""ET TROJAN Possible Kaseya VSA Exploit Activity Inbound M1""
SID: 2033250
Revision: 2
Class Type: trojan-activity
Metadata: affected_product Kaseya_VSA, attack_target Client_Endpoint, created_at 2021_07_06, deployment Perimeter, signature_severity Major, updated_at 2023_03_10, reviewed_at 2024_05_06
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_server
Contents:
-
Value: "GET"
-
Value: "/done.asp"
-
Value: "User-Agent|3a 20|curl/"
Within:
PCRE: "/\/done.asp$/U"
Special Options:
-
http_method
-
http_uri
-
fast_pattern
-
http_header