Malicious Software
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A Story of an Embedded Linux Botnet
A Moose Once Bit My Honeypot A Story of an Embedded Linux Botnet by Olivier Bilodeau (@obilodeau) $ apropos Embedded Linux Malware Moose DNA (description) Moose Herding (the Operation) What’s New? Take Aways $ whoami Malware Researcher at ESET Infosec lecturer at ETS University in Montreal Previously infosec developer, network admin, linux system admin Co-founder Montrehack (hands-on security workshops) Founder NorthSec Hacker Jeopardy Embedded Linux Malware What marketing likes to call "Internet of Things Malware" Malware Running On An Embedded Linux System Like consumer routers DVR Smart TVs IP Camera monitoring systems … Caracteristics of Embedded Linux Systems Small amount of memory Small amount of flash Non x86 architectures: ARM, MIPS Wide-variety of libc implementations / versions Same ABI-compatible Linux kernel (2.4 < x < 4.3) Support ELF binaries Rarely an integrated UI Networked Why Threats On These Systems Matters? Hard to detect Hard to remediate Hard to fix Low hanging fruit for bad guys It’s Real Several cases disclosed in the last two years A lot of same-old background noise (DDoSer) Things are only getting worse Wait, is IoT malware really about things? NNoo.. NNoott yyeett.. So what kind of malware can we find on such insecure devices? Linux/Aidra Linux/Bassobo ChinaZ family (XOR.DDoS, …) Linux/Dofloo Linux/DNSAmp (Mr Black, BillGates) Linux/Gafgyt (LizardStresser) Linux/Hydra Linux/Tsunami … LLeessssoonn LLeeaarrnneedd ##00 Statically-linked stripped binaries Static/stripped ELF primer No imports (library calls) present -
Trojan Vs Rat Vs Rootkit Mayuri More1, Rajeshwari Gundla2, Siddharth Nanda3 1U.G
IJRECE VOL. 7 ISSUE 2 (APRIL- JUNE 2019) ISSN: 2393-9028 (PRINT) | ISSN: 2348-2281 (ONLINE) Trojan Vs Rat Vs Rootkit Mayuri More1, Rajeshwari Gundla2, Siddharth Nanda3 1U.G. Student, 2 Senior Faculty, 3Senior Faculty SOE, ADYPU, Lohegaon, Pune, Maharashtra, India1 IT, iNurture, Bengaluru, India2,3 Abstract - Malicious Software is Malware is a dangerous of RATs completely and prevent confidential data being software which harms computer systems. With the increase leaked. So Dan Jiang and Kazumasa Omote researchers in technology in today’s days, malwares are also increasing. have proposed an approach to detect RAT in the early stage This paper is based on Malware. We have discussed [10]. TROJAN, RAT, ROOTKIT in detail. Further, we have discussed the adverse effects of malware on the system as III. CLASSIFICATION well as society. Then we have listed some trusted tools to Rootkit vs Trojan vs Rat detect and remove malware. Rootkit - A rootkit is a malicious software that permits a legitimate user to have confidential access to a system and Keywords - Malware, Trojan, RAT, Rootkit, System, privileged areas of its software. A rootkit possibly contains Computer, Anti-malware a large number of malicious means for example banking credential stealers, keyloggers, antivirus disablers, password I. INTRODUCTION stealers and bots for DDoS attacks. This software stays Nowadays, this world is full of technology, but with the hidden in the computer and allocates the remote access of advantages of technology comes its disadvantages like the computer to the attacker[2]. hacking, corrupting the systems, stealing of data etc. These Types of Rootkit: malpractices are possible because of malware and viruses 1. -
Adware-Searchsuite
McAfee Labs Threat Advisory Adware-SearchSuite June 22, 2018 McAfee Labs periodically publishes Threat Advisories to provide customers with a detailed analysis of prevalent malware. This Threat Advisory contains behavioral information, characteristics and symptoms that may be used to mitigate or discover this threat, and suggestions for mitigation in addition to the coverage provided by the DATs. To receive a notification when a Threat Advisory is published by McAfee Labs, select to receive “Malware and Threat Reports” at the following URL: https://www.mcafee.com/enterprise/en-us/sns/preferences/sns-form.html Summary Detailed information about the threat, its propagation, characteristics and mitigation are in the following sections: Infection and Propagation Vectors Mitigation Characteristics and Symptoms Restart Mechanism McAfee Foundstone Services The Threat Intelligence Library contains the date that the above signatures were most recently updated. Please review the above mentioned Threat Library for the most up to date coverage information. Infection and Propagation Vectors Adware-SearchSuite is a "potentially unwanted program" (PUP). PUPs are any piece of software that a reasonably security- or privacy-minded computer user may want to be informed of and, in some cases, remove. PUPs are often made by a legitimate corporate entity for some beneficial purpose, but they alter the security state of the computer on which they are installed, or the privacy posture of the user of the system, such that most users will want to be aware of them. Mitigation Mitigating the threat at multiple levels like file, registry and URL could be achieved at various layers of McAfee products. Browse the product guidelines available here (click Knowledge Center, and select Product Documentation from the Support Content list) to mitigate the threats based on the behavior described in the Characteristics and symptoms section. -
