""ET INFO Possible PHP Backdoor Command Execution""
SID: 2036626
Revision: 2
Class Type: trojan-activity
Metadata: affected_product PHP, attack_target Web_Server, created_at 2022_05_18, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, signature_severity Major, updated_at 2022_05_18
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: any
Destination Network: $HOME_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "GET"
-
Value: ".php"
-
Value: "=system|28 27|"
-
Value: !"Referer|3a 20|"
Within:
PCRE:
Special Options:
-
http_method
-
http_uri
-
http_uri
-
fast_pattern
-
http_header