""ET WEB_CLIENT Request for search-ms file extension - Possible NTLM Hash Leak Attempt Attempt""
SID: 2050425
Revision: 1
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, created_at 2024_01_24, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_01_24
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "GET"
-
Value: "|2e|search-ms"
Within:
PCRE: "/|2e|search-ms$/U"
Special Options:
-
http_method
-
http_uri
-
fast_pattern