1118 matches found
Remote Symbol Resolution
Introduction The following blog discusses a couple of common techniques that malware uses to obscure its access to the Windows API. In both forms examined, analysts must calculate the API start address and resolve the symbol from the runtime process in order to determine functionality. After...
CVE-2013-2551-sample analysis and exploits and Defense-vulnerability warning-the black bar safety net
0x0 is written on the front VUPEN team in the Pwn2Own 2013 hacking contest using the vulnerability to compromise Windows 8 environment, IE10, then on their blog discloses technical details. According to VUPEN description of the vulnerability produced in the VGX. DLL module, in the VML language...
Axessh 4.2 - Denial Of Service
Axessh是一款windows下的ssh工具，使用后会开启ssh 22端口，并开启wsshed.exe服务，当wsshed.exe在接收字符串时，会调用BIGNUM相关函数进行处理，但对于BIGNUM的结构体没有进行赋初值，导致空指针引用引发拒绝服务漏洞，下面对此漏洞进行详细分析。 这里要提的一点是，Exploit-db给的PoC可以触发漏洞，但实际上，只要连接22端口，都会引发这个漏洞的发生，哪怕只发送一字节的内容。 附加wsshed.exe，执行PoC，引发中断，这边捕获到漏洞触发位置。 0:000 g f74.a68: Access violation - code c00000...
From MS16-098 see a Windows 8.1 kernel exploit-vulnerability warning-the black bar safety net
When I first started contact core vulnerability when I don't have any about the kernel of the experience, not to mention to take advantage of a kernel vulnerability, but I'm always for reverse engineering and exploit techniques are very interested. Initially, my idea was simple: find one not...
GitHub Enterprise SQL injection vulnerability
作者：Orange 前言 GitHub Enterprise 是一款 GitHub.com 所出品，可將整個 GitHub 服務架設在自身企業內網中的應用軟體。 有興趣的話你可以從 enterprise.github.com 下載到多種格式的映像檔並從網頁上取得 45 天的試用授權! 安裝完成後，你應該會看到如下的畫面: 好!現在我們有整個 GitHub 的環境了，而且是在 VM 裡面，這代表幾乎有完整的控制權可以對他做更進一步的研究，分析環境、程式碼以及架構等等... 環境 身為一個駭客，再進行入侵前的第一件事當然是 Port Scanning! 透過 Nmap 掃描後發現 VM 上一...
Open Source Malware Clusterization Toolkit: Cosa Nostra
Open Source Malware Clusterization Toolkit Cosa Nostra is an open source software clustering toolkit with a focus on malware analysis. It can create phylogenetic trees of binary malware samples that are structurally similar. It was initially released during SyScan360 Shanghai 2016. Required 3rd...
From the patch compare to the PoC to reproduce it MS16-0 3 0-vulnerability warning-the black bar safety net
MS16-0 3 0 vulnerability MS16-0 3 0 vulnerabilities Windows OLE remote code execution vulnerability, since OLE does not have the correct validation of user input, causing by the special structure of the file or the program can trigger the vulnerability, causing the user to click on after the remo...
One Click Symbolic Execution: Ponce
Ponce pronounced ‘poN θe pon-they is an IDA Pro plugin that provides users the ability to perform taint analysis and symbolic execution over binaries in an easy and intuitive fashion. With Ponce you are one click away from getting all the power from cutting edge symbolic execution. Entirely writt...
Automatically Extracting Obfuscated Strings from Malware using the FireEye Labs Obfuscated String Solver (FLOSS)
Introduction and Motivation Have you ever run strings.exe on a malware executable and its output provided you with IP addresses, file names, registry keys, and other indicators of compromise IOCs? Great! No need to run further analysis or hire expensive experts to determine if a file is malicious...
Windows kernel Vulnerability CVE-2 0 1 6-0 1 4 3 analysis-vulnerability warning-the black bar safety net
4 on 2 0 March, Nils Sommer in the exploitdb on broke a new Windows kernel vulnerability PoC. The vulnerability affects all versions of Windows operating system, the attacker after the success of available privilege escalation, Microsoft in 4, on patch day fixes the vulnerability. 0×0 1...
Acunetix WVS 10 远程代码执行漏洞 (System)
漏洞复现及分析 AWVS是一款常用的网站漏洞扫描工具，在漏洞扫描器进行扫描时，如果通过服务器提供一段包含恶意代码的页面，首先存在问题的网页会通知AWVS存在一个XSS漏洞，之后AWVS会在扫描任务中输出这个XSS漏洞的告警，之后AWVS会调用view response功能验证这个漏洞，在调用这个的过程中本地会执行一次漏洞的html网页，在执行的过程中，恶意构造的网页会在本地创建一个vb脚本，该脚本会去访问并获取另一段vb script从而执行而恶意代码，下面对此漏洞进行详细分析。 在分析之前，我需要提一点，本来想对wvs.exe进行动态跟踪，没想到wvs对debug有着严格的审查。...
BinDiff Now Free, To Delight of Security Researchers
BinDiff is a constant presence inside a security researcher’s toolbox, ideal for patch and malware analysis or reverse engineering of code. The Google-owned software allows researchers to conduct side-by-side comparisons of binary files in disassembled code looking for differences in the samples...
Binary Analysis IDE: BinDiff
BinDiff is a comparison tool for binary files that helps to quickly find differences and similarities in disassembled code. It is used by security researchers and engineers across the globe to identify and isolate fixes for vulnerabilities in vendor-supplied patches and to analyze multiple versio...
ida-japan.co.jp Open Redirect vulnerability
Open Bug Bounty ID: OBB-127545 Description| Value ---|--- Affected Website:| ida-japan.co.jp Vulnerable Application:| Custom Code Vulnerability Type:| Open Redirect / CWE-601 CVSSv3 Score:| 3.4 CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:L/A:N Remediation Guide:| OWASP Open Redirect Cheat Sheet...
FLARE IDA Pro Script Series: Automating Function Argument Extraction
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muymacho---dyld_root_path exploit analysis-exploit warning-the black bar safety net
from: muymachois a vulnerability in the use of tools. Exists in Mac OS X 10.10.5dyldthe bug can be used to extract right to the root. In the latest chief stone of EI Capitan 10.11 in has been patched. This is an interesting bug, the use of the process is also a lot of fun. The present article aim...
Belkin F9K1111 firmware vulnerability analysis-vulnerability warning-the black bar safety net
Recently, we noticed that the HP DVLabs has been in the Belkin（Belkin） N300 Dual-Band WiFi range Extender（F9K1111 in at least 1 0 a vulnerability. In response, the Belkin just released the version number is 1. 0 4. 1 0 firmware. Because this is the F9K1111 the first update release, but there is n...
CVE-2014-9458
Heap-based buffer overflow in the GDB debugger module in Hex-Rays IDA Pro before 6.6 cumulative fix 2014-12-24 allows remote GDB servers to have unspecified impact via unknown vectors...
Heap overflow
Heap-based buffer overflow in the GDB debugger module in Hex-Rays IDA Pro before 6.6 cumulative fix 2014-12-24 allows remote GDB servers to have unspecified impact via unknown vectors...
