How do I use wireshark to investigate Snort IDS alert "A Network Trojan was Detected"?

[Turritopsis Dohrnii Teo En Ming <turritopsis.dohrnii () teo-en-ming com>]

Good evening from Singapore,

I have the following alert "A Network Trojan was Detected" in my Snort Intrusion Detection System (IDS) which is in my 
pfSense Network Security Appliance.

Thread: [Snort-users] Snort IDS in pfSense Network Security Appliance: "A Network Trojan was Detected"

URL: https://lists.snort.org/pipermail/snort-users/2018-October/071833.html

Is there any way I can use wireshark to pin-point the operating system process in memory or filesystem object which is 
triggering the above-mentioned Snort IDS/IPS alert? I am hoping to know which executable file is triggering this 
IDS/IPS alert.

Please advise.

Thank you very much.     
 
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