""ET INFO OneNote Notebook Downloaded via Powershell""
SID: 2043296
Revision: 2
Class Type: misc-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_01_13, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, updated_at 2023_01_16
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: to_server,established
Contents:
-
Value: "GET"
-
Value: ".one"
-
Value: "WindowsPowerShell/"
-
Value: !"Referer|3a 20|"
Within:
PCRE: "/^User-Agent\x3a\x20[^\r\n]+WindowsPowerShell\//Hmi"
Special Options:
-
http_method
-
http_uri
-
http_header
-
fast_pattern
-
http_header