# KapKan
Opening invoice file in 7z and reading through its content reveals message in the UTF-8 char codes. This message can be seen at Figure 1.
![](https://raw.githubusercontent.com/kukuxumushi/HTBxUNI-CTF-quals-writeups/master/pictures/2021-03-07-23-22-03.png)
Figure 1 – Encoded mesage
Translating decimal to UTF-8 gives us the following:```powershell -ep bypass -e SABUAEIAewBEADAAbgA3AF8ANAA1AEsAXwBNADMAXwBoADAAVwBfADEANwBfAHcAMABSAEsANQBfAE0ANAA3ADMAfQA=```
The base64 part is equal to HTB{D0n7_45K_M3_h0W_17_w0RK5_M473}.Flag: HTB{D0n7_45K_M3_h0W_17_w0RK5_M473}