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chore(rmm-monitor): TightVNC

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@ -2,7 +2,7 @@
title: Splunk Threat Hunting
layout: page
date: 2025-01-15
updated: 2025-02-26
updated: 2025-03-29
---
Some searches utilise [cmdb_ci_list_lookup](https://gitlab.com/curben/splunk-scripts/-/tree/main/Splunk_TA_snow) lookup.
@ -1208,11 +1208,11 @@ SPL:
## Remote Desktop tool installation/execution
Description: Remote desktop software commonly abused by threat actor to deploy ransomware.
References: [1](https://thedfirreport.com/2024/06/10/icedid-brings-screenconnect-and-csharp-streamer-to-alphv-ransomware-deployment/#execution), [2](https://redcanary.com/blog/threat-intelligence/intelligence-insights-june-2024/), [3](https://blog.talosintelligence.com/lilacsquid/), [4](https://thedfirreport.com/2024/08/12/threat-actors-toolkit-leveraging-sliver-poshc2-batch-scripts/#c18), [5](https://arcticwolf.com/resources/blog/arctic-wolf-observes-campaign-exploiting-simplehelp-rmm-software-for-initial-access/), [6](https://blog.talosintelligence.com/talos-ir-trends-q4-2024/)
References: [1](https://thedfirreport.com/2024/06/10/icedid-brings-screenconnect-and-csharp-streamer-to-alphv-ransomware-deployment/#execution), [2](https://redcanary.com/blog/threat-intelligence/intelligence-insights-june-2024/), [3](https://blog.talosintelligence.com/lilacsquid/), [4](https://thedfirreport.com/2024/08/12/threat-actors-toolkit-leveraging-sliver-poshc2-batch-scripts/#c18), [5](https://arcticwolf.com/resources/blog/arctic-wolf-observes-campaign-exploiting-simplehelp-rmm-software-for-initial-access/), [6](https://blog.talosintelligence.com/talos-ir-trends-q4-2024/), [7](https://www.security.com/threat-intelligence/ransomhub-betruger-backdoor)
SPL:
```spl
| tstats summariesonly=true allow_old_summaries=true count FROM datamodel=Endpoint.Processes WHERE index="windows" Processes.process IN ("*ScreenConnect*", "*NetSupport*", "*TeamViewer*", "*AnyDesk*", "*MeshAgent*", "*Splashtop*", "*AteraAgent*", "*LogMeIn*", "*RustDesk*", "*ToDesk*", "*SimpleHelp*", "*Netop*", "*Impero*", "*RealVNC*", "*Dameware*") BY index, host, Processes.signature_id, Processes.signature, Processes.parent_process, Processes.process, Processes.user, _time span=1s
| tstats summariesonly=true allow_old_summaries=true count FROM datamodel=Endpoint.Processes WHERE index="windows" Processes.process IN ("*ScreenConnect*", "*NetSupport*", "*TeamViewer*", "*AnyDesk*", "*MeshAgent*", "*Splashtop*", "*AteraAgent*", "*LogMeIn*", "*RustDesk*", "*ToDesk*", "*SimpleHelp*", "*Netop*", "*Impero*", "*RealVNC*", "*Dameware*", "*TightVNC*") BY index, host, Processes.signature_id, Processes.signature, Processes.parent_process, Processes.process, Processes.user, _time span=1s
| rename Processes.* AS *, signature_id AS EventCode, signature AS EventDescription
| eval Time = strftime(_time, "%Y-%m-%d %H:%M:%S %z")
| lookup ad_users sAMAccountName AS user OUTPUT displayName AS Name, mail AS Email
@ -1222,11 +1222,11 @@ SPL:
## Remote Desktop tool auto-start
Description: Remote desktop software commonly abused by threat actor to deploy ransomware.
