eEye Duster – Dead/Uninitialized Stack Eraser


Duster is the Dead/Uninitialized Stack Eraser, an injectable DLL that causes uninitialized stack and heap memory in its host process to be wiped over with a specific value. It is intended as a crude tool to assist in the run-time discovery of uninitialized memory usage problems by increasing the chances that the host process will raise an exception when a value in uninitialized memory is used. To use Duster, just inject it into the target process (using the DLLInject utility), or add it to AppInit_DLLs (possible but not recommended).

Duster is a quick and dirty implementation of its concept, and as such, it has a number of limitations:

Stack wiping is accomplished by overwriting all memory between the stack commit “ceiling” and ESP, whenever RtlAllocateHeap, RtlReAllocateHeap, or RtlFreeHeap is called, an exception occurs, or a system call is dispatched, which seriously limits the execution flow “granularity” with which stack wiping occurs. Additionally, system call dispatch hooking is accomplished by replacing specific “INT 2Eh” or “MOV EDX, 7FFE0300h” instructions, the first of which currently relies upon a two-byte privileged instruction which is handled specially by the exception handler hook, resulting in some overhead but mostly making it difficult to use a debugger in conjunction with Duster on Windows 2000.

Heap wiping, in addition to a limited amount of heap and argument validation, is performed whenever a heap block is allocated or freed. This is roughly a subset of the functionality provided by the Windows heap manager in debug mode, with the most significant deficiency on Duster’s part being that it does not wipe memory following a call to RtlReAllocateHeap.

You can download here:

Duster

Posted in: Hacking Tools, Security Software

, ,


Latest Posts:


zBang - Privileged Account Threat Detection Tool zBang – Privileged Account Threat Detection Tool
zBang is a risk assessment tool for Privileged Account Threat Detection on a scanned network, organizations & red teams can use it to identify attack vectors
Memhunter - Automated Memory Resident Malware Detection Memhunter – Automated Memory Resident Malware Detection
Memhunter is an Automated Memory Resident Malware Detection tool for the hunting of memory resident malware at scale, improving threat hunter analysis process.
Sandcastle - AWS S3 Bucket Enumeration Tool Sandcastle – AWS S3 Bucket Enumeration Tool
Sandcastle is an Amazon AWS S3 Bucket Enumeration Tool, formerly known as bucketCrawler. The script takes a target's name as the stem argument (e.g. shopify).
Astra - API Automated Security Testing For REST Astra – API Automated Security Testing For REST
Astra is a Python-based tool for API Automated Security Testing, REST API penetration testing is complex due to continuous changes in existing APIs.
Judas DNS - Nameserver DNS Poisoning Attack Tool Judas DNS – Nameserver DNS Poisoning Attack Tool
Judas DNS is a Nameserver DNS Poisoning Attack Tool which functions as a DNS proxy server built to be deployed in place of a taken over nameserver to perform targeted exploitation.
dsniff Download - Tools for Network Auditing & Password Sniffing dsniff Download – Tools for Network Auditing & Password Sniffing
Dsniff download is a collection of tools for network auditing & penetration testing. Dsniff, filesnarf, mailsnarf, msgsnarf, URLsnarf, and WebSpy passively monitor a network


Comments are closed.