Advance Dynamic Malware Analysis Using Api Hooking
www.ijecs.in International Journal Of Engineering And Computer Science ISSN:2319-7242 Volume – 5 Issue -03 March, 2016 Page No. 16038-16040 Advance Dynamic Malware Analysis Using Api Hooking Ajay Kumar , Shubham Goyal Department of computer science Shivaji College, University of Delhi, Delhi, India [email protected] [email protected] Abstract— As in real world, in virtual world also there are type of Analysis is ineffective against many sophisticated people who want to take advantage of you by exploiting you software. Advanced static analysis consists of reverse- whether it would be your money, your status or your personal engineering the malware’s internals by loading the executable information etc. MALWARE helps these people into a disassembler and looking at the program instructions in accomplishing their goals. The security of modern computer order to discover what the program does. Advanced static systems depends on the ability by the users to keep software, analysis tells you exactly what the program does. OS and antivirus products up-to-date. To protect legitimate users from these threats, I made a tool B. Dynamic Malware Analysis (ADVANCE DYNAMIC MALWARE ANAYSIS USING API This is done by watching and monitoring the behavior of the HOOKING) that will inform you about every task that malware while running on the host. Virtual machines and software (malware) is doing over your machine at run-time Sandboxes are extensively used for this type of analysis. The Index Terms— API Hooking, Hooking, DLL injection, Detour malware is debugged while running using a debugger to watch the behavior of the malware step by step while its instructions are being processed by the processor and their live effects on I. -
Survivor: a Fine-Grained Intrusion Response and Recovery Approach for Commodity Operating Systems
Survivor: A Fine-Grained Intrusion Response and Recovery Approach for Commodity Operating Systems Ronny Chevalier David Plaquin HP Labs HP Labs CentraleSupélec, Inria, CNRS, IRISA [email protected] [email protected] Chris Dalton Guillaume Hiet HP Labs CentraleSupélec, Inria, CNRS, IRISA [email protected] [email protected] ABSTRACT 1 INTRODUCTION Despite the deployment of preventive security mechanisms to pro- Despite progress in preventive security mechanisms such as cryp- tect the assets and computing platforms of users, intrusions even- tography, secure coding practices, or network security, given time, tually occur. We propose a novel intrusion survivability approach an intrusion will eventually occur. Such a case may happen due to to withstand ongoing intrusions. Our approach relies on an orches- technical reasons (e.g., a misconfiguration, a system not updated, tration of fine-grained recovery and per-service responses (e.g., or an unknown vulnerability) and economic reasons [39] (e.g., do privileges removal). Such an approach may put the system into a the benefits of an intrusion for criminals outweigh their costs?). degraded mode. This degraded mode prevents attackers to reinfect To limit the damage done by security incidents, intrusion re- the system or to achieve their goals if they managed to reinfect covery systems help administrators restore a compromised system it. It maintains the availability of core functions while waiting for into a sane state. Common limitations are that they do not preserve patches to be deployed. We devised a cost-sensitive response se- availability [23, 27, 34] (e.g., they force a system shutdown) or that lection process to ensure that while the service is in a degraded they neither stop intrusions from reoccurring nor withstand re- mode, its core functions are still operating. -
Malware Analysis and Antivirus Technologies: Kernel Malware & A