References: [1](https://thedfirreport.com/2024/06/10/icedid-brings-screenconnect-and-csharp-streamer-to-alphv-ransomware-deployment/#persistence), [2](https://redcanary.com/blog/threat-intelligence/intelligence-insights-june-2024/), [3](https://blog.talosintelligence.com/lilacsquid/), [4](https://thedfirreport.com/2024/08/12/threat-actors-toolkit-leveraging-sliver-poshc2-batch-scripts/#c18), [5](https://arcticwolf.com/resources/blog/arctic-wolf-observes-campaign-exploiting-simplehelp-rmm-software-for-initial-access/), [6](https://blog.talosintelligence.com/talos-ir-trends-q4-2024/)
References: [1](https://thedfirreport.com/2024/06/10/icedid-brings-screenconnect-and-csharp-streamer-to-alphv-ransomware-deployment/#persistence), [2](https://redcanary.com/blog/threat-intelligence/intelligence-insights-june-2024/), [3](https://blog.talosintelligence.com/lilacsquid/), [4](https://thedfirreport.com/2024/08/12/threat-actors-toolkit-leveraging-sliver-poshc2-batch-scripts/#c18), [5](https://arcticwolf.com/resources/blog/arctic-wolf-observes-campaign-exploiting-simplehelp-rmm-software-for-initial-access/), [6](https://blog.talosintelligence.com/talos-ir-trends-q4-2024/), [7](https://www.security.com/threat-intelligence/ransomhub-betruger-backdoor)
SPL:
```spl
| tstats summariesonly=true allow_old_summaries=true count FROM datamodel=Endpoint.Services WHERE index="windows" Services.signature_id="7045" Services.process IN ("*ScreenConnect*", "*NetSupport*", "*TeamViewer*", "*AnyDesk*", "*MeshAgent*", "*Splashtop*", "*AteraAgent*", "*LogMeIn*", "*RustDesk*", "*ToDesk*", "*SimpleHelp*", "*Netop*", "*Impero*", "*RealVNC*", "*Dameware*") BY index, host, Services.signature_id, Services.signature, Services.process, Services.service_name, _time span=1s
| tstats summariesonly=true allow_old_summaries=true count FROM datamodel=Endpoint.Services WHERE index="windows" Services.signature_id="7045" Services.process IN ("*ScreenConnect*", "*NetSupport*", "*TeamViewer*", "*AnyDesk*", "*MeshAgent*", "*Splashtop*", "*AteraAgent*", "*LogMeIn*", "*RustDesk*", "*ToDesk*", "*SimpleHelp*", "*Netop*", "*Impero*", "*RealVNC*", "*Dameware*", "*TightVNC*") BY index, host, Services.signature_id, Services.signature, Services.process, Services.service_name, _time span=1s
| rename Services.* AS *, signature_id AS EventCode, signature AS EventDescription
| eval Time=strftime(_time, "%Y-%m-%d %H:%M:%S %z")
| table Time, host, EventCode, EventDescription, service_name, process, index
@ -1239,7 +1239,7 @@ References: [1](https://thedfirreport.com/2024/06/10/icedid-brings-screenconnect
SPL:
```spl
| tstats summariesonly=true allow_old_summaries=true count FROM datamodel=Change.All_Changes WHERE index="windows" All_Changes.result_id=4698 All_Changes.object_attrs IN ("*ScreenConnect*", "*NetSupport*", "*TeamViewer*", "*AnyDesk*", "*MeshAgent*", "*Splashtop*", "*AteraAgent*", "*LogMeIn*", "*RustDesk*", "*ToDesk*", "*SimpleHelp*", "*Netop*", "*Impero*", "*RealVNC*", "*Dameware*") BY host, All_Changes.command, All_Changes.object, All_Changes.object_attrs, All_Changes.result, All_Changes.result_id, All_Changes.user, _time span=1s
| tstats summariesonly=true allow_old_summaries=true count FROM datamodel=Change.All_Changes WHERE index="windows" All_Changes.result_id=4698 All_Changes.object_attrs IN ("*ScreenConnect*", "*NetSupport*", "*TeamViewer*", "*AnyDesk*", "*MeshAgent*", "*Splashtop*", "*AteraAgent*", "*LogMeIn*", "*RustDesk*", "*ToDesk*", "*SimpleHelp*", "*Netop*", "*Impero*", "*RealVNC*", "*Dameware*", "*TightVNC*") BY host, All_Changes.command, All_Changes.object, All_Changes.object_attrs, All_Changes.result, All_Changes.result_id, All_Changes.user, _time span=1s
| rename All_Changes.* AS *, object AS TaskName, result AS EventDescription, result_id AS EventCode, object_attrs AS TaskAttributes
| eval Time = strftime(_time, "%Y-%m-%d %H:%M:%S %z")
| table Time, host, TaskName, command, EventCode, EventDescription, user, TaskAttributes