MikeGPT CyberSecurity

# Actionable Guidance for Rapid7 # Generated: 2026-05-06 14:03:51 # Step 1: Navigate to InsightVM Console → Administration → Global and Console Settings → Administration → Content Updates # Purpose: Ensure the Rapid7 Scan Engine has the latest vulnerability definitions to detect the newly disclosed Apache (CVE-2026-23918), PAN-OS (CVE-2026-0300), and Oracle CVEs. # Expected: The console will download and apply the latest vulnerability checks, ensuring subsequent scans can accurately identify these specific critical infrastructure threats. # Step 2: Navigate to InsightVM Console → Assets → Filtered Asset Search # Purpose: Create a Dynamic Asset Group (DAG) targeting potentially affected infrastructure by filtering for 'Software name contains Apache', 'OS contains PAN-OS', and 'Software name contains Oracle'. # Expected: A dynamically updating list of all internal and external assets running the targeted software, allowing security teams to isolate the attack surface for immediate assessment. # Step 3: Navigate to InsightVM Console → Vulnerabilities → Remediation Projects → Create a Project # Purpose: Create a targeted remediation project specifically filtering for CVE-2026-23918 and CVE-2026-0300, assigning it directly to the network and web infrastructure teams. # Expected: A tracked workflow that provides IT teams with specific remediation steps (e.g., PAN-OS hotfixes, Apache updates) and tracks resolution progress in real-time. # Verification Steps: # - Review the 'Scan History' under the Sites tab after initiating a targeted scan on the newly created Dynamic Asset Group. # Expected: Scan status displays 'Completed' with no authentication failures, and the Vulnerabilities tab accurately reflects the presence or absence of the specified CVEs based on the latest content update. # - Monitor the Remediation Project dashboard for the assigned Apache and PAN-OS vulnerabilities after IT reports patching is complete. # Expected: Following the next automated scan cycle, the vulnerability status within the Remediation Project automatically transitions from 'Open' to 'Closed/Remediated', decreasing the overall Real Risk Score.

rule Detect_Karakurt_Apache_Exploit_Artifacts { meta: description = "Detects artifacts related to Karakurt activity and CVE-2026-23918 exploitation attempts" author = "Threat Rundown" date = "2026-05-06" reference = "https://securityaffairs.com/?p=191759" severity = "high" tlp = "white" strings: $s1 = "Karakurt" ascii wide $s2 = "CVE-2026-23918" ascii wide $s3 = "Microsoft" ascii wide $s4 = "Malware" ascii wide $h1 = { 48 54 54 50 2F 32 00 00 00 } // HTTP/2 binary framing artifact condition: any of ($s*) or $h1 }

index=security sourcetype="pan:traffic" OR sourcetype="apache:access" (cve="CVE-2026-23918" OR signature="*Karakurt*" OR user_agent="*Malware*") | eval risk_score=case( signature="*Karakurt*" AND action="allowed", 100, cve="CVE-2026-23918", 80, 1==1, 25) | where risk_score >= 80 | table _time, src_ip, dest_ip, http_method, uri_path, user_agent, risk_score | sort -_time

$computers = "localhost", "WEBSERVER01", "WEBSERVER02" foreach ($computer in $computers) { if (Test-Connection -ComputerName $computer -Count 1 -Quiet) { Write-Host "Checking Apache version on $computer..." # Query installed Apache service details to identify vulnerable versions Invoke-Command -ComputerName $computer -ScriptBlock { $apacheService = Get-WmiObject Win32_Service | Where-Object {$_.Name -match "Apache"} if ($apacheService) { $exePath = $apacheService.PathName -replace '"', '' $versionInfo = (Get-Item $exePath).VersionInfo.FileVersion Write-Output "Found Apache Version: $versionInfo" if ($versionInfo -match "2.4.59") { # Example vulnerable version check Write-Warning "Potentially vulnerable to CVE-2026-23918!" } } else { Write-Output "Apache service not found." } } } }