""ET INFO Microsoft Malware Protection User-Agent Observed to Non-Microsoft Domain""
SID: 2030850
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 2020_09_09, deployment Perimeter, signature_severity Major, updated_at 2020_09_09
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: to_server,established
Contents:
-
Value: "User-Agent|3a 20|MpCommunication"
-
Value: !".microsoft.com|0d 0a|"
Within:
PCRE:
Special Options:
-
http_header
-
fast_pattern
-
http_header