In some cases, Ursnif is a follow-up infection caused by different malware families like Hancitor, as reported in this recent example. Ursnif can be distributed through web-based infection chains and malicious spam (malspam). You should also have experience with Wireshark display filters as described in this additional tutorial.
Note: This tutorial assumes you have a basic knowledge of Wireshark, and it uses a customized column display shown in this tutorial. Five examples of pcaps from Ursnif infections.Understanding these traffic patterns can be critical for security professionals when detecting and investigating Ursnif infections. This tutorial reviews packet captures (pcaps) of infection Ursnif traffic using Wireshark. The Ursnif family of malware has been active for years, and current samples generate distinct traffic patterns. Ursnif is banking malware sometimes referred to as Gozi or IFSB.
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