CVE-2016-0099 | Windows - Secondary Logon Service Operational Intel

Executive Risk Summary

"The Secondary Logon Service in Windows is vulnerable to an elevation of privilege vulnerability, allowing local users to gain privileges via a crafted application. This vulnerability can be exploited to gain elevated access to the system, potentially leading to unauthorized data access or system compromise."

Anticipated Attack Path

1. Initial Exploitation: Attacker gains local access to the system
2. Privilege Escalation: Attacker exploits the Secondary Logon Service vulnerability to gain elevated privileges
3. Post-Exploitation: Attacker uses elevated privileges to access sensitive data or install malware

Am I Vulnerable?

Verify the presence of the Secondary Logon Service on the system
Check for any suspicious or unauthorized applications running on the system
Monitor system logs for signs of exploitation or privilege escalation attempts

Operational Audit Arsenal

Target Type Windows Service

Target Asset seclogon.dll

Standard Path C:\Windows\System32\seclogon.dll

PowerShell

# 🛠️ Senior Engineer Universal Audit
# Target: seclogon.dll (Windows Service)
$Targets = 'seclogon.dll'
$SearchPaths = @("$env:windir\System32", "$env:ProgramFiles", "${env:ProgramFiles(x86)}")

Get-ChildItem -Path $SearchPaths -Include $Targets -Recurse -ErrorAction SilentlyContinue | 
Select-Object FullName, @{Name="Version";Expression={$_.VersionInfo.ProductVersion}}