We’ve been seeing quite some malicious Excel files with Excel 4 macros lately. A variant we are observing now, is password protected Excel 4 maldocs, using the binary file format .xls (and not OOXML, .xlsm). Password protected .xls files are not completely encrypted. Simply put: it’s the data of the BIFF records that is encrypted, …
Read more “Password Protected Malicious Excel Files, (Mon, Apr 6th)”
We’ve been seeing quite some malicious Excel files with Excel 4 macros lately. A variant we are observing now, is password protected Excel 4 maldocs, using the binary file format .xls (and not OOXML, .xlsm). Password protected .xls files are not completely encrypted. Simply put: it’s the data of the BIFF records that is encrypted, …
Read more “Password Protected Malicious Excel Files, (Mon, Apr 6th)”
We’ve been seeing quite some malicious Excel files with Excel 4 macros lately. A variant we are observing now, is password protected Excel 4 maldocs, using the binary file format .xls (and not OOXML, .xlsm). Password protected .xls files are not completely encrypted. Simply put: it’s the data of the BIFF records that is encrypted, …
Read more “Password Protected Malicious Excel Files, (Mon, Apr 6th)”
We’ve been seeing quite some malicious Excel files with Excel 4 macros lately. A variant we are observing now, is password protected Excel 4 maldocs, using the binary file format .xls (and not OOXML, .xlsm). Password protected .xls files are not completely encrypted. Simply put: it’s the data of the BIFF records that is encrypted, …
Read more “Password Protected Malicious Excel Files, (Mon, Apr 6th)”
We’ve been seeing quite some malicious Excel files with Excel 4 macros lately. A variant we are observing now, is password protected Excel 4 maldocs, using the binary file format .xls (and not OOXML, .xlsm). Password protected .xls files are not completely encrypted. Simply put: it’s the data of the BIFF records that is encrypted, …
Read more “Password Protected Malicious Excel Files, (Mon, Apr 6th)”
We’ve been seeing quite some malicious Excel files with Excel 4 macros lately. A variant we are observing now, is password protected Excel 4 maldocs, using the binary file format .xls (and not OOXML, .xlsm). Password protected .xls files are not completely encrypted. Simply put: it’s the data of the BIFF records that is encrypted, …
Read more “Password Protected Malicious Excel Files, (Mon, Apr 6th)”
We’ve been seeing quite some malicious Excel files with Excel 4 macros lately. A variant we are observing now, is password protected Excel 4 maldocs, using the binary file format .xls (and not OOXML, .xlsm). Password protected .xls files are not completely encrypted. Simply put: it’s the data of the BIFF records that is encrypted, …
Read more “Password Protected Malicious Excel Files, (Mon, Apr 6th)”
We’ve been seeing quite some malicious Excel files with Excel 4 macros lately. A variant we are observing now, is password protected Excel 4 maldocs, using the binary file format .xls (and not OOXML, .xlsm). Password protected .xls files are not completely encrypted. Simply put: it’s the data of the BIFF records that is encrypted, …
Read more “Password Protected Malicious Excel Files, (Mon, Apr 6th)”
We’ve been seeing quite some malicious Excel files with Excel 4 macros lately. A variant we are observing now, is password protected Excel 4 maldocs, using the binary file format .xls (and not OOXML, .xlsm). Password protected .xls files are not completely encrypted. Simply put: it’s the data of the BIFF records that is encrypted, …
Read more “Password Protected Malicious Excel Files, (Mon, Apr 6th)”
We’ve been seeing quite some malicious Excel files with Excel 4 macros lately. A variant we are observing now, is password protected Excel 4 maldocs, using the binary file format .xls (and not OOXML, .xlsm). Password protected .xls files are not completely encrypted. Simply put: it’s the data of the BIFF records that is encrypted, …
Read more “Password Protected Malicious Excel Files, (Mon, Apr 6th)”