""ET TROJAN Unknown Rootkit Checkin Activity (getSystemInfo)""
SID: 2033648
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2021_08_03, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2021_08_03
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "GET"
-
Value: "/api/system/getSystemInfo"
-
Value: "User-Agent|3a 20|Http-connect|0d 0a|"
Within:
PCRE:
Special Options:
-
http_method
-
fast_pattern
-
http_uri
-
http_header