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EricZimmerman / evtx

C# based evtx parser with lots of extras
MIT License
280 stars 59 forks source link

Error unknown tag to build for OpCode: TokenCharRef2 (0x00000048) #208

Open maysara opened 2 years ago

maysara commented 2 years ago

EvtxECmd version # EvtxECmd version 1.0.0.0

Describe the bug Runnig EvtxECmd.exe -f .\audit_ncstcifs_D2022-08-17-T15-19-18_0000000000.evtx --inc 4663 Produces an Error and 0 records are processed: Error processing C:\PATH\audit_ncstcifs_D2022-08-17-T15-19-18_0000000000.evtx! Message: unknown tag to build for opCode: TokenCharRef2 (0x00000048) at position 0xCC

To Reproduce Steps to reproduce the behavior:

  1. Run the command, regardless of arguments, against a NetApp evtx file

Expected behavior Either to work as expected or Continue converting with warning about missing parts

Screenshots Error processing C:\PATH\audit_ncstcifs_D2022-08-17-T15-19-18_0000000000.evtx! Message: unknown tag to build for opCode: TokenCharRef2 (0x00000048) at position 0xCC .

Additional context Those Logs are generated on NetApp

AndrewRathbun commented 2 years ago

@maysara do you have any sample data you can provide?

maysara commented 2 years ago

@AndrewRathbun

@maysara do you have any sample data you can provide? A sample of 2MB chunk: https://hostb.org/26XW pwd is @+your twitter handle Please remove File with: 578ZHW

AndrewRathbun commented 2 years ago

@AndrewRathbun

@maysara do you have any sample data you can provide? A sample of 2MB chunk: https://hostb.org/26XW pwd is @+your twitter handle Please remove File with: 578ZHW

Got it, thank you! I've been able to recreate the issue. I passed the .evtx on to Eric.

tgomell commented 2 years ago

These problems came with netapp logs. I get this Error too: \Downloads\EvtxECmd\EvtxeCmd\audit_ncstcifs.evtx! Message: unknown tag to build for opCode: TokenCharRef2 (0x00000048) at position 0xCC

EvtxECmd.exe -f "audit_ncstcifs.evtx" --csv "C:\Users\t.gomell\Downloads\EvtxECmd\EvtxeCmd" --inc 4663