""ET INFO Observed Suspicious Request nc.exe in URI""
SID: 2033891
Revision: 1
Class Type: bad-unknown
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_09_02, deployment Perimeter, signature_severity Informational, updated_at 2021_09_02
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "GET"
-
Value: "/nc.exe"
-
Value: !"Referer|3a 20|"
Within:
PCRE: "/\/nc.exe$/Ui"
Special Options:
-
http_method
-
http_uri
-
nocase
-
fast_pattern
-
http_header