Signal Brief · Archived
Week of August 28, 2023
The Week's Public Record
Events
2023-08-31
research poc
CWHook Proof-of-Concept Bypasses Arxan Integrity Checks in Call of Duty: Cold WarCWHook
CWHook is a proof-of-concept tool that circumvents Arxan's integrity checks in Call of Duty: Cold War, enabling reverse engineering and debugging. It includes a plugin loader with hot-reload capabilities to streamline mod development. The project documents Arxan's behavior and provides code for checksum healing and inline hook stubs.
2023-08-30
vuln disclosure
CVE-2023-40596: Splunk Enterprise Privilege Escalation via Insecure OPENSSLDIR PathCVE-2023-40596
CVE-2023-40596 is a privilege escalation vulnerability in Splunk Enterprise on Windows. It arises from an insecure OPENSSLDIR build definition in the bundled OpenSSL library, allowing local attackers to plant malicious DLLs. Successful exploitation can lead to full system compromise.
2023-08-28
research poc
DebugAmsi: AMSI Bypass via Windows Process DebuggerDebugAmsi
A proof-of-concept tool named DebugAmsi demonstrates a method to bypass the Antimalware Scan Interface (AMSI) in Windows by using the debugger mechanism. It attaches as a debugger to a suspended PowerShell process, intercepts the loading of amsi.dll, and patches its AmsiOpenSession and AmsiScanBuffer functions to disable AMSI scanning. This technique allows execution of malicious scripts without AMSI detection.
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