MikeGPT CyberSecurity

# Actionable Guidance for Red Canary # Generated: 2026-01-28 16:01:55 # Step 1: Navigate to Red Canary Console → Analytics → Applications # Purpose: Conduct an immediate inventory audit to identify the scope of 'GoTo Resolve' (and other RMM tools) installation across the fleet to distinguish between authorized IT administration and potential shadow IT/attacker footholds. # Expected: A list of all endpoints running the specific RMM binary. You will be able to export this list to cross-reference against authorized IT asset lists to identify anomalous installations. # Step 2: Navigate to Red Canary Console → Automations → New Automation # Purpose: Configure an automated response playbook to isolate endpoints immediately upon the detection of high-severity threats related to crypto-mining behaviors or RMM abuse (e.g., 'Masquerading' or 'Process Injection'). # Expected: Creation of a 'Trigger' set to 'Threat Published' with specific criteria (e.g., Classification = 'Malicious Software'), linked to an 'Action' (e.g., 'Isolate Endpoint' via the integrated EDR), ensuring sub-minute response time to GPU hijacking attempts. # Step 3: Navigate to Red Canary Console → Threats # Purpose: Review active detections specifically filtering for 'Living off the Land' tactics where legitimate binaries (like GoTo Resolve) spawn unexpected child processes (e.g., PowerShell, cmd.exe) or initiate high-volume network connections (mining pools). # Expected: Identification of confirmed threats where the Red Canary CIRT has analyzed the behavioral telemetry and confirmed that a legitimate tool is being used maliciously. # Verification Steps: # - Navigate to Automations → [Select Created Automation] → Recent Activity # Expected: The 'Recent Activity' log should show 'Succeeded' status for test triggers or actual threats, confirming that the isolation command is successfully passing from Red Canary to the underlying EDR sensor. # - Navigate to Endpoints → [Select a High-Risk Endpoint] → Telemetry # Expected: Verify that the 'Last Check-in' time is within the last 15 minutes and that process telemetry is actively flowing. Without active telemetry, behavioral analytics cannot detect the GPU usage anomalies or RMM misuse.

rule Suspect_GoToResolve_Tools { meta: description = "Detects GoTo Resolve tools flagged as potential risks (GhostPoster/Imagents)" author = "Threat Rundown" date = "2026-01-28" reference = "https://hackread.com/?p=140504" severity = "medium" tlp = "white" strings: $s1 = "GhostPoster" ascii wide $s2 = "Imagents" ascii wide $s3 = "HEURRemoteAdmin.GoToResolve.gen" ascii wide $s4 = "GoTo Resolve" ascii wide condition: (any of ($s1,$s2,$s3)) or ($s4 and any of ($s1,$s2)) }

index=security sourcetype="firewall" OR sourcetype="syslog" src_ip="134.209.127.249" OR dest_port=23 | eval risk_score=case( src_ip=="134.209.127.249", 100, dest_port==23 AND action=="allowed", 75, 1==1, 25) | where risk_score >= 50 | table _time, src_ip, dest_ip, dest_port, action, risk_score | sort -_time

$computers = "localhost", "WKSTN01", "WKSTN02" foreach ($computer in $computers) { if (Test-Connection -ComputerName $computer -Count 1 -Quiet) { Invoke-Command -ComputerName $computer -ScriptBlock { $winrar = Get-ItemProperty "HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\*" | Where-Object { $_.DisplayName -like "*WinRAR*" } if ($winrar) { Write-Host "Found WinRAR on $env:COMPUTERNAME : Version $($winrar.DisplayVersion)" # Note: CVE-2025-8088 affects versions prior to July 2025 patch } else { Write-Host "WinRAR not found on $env:COMPUTERNAME" } } } }