# Backdoored Source

{% hint style="info" %}
So find the bug in the zeek source version release/2.0. They provide a tampered zip file of the source.
{% endhint %}

Zeek repo lives here <https://github.com/zeek/zeek>

The original source tag here <https://github.com/zeek/zeek/releases/tag/v2.0>

![](/files/-MJgbVW7TLdxx6V_lc8r)

Clone that tag down. I used [beyond compare](http://scootersoftware.com/) to do a folder diff on the sourcetree. Uh oh whats up with that file I wonder.

![](/files/-MJgbmv6phrLG5riJwh2)

![](/files/-MJgc5KUaqeTn1SqnMI-)

{% hint style="success" %}
The Solution

```
scripts/base/protocols/conn/main.bro
```

{% endhint %}


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