LOLSpoof - An Interactive Shell To Spoof Some LOLBins Command Line

LOLSpoof is a an interactive shell program that automatically spoof the command line arguments of the spawned process. Just call your incriminate-looking command line LOLBin e.g. powershell -w hidden -enc ZwBlAHQALQBwAHIAbwBjAGUA.... and LOLSpoof will ensure that the process creation telemetry...

Exploit for CVE-2024-24576

Exploring Command Injection Vulnerabilities in Windows with Ni...

openSUSE: Security Advisory for nim (openSUSE-SU-2022:10101-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Coyote: A Sophisticated Banking Trojan Targeting Financial Information

Summary: A new banking trojan called Coyote is currently targeting more than 60 banking institutions, primarily in Brazil. The malware distributes itself using the Squirrel installer and executes its infection process using Node.js and Nim, a relatively new multi-platform programming language...

New Coyote Trojan Targets 61 Brazilian Banks with Nim-Powered Attack

Sixty-one banking institutions, all of them originating from Brazil, are the target of a new banking trojan called Coyote. "This malware utilizes the Squirrel installer for distribution, leveraging Node.js and a relatively new multi-platform programming language called Nim as a loader to complete...

Coyote: A multi-stage banking Trojan abusing the Squirrel installer

The developers of banking Trojan malware are constantly looking for inventive ways to distribute theirs implants and infect victims. In a recent investigation, we encountered a new malware that specifically targets users of more than 60 banking institutions, mainly from Brazil. What caught our...

HTTPbeast Security Vulnerability

HTTPbeast is a high-performance, multi-threaded HTTP 1.1 server written in Nim by Dominik Picheta, a personal developer in the UK. A security vulnerability exists in HTTPbeast v.0.4.1 and earlier versions that could allow a remote attacker to execute arbitrary code via the parser.nim component...

Nim Backdoor Masquerades as Nepal Government Security

Summary: Attackers employed malicious Microsoft Word documents disguised as official communications from the Nepali government. These documents aimed to trick victims into downloading and executing a backdoor program written in the Nim programming language. As Nim is an uncommon language, it pose...

Decoy Microsoft Word Documents Used to Deliver Nim-Based Malware

A new phishing campaign is leveraging decoy Microsoft Word documents as bait to deliver a backdoor written in the Nim programming language. "Malware written in uncommon programming languages puts the security community at a disadvantage as researchers and reverse engineers' unfamiliarity can hamp...

Nim-Shell - Reverse Shell That Can Bypass Windows Defender Detection

Reverse shell that can bypass windows defender detection $ apt install nim Compilation nim c -d:mingw --app:gui nimshell.nim Change the IP address and port number you want to listen to in the nimshell.nim file according to your device. and listen $ nc -nvlp 4444 Download Nim-Shell...

SideWinder’s Nim Backdoor Spells Trouble for South Asian Nations

Summary: SideWinder, also known as Razor Tiger, commenced its offensive operations in 2012 and has recently shifted its focus to targeting Bhutan. It employs deceptive content, ultimately executing the Nim Backdoor. The decoy content utilized in the sample is directly sourced from announcements...

Generating FLIRT signatures for Nim and other non-C programming languages

Adversaries are increasingly writing malware in programming languages such as Go, Rust, or Nim, because they present challenges to investigators using reverse-engineering tools designed to work best against the C family of languages. Its often difficult for reverse engineers examining non-C...

Nimbo-C2 - Yet Another (Simple And Lightweight) C2 Framework

About Nimbo-C2 is yet another simple and lightweight C2 framework. Nimbo-C2 agent supports x64 Windows & Linux. It's written in Nim, with some usage of .NET on Windows by dynamically loading the CLR to the process. Nim is powerful, but interacting with Windows is much easier and robust using...

New Dark Power Nim-based Ransomware Targeted Attacks Globally

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary New Dark Power ransomware gang uses Nim programming language to create malware that encrypts specific services and processes, excludes crucial system files, clears logs, and generates a ransom note in...

NimPlant - A Light-Weight First-Stage C2 Implant Written In Nim

ByCas van Cooten @chvancooten, with special thanks to some awesome folks: Fabian Mosch @S3cur3Th1sSh1t for sharing dynamic invocation implementation in Nim and the Ekko sleep mask function snovvcrash @snovvcrash for adding the initial version of execute-assembly & self-deleting implant option...

SUSE CVE-2020-15694

In Nim 1.2.4, the standard library httpClient fails to properly validate the server response. For example, httpClient.get.contentLength does not raise any error if a malicious server provides a negative Content-Length...

SUSE CVE-2020-15690

In Nim before 1.2.6, the standard library asyncftpclient lacks a check for whether a message contains a newline character...

SUSE CVE-2020-15692

In Nim 1.2.4, the standard library browsers mishandles the URL argument to browsers.openDefaultBrowser. This argument can be a local file path that will be opened in the default explorer. An attacker can pass one argument to the underlying open command to execute arbitrary registered system...

SUSE CVE-2020-15693

In Nim 1.2.4, the standard library httpClient is vulnerable to a CR-LF injection in the target URL. An injection is possible if the attacker controls any part of the URL provided in a call such as httpClient.get or httpClient.post, the User-Agent header value, or custom HTTP header names or value...

SUSE CVE-2020-23171

A vulnerability in all versions of Nim-lang allows unauthenticated attackers to write files to arbitrary directories via a crafted zip file with dot-slash characters included in the name of the crafted file...