""ET USER_AGENTS Microsoft Device Metadata Retrieval Client User-Agent""
SID: 2027390
Revision: 2
Class Type: misc-activity
Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2019_05_28, deployment Perimeter, performance_impact Low, signature_severity Informational, updated_at 2019_05_28
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
- Value: "User-Agent|3a 20|MICROSOFT_DEVICE_METADATA_RETRIEVAL_CLIENT|0d 0a|"
Within:
PCRE:
Special Options:
-
http_header
-
fast_pattern