromised Server""
SID: 2032634
Revision: 2
Class Type: web-application-attack
Metadata: affected_product Web_Server_Applications, attack_target Web_Server, created_at 2021_04_09, deployment Perimeter, signature_severity Major, updated_at 2021_04_09
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_client
Contents:
-
Value: "
Linux|20|" -
Value: "method=|22|post|22 20|enctype=|22|multipart/form-data|22 20|name=|22|uploader|22 20|id=|22|uploader|22|><input type=|22|file|22 20|name=|22|file|22 20|size="
-
Value: ""
Within:
PCRE:
Special Options:
-
file_data
-
fast_pattern