A week in security (May 31 – June 6)

Last week on Malwarebytes Labs, we looked at an interesting trend in facial recognition technology—hint: its a slow fade, the latest ransomware attacks on JBS and Steamship Authority, Cobalt Strike, a Coronavirus phishing campaign, WhatsApp’s decision to not limit app functionalities for...

Revisiting the NSIS-based crypter

This blog post was authored by hasherezade NSIS Nullsoft Scriptable Install System is a framework dedicated to creating software installers. It allows to bundle various elements of an application together i.e. the main executable, used DLLs, configs, along with a script that controls where are th...

RATicate Group Hits Industrial Firms With Revolving Payloads

Researchers have unearthed a new cybercrime group, RATicate, which is behind several waves of malspam attacks targeting industrial companies with various information-stealing payloads – from LokiBot to Agent Tesla. At least six separate campaigns have been tied to RATicate, with the first wave...

Loncom packer: from backdoors to Cobalt Strike

The previous story described an unusual way of distributing malware under disguise of an update for an expired security certificate. After the story went out, we conducted a detailed analysis of the samples we had obtained, with some interesting findings. All of the malware we examined from the...

Holy water: ongoing targeted water-holing attack in Asia

On December 4, 2019, we discovered watering hole websites that were compromised to selectively trigger a drive-by download attack with fake Adobe Flash update warnings. This campaign has been active since at least May 2019, and targets an Asian religious and ethnic group. The threat actor's...

Norman Cryptominer Employs Sophisticated Obfuscation Tactics

A never-before-seen cryptomining variant, dubbed “Norman” after one of its executable files, has been spotted in the wild using various techniques to hide and avoid discovery. The levels of obfuscation are notable for their sheer depth, according to an analysis. Varonis uncovered an initial sampl...

Debian: Security Advisory (DLA-1602-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2018 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...

Debian DLA-1602-1 : nsis security update

Among others, Andre Heinicke from gpg4win.org found several issues of nsis, a tool for creating quick and user friendly installers for Microsoft Windows operating systems. The issues are fixed by ... ... using SetDefaultDllDirectories to restrict implicitly loaded and dynamically loaded modules t...

[SECURITY] [DLA 1602-1] nsis security update

Package : nsis Version : 2.46-10+deb8u1 CVE ID : CVE-2015-9267 CVE-2015-9268 Among others, Andre Heinicke from gpg4win.org found several issues of nsis, a tool for creating quick and user friendly installers for Microsoft Windows operating systems. The issues are fixed by ... ... using...

DLA-1602-1 nsis - security update

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CVE-2015-9267

Nullsoft Scriptable Install System NSIS before 2.49 uses temporary folder locations that allow unprivileged local users to overwrite files. This allows a local attack in which either a plugin or the uninstaller can be replaced by a Trojan horse program...

CVE-2015-9268

Nullsoft Scriptable Install System NSIS before 2.49 has unsafe implicit linking against Version.dll. In other words, there is no protection mechanism in which a wrapper function resolves the dependency at an appropriate time during runtime...

CVE-2015-9267

Nullsoft Scriptable Install System NSIS before 2.49 uses temporary folder locations that allow unprivileged local users to overwrite files. This allows a local attack in which either a plugin or the uninstaller can be replaced by a Trojan horse program...

CVE-2015-9268

Nullsoft Scriptable Install System NSIS before 2.49 has unsafe implicit linking against Version.dll. In other words, there is no protection mechanism in which a wrapper function resolves the dependency at an appropriate time during runtime...

Code injection

Nullsoft Scriptable Install System NSIS before 2.49 uses temporary folder locations that allow unprivileged local users to overwrite files. This allows a local attack in which either a plugin or the uninstaller can be replaced by a Trojan horse program...

Design/Logic Flaw

Nullsoft Scriptable Install System NSIS before 2.49 has unsafe implicit linking against Version.dll. In other words, there is no protection mechanism in which a wrapper function resolves the dependency at an appropriate time during runtime...

CVE-2015-9268

Nullsoft Scriptable Install System NSIS before 2.49 has unsafe implicit linking against Version.dll. In other words, there is no protection mechanism in which a wrapper function resolves the dependency at an appropriate time during runtime...

CVE-2015-9268

CVE-2015-9268 affects Nullsoft Scriptable Install System (NSIS) prior to 2.49, which has unsafe implicit linking against Version.dll. The description in the CVE notes that there is no protection mechanism to resolve the dependency at runtime, indicating a potential for misuse during installation ...

CVE-2015-9268

Nullsoft Scriptable Install System NSIS before 2.49 has unsafe implicit linking against Version.dll. In other words, there is no protection mechanism in which a wrapper function resolves the dependency at an appropriate time during runtime...

CVE-2015-9268

Nullsoft Scriptable Install System NSIS before 2.49 has unsafe implicit linking against Version.dll. In other words, there is no protection mechanism in which a wrapper function resolves the dependency at an appropriate time during runtime...