""ET SCAN UPnP SUBSCRIBE Inbound - Possible CallStranger Scan (CVE-2020-12695)""
SID: 2030272
Revision: 2
Class Type: attempted-recon
Metadata: attack_target Client_Endpoint, created_at 2020_06_09, cve CVE_2020_12695, deployment Perimeter, signature_severity Informational, updated_at 2020_06_09
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_server
Contents:
-
Value: "SUBSCRIBE"
-
Value: "CALLBACK|3a 20|"
-
Value: "NT|3a 20|"
Within:
PCRE:
Special Options:
-
http_method
-
nocase
-
http_header
-
fast_pattern
-
http_header