Executive Risk Summary
"A remote code execution vulnerability exists in the HTTP.sys component of Windows due to improper handling of crafted HTTP requests. This vulnerability can be exploited by an unauthenticated attacker to execute arbitrary code on the affected system."
Anticipated Attack Path
- 1. Initial Exploitation: Crafted HTTP request sent to vulnerable HTTP.sys component
- 2. Privilege Escalation: Arbitrary code execution with system-level privileges
- 3. Post-Exploitation: Potential for lateral movement and further system compromise
Am I Vulnerable?
- Verify the presence of the HTTP.sys component on Windows systems
- Check for the MS15-034 patch installation status
- Monitor for suspicious HTTP traffic and system-level code execution
Operational Audit Arsenal
Target Type Windows Service
Target Asset http.sys
Standard Path C:\Windows\system32\drivers\http.sys
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: http.sys (Windows Service)
$Targets = 'http.sys'
$SearchPaths = @("$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}}Patch Impact Forecast
Reboot Required Likely
Potential disruption to web services and applications utilizing HTTP.sys
Internal Work Notes
Urgent: Apply MS15-034 patch to prevent remote code execution vulnerability in Windows HTTP.sys component
Technical Intelligence & Operational Utilities • Delivered Weekly
Intelligence Sources
Official Advisoryhttp://packetstormsecurity.com/files/131463/Microsoft-Windows-HTTP.sys-Proof-Of-Concept.html
Official Advisoryhttp://www.osvdb.org/120629
Official Advisoryhttp://www.securityfocus.com/bid/74013
Official Advisoryhttp://www.securitytracker.com/id/1032109
MSRC Advisoryhttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-034
Official Advisoryhttps://www.exploit-db.com/exploits/36773/
Official Advisoryhttps://www.exploit-db.com/exploits/36776/
Official Advisoryhttp://packetstormsecurity.com/files/131463/Microsoft-Windows-HTTP.sys-Proof-Of-Concept.html
Official Advisoryhttp://www.osvdb.org/120629
Official Advisoryhttp://www.securityfocus.com/bid/74013
Official Advisoryhttp://www.securitytracker.com/id/1032109
MSRC Advisoryhttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-034
Official Advisoryhttps://www.exploit-db.com/exploits/36773/
Official Advisoryhttps://www.exploit-db.com/exploits/36776/
Official Advisoryhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-1635
Related Microsoft Threats
Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.