sample event :
Thu Jan 21 14:45:07 2018 Info: MID 252525 Subject '=?windows-874?B?IFl1YW50YSBSZXNlYXJjaCi6t8fU4KTD0tDL7LvD0KjTx9G5KSA6IDcv?=\r\n\t=?windows-874?B?MTIvMjAxNyA4OjM1OjIwIEFN?=
I need subject to be decoded and displayed as below in field value of splunk OR subject should be changed in event while indexing.
Yuanta Research(บทวิเคราะห์ประจำวัน) : 7/\r\n\t12/2017 8:35:20 AM
you can use the app MIME Decoder Add-on for Cisco ESA to decode mime header 🙂 .But I can't solve it with encoding "gbk"
Were you able to solve this issue. I have same issue pls.