日语 (UTF-8) “文件名”将在数据过滤日志中更改为空格或无意义数字,以便进行 boxnet 下载或网络借用

日语 (UTF-8) “文件名”将在数据过滤日志中更改为空格或无意义数字,以便进行 boxnet 下载或网络借用

5569
Created On 02/16/23 00:18 AM - Last Modified 02/02/24 06:10 AM


Symptom


对于上传到某些门户网站的“PaloaltoぱろあるとTestテスト.xlsx .xlsx”文件名,策略实施按预期工作,但日语文件名将在数据过滤日志中出现乱码,如下所示。
admin@GPGW_587822_ap-northeast-1_nippo> show log data receive_time in last-15-minutes direction equal backward app equal boxnet-downloading
Time                App             From                            Src Port         Source
Rule                Action          To                              Dst Port         Destination
Severity            Src User        Dst User                        Threat           Pcap_id
Rule_UUid           File Name
==========================================================================================
2023/xx/xx 16:10:42 boxnet-download trust                           58600           10.10.0.4
file-upload-test-fo deny            untrust                         443           xx.xx.xx.xx
low                 user01                                          ZIP(52004)      0
7b624028-80a4-4a09-ab6c-ad9420eac9ae Paloalto   Test   .xlsx
2023/xx/xx 16:09:37 boxnet-download trust                           58600           10.10.0.4
file-upload-test-fo deny            untrust                         443           xx.xx.xx.xx
low                 user01                                          ZIP(52004)      0
7b624028-80a4-4a09-ab6c-ad9420eac9ae Paloalto   Test   .xlsx

admin@GPGW_587822_ap-northeast-1_nippo> show log data receive_time in last-15-minutes direction equal backward app equal web-browsing
Time                App             From                            Src Port         Source
Rule                Action          To                              Dst Port         Destination
Severity            Src User        Dst User                        Threat           Pcap_id
Rule_UUid           File Name
==========================================================================================
2023/xx/xx 15:32:43 web-browsing    trust                           52005           10.10.0.4
file-upload-test-fo deny            untrust                         443           xx.xx.xx.xx
low                 user01                                          ZIP(52004)      0
7b624028-80a4-4a09-ab6c-ad9420eac9ae 1674455557.822.40031.201129602.xlsx
2023/xx/xx 15:32:37 web-browsing    trust                           52001           10.10.0.4
file-upload-test-fo deny            untrust                         443           xx.xx.xx.xx
low                 user01                                          ZIP(52004)      0
7b624028-80a4-4a09-ab6c-ad9420eac9ae 1674455552.0716.21153.201129601.xlsx


Environment


棱镜访问

Cause


这些文件名“Paloalto Test .xlsx”或“1674455557.822.40031.201129602.xlsx”文件名实际上是从这些门户生成的有效负载中检索的。

Resolution


这是按照当前设计工作的。

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