I'm wondering if it's possible to identity the program that is causing these log entries in IIS. Could that be CuppaCMS that the program is looking for, hoping to exploit a vulnerability if it's present?
2023-05-05 12:11:30 192.168.1.99 OPTIONS /Cuppa.ico - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 200 0 0 62
2023-05-05 12:11:30 192.168.1.99 PROPFIND /Cuppa.ico - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:11:34 192.168.1.99 PROPFIND /x86/BINN/dtspkg.dll - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:11:34 192.168.1.99 PROPFIND /x86/BINN - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:11:34 192.168.1.99 PROPFIND /x86/x86/BINN/dtspkg.dll - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:11:35 192.168.1.99 PROPFIND /x86/x86/BINN - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:11:36 192.168.1.99 PROPFIND /Handbuch/AVK+InternetSecurity+2006.pdf - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:11:36 192.168.1.99 PROPFIND /Handbuch - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:11:39 192.168.1.99 PROPFIND /Cuppa.ico - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:11:42 192.168.1.99 PROPFIND /x86/BINN/dtspkg.dll - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:11:42 192.168.1.99 PROPFIND /x86/BINN - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:11:42 192.168.1.99 PROPFIND /x86/x86/BINN/dtspkg.dll - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:11:42 192.168.1.99 PROPFIND /x86/x86/BINN - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:11:44 192.168.1.99 PROPFIND /Handbuch/AVK+InternetSecurity+2006.pdf - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:11:44 192.168.1.99 PROPFIND /Handbuch - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:11:45 192.168.1.99 PROPFIND /Cuppa.ico - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:11:48 192.168.1.99 PROPFIND /x86/BINN/dtspkg.dll - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:11:48 192.168.1.99 PROPFIND /x86/BINN - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:11:48 192.168.1.99 PROPFIND /x86/x86/BINN/dtspkg.dll - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:11:48 192.168.1.99 PROPFIND /x86/x86/BINN - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:11:49 192.168.1.99 PROPFIND /Handbuch/AVK+InternetSecurity+2006.pdf - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:11:49 192.168.1.99 PROPFIND /Handbuch - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:11:51 192.168.1.99 PROPFIND /Cuppa.ico - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:11:53 192.168.1.99 PROPFIND /x86/BINN/dtspkg.dll - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:11:53 192.168.1.99 PROPFIND /x86/BINN - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:11:53 192.168.1.99 PROPFIND /x86/x86/BINN/dtspkg.dll - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:11:53 192.168.1.99 PROPFIND /x86/x86/BINN - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:11:54 192.168.1.99 PROPFIND /Handbuch/AVK+InternetSecurity+2006.pdf - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:11:54 192.168.1.99 PROPFIND /Handbuch - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:11:54 192.168.1.99 PROPFIND /Cuppa.ico - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:11:54 192.168.1.99 PROPFIND /x86/BINN/dtspkg.dll - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:11:54 192.168.1.99 PROPFIND /x86/BINN - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:11:54 192.168.1.99 PROPFIND /x86/x86/BINN/dtspkg.dll - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:11:55 192.168.1.99 PROPFIND /x86/x86/BINN - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:11:55 192.168.1.99 PROPFIND /Handbuch/AVK+InternetSecurity+2006.pdf - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:11:55 192.168.1.99 PROPFIND /Handbuch - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:11:59 192.168.1.99 PROPFIND /Cuppa.ico - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:12:01 192.168.1.99 PROPFIND /x86/BINN/dtspkg.dll - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:12:01 192.168.1.99 PROPFIND /x86/BINN - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:12:01 192.168.1.99 PROPFIND /x86/x86/BINN/dtspkg.dll - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:12:01 192.168.1.99 PROPFIND /x86/x86/BINN - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:12:02 192.168.1.99 PROPFIND /Handbuch/AVK+InternetSecurity+2006.pdf - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:12:02 192.168.1.99 PROPFIND /Handbuch - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:12:04 192.168.1.99 PROPFIND /Cuppa.ico - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:12:04 192.168.1.99 PROPFIND /x86/BINN/dtspkg.dll - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:12:04 192.168.1.99 PROPFIND /x86/BINN - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:12:04 192.168.1.99 PROPFIND /x86/x86/BINN/dtspkg.dll - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:12:04 192.168.1.99 PROPFIND /x86/x86/BINN - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:12:04 192.168.1.99 PROPFIND /Handbuch/AVK+InternetSecurity+2006.pdf - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:12:05 192.168.1.99 PROPFIND /Handbuch - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:12:05 192.168.1.99 PROPFIND /Cuppa.ico - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:12:07 192.168.1.99 PROPFIND /x86/BINN/dtspkg.dll - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:12:07 192.168.1.99 PROPFIND /x86/BINN - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:12:07 192.168.1.99 PROPFIND /x86/x86/BINN/dtspkg.dll - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:12:07 192.168.1.99 PROPFIND /x86/x86/BINN - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:12:08 192.168.1.99 PROPFIND /Handbuch/AVK+InternetSecurity+2006.pdf - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:12:08 192.168.1.99 PROPFIND /Handbuch - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:12:10 192.168.1.99 PROPFIND /Cuppa.ico - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:12:10 192.168.1.99 PROPFIND /x86/BINN/dtspkg.dll - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:12:10 192.168.1.99 PROPFIND /x86/BINN - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:12:10 192.168.1.99 PROPFIND /x86/x86/BINN/dtspkg.dll - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:12:10 192.168.1.99 PROPFIND /x86/x86/BINN - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:12:10 192.168.1.99 PROPFIND /Handbuch/AVK+InternetSecurity+2006.pdf - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:12:10 192.168.1.99 PROPFIND /Handbuch - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:12:11 192.168.1.99 PROPFIND /Cuppa.ico - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:12:13 192.168.1.99 PROPFIND /x86/BINN/dtspkg.dll - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:12:13 192.168.1.99 PROPFIND /x86/BINN - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:12:13 192.168.1.99 PROPFIND /x86/x86/BINN/dtspkg.dll - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:12:13 192.168.1.99 PROPFIND /x86/x86/BINN - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:12:14 192.168.1.99 PROPFIND /Handbuch/AVK+InternetSecurity+2006.pdf - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:12:14 192.168.1.99 PROPFIND /Handbuch - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:12:24 192.168.1.99 PROPFIND /Cuppa.ico - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:12:26 192.168.1.99 PROPFIND /x86/BINN/dtspkg.dll - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:12:26 192.168.1.99 PROPFIND /x86/BINN - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:12:26 192.168.1.99 PROPFIND /x86/x86/BINN/dtspkg.dll - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:12:26 192.168.1.99 PROPFIND /x86/x86/BINN - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:12:27 192.168.1.99 PROPFIND /Handbuch/AVK+InternetSecurity+2006.pdf - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:12:27 192.168.1.99 PROPFIND /Handbuch - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:12:29 192.168.1.99 PROPFIND /Cuppa.ico - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:12:29 192.168.1.99 PROPFIND /x86/BINN/dtspkg.dll - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:12:29 192.168.1.99 PROPFIND /x86/BINN - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:12:29 192.168.1.99 PROPFIND /x86/x86/BINN/dtspkg.dll - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 15
2023-05-05 12:12:29 192.168.1.99 PROPFIND /x86/x86/BINN - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:12:29 192.168.1.99 PROPFIND /Handbuch/AVK+InternetSecurity+2006.pdf - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0
2023-05-05 12:12:30 192.168.1.99 PROPFIND /Handbuch - 80 - 10.100.0.190 Microsoft-WebDAV-MiniRedir/10.0.19045 - 404 0 2 0