Malware Analysis and Antivirus Technologies: Kernel Malware & A Look at Malware Today Protecting the irreplaceable | f-secure.com Copyright F-Secure 2010. All rights reserved. 2 06 April, 2011 © F-Secure Confidential Brain • Brain is the first known PC virus • Discovered in 1986 • Boot sector virus • First versions only infected 360k floppies • Stealth features • Hides infected boot sector by hooking sector read interrupt • Marks sectors in FAT bad • … but after all hiding efforts, some variants change floppy label to “© Brain” 3 06 April, 2011 © F-Secure Brain: Boot Sector Before Infection 4 06 April, 2011 © F-Secure Brain: Infected Boot Sector 5 06 April, 2011 © F-Secure Demo: Brain PUBLIC 7 06 April, 2011 © F-Secure Confidential 8 06 April, 2011 © F-Secure Confidential 9 06 April, 2011 © F-Secure Confidential Definition “Kernel malware is malicious software that runs fully or partially at the most privileged execution level, ring 0, having full access to memory, all CPU instructions, and all hardware.” • Can be divided into two subcategories • Full-Kernel malware • Semi-Kernel malware Copyright F-Secure 2010. All rights reserved. History • Kernel malware is not new – it has just been rare • WinNT/Infis • Discovered in November 1999 • Full-Kernel malware • Payload – PE EXE file infector • Virus.Win32.Chatter • Discovered in January 2003 • Semi-Kernel malware • Payload – PE SYS file infector • Mostly proof of concepts Copyright F-Secure 2010. All rights reserved. Increase of Kernel-Mode Malware Unique malicious drivers 37000 32000 15500 -
Userland Hooking in Windows
Your texte here …. Userland Hooking in Windows 03 August 2011 Brian MARIANI SeniorORIGINAL Security SWISS ETHICAL Consultant HACKING ©2011 High-Tech Bridge SA – www.htbridge.ch SOME IMPORTANT POINTS Your texte here …. This document is the first of a series of five articles relating to the art of hooking. As a test environment we will use an english Windows Seven SP1 operating system distribution. ORIGINAL SWISS ETHICAL HACKING ©2011 High-Tech Bridge SA – www.htbridge.ch WHAT IS HOOKING? Your texte here …. In the sphere of computer security, the term hooking enclose a range of different techniques. These methods are used to alter the behavior of an operating system by intercepting function calls, messages or events passed between software components. A piece of code that handles intercepted function calls, is called a hook. ORIGINAL SWISS ETHICAL HACKING ©2011 High-Tech Bridge SA – www.htbridge.ch THE WHITE SIDE OF HOOKING TECHNIQUES? YourThe texte control here …. of an Application programming interface (API) call is very useful and enables programmers to track invisible actions that occur during the applications calls. It contributes to comprehensive validation of parameters. Reports issues that frequently remain unnoticed. API hooking has merited a reputation for being one of the most widespread debugging techniques. Hooking is also quite advantageous technique for interpreting poorly documented APIs. ORIGINAL SWISS ETHICAL HACKING ©2011 High-Tech Bridge SA – www.htbridge.ch THE BLACK SIDE OF HOOKING TECHNIQUES? YourHooking texte here can …. alter the normal code execution of Windows APIs by injecting hooks. This technique is often used to change the behavior of well known Windows APIs. -
Bibliography
Bibliography [1] M Aamir Ali, B Arief, M Emms, A van Moorsel, “Does the Online Card Payment Landscape Unwittingly Facilitate Fraud?” IEEE Security & Pri- vacy Magazine (2017) [2] M Abadi, RM Needham, “Prudent Engineering Practice for Cryptographic Protocols”, IEEE Transactions on Software Engineering v 22 no 1 (Jan 96) pp 6–15; also as DEC SRC Research Report no 125 (June 1 1994) [3] A Abbasi, HC Chen, “Visualizing Authorship for Identification”, in ISI 2006, LNCS 3975 pp 60–71 [4] H Abelson, RJ Anderson, SM Bellovin, J Benaloh, M Blaze, W Diffie, J Gilmore, PG Neumann, RL Rivest, JI Schiller, B Schneier, “The Risks of Key Recovery, Key Escrow, and Trusted Third-Party Encryption”, in World Wide Web Journal v 2 no 3 (Summer 1997) pp 241–257 [5] H Abelson, RJ Anderson, SM Bellovin, J Benaloh, M Blaze, W Diffie, J Gilmore, M Green, PG Neumann, RL Rivest, JI Schiller, B Schneier, M Specter, D Weizmann, “Keys Under Doormats: Mandating insecurity by requiring government access to all data and communications”, MIT CSAIL Tech Report 2015-026 (July 6, 2015); abridged version in Communications of the ACM v 58 no 10 (Oct 2015) [6] M Abrahms, “What Terrorists Really Want”,International Security v 32 no 4 (2008) pp 78–105 [7] M Abrahms, J Weiss, “Malicious Control System Cyber Security Attack Case Study – Maroochy Water Services, Australia”, ACSAC 2008 [8] A Abulafia, S Brown, S Abramovich-Bar, “A Fraudulent Case Involving Novel Ink Eradication Methods”, in Journal of Forensic Sciences v41(1996) pp 300-302 [9] DG Abraham, GM Dolan, GP Double, JV Stevens, -
BSD UNIX Toolbox 1000+ Commands for Freebsd, Openbsd
76034ffirs.qxd:Toolbox 4/2/08 12:50 PM Page iii BSD UNIX® TOOLBOX 1000+ Commands for FreeBSD®, OpenBSD, and NetBSD®Power Users Christopher Negus François Caen 76034ffirs.qxd:Toolbox 4/2/08 12:50 PM Page ii 76034ffirs.qxd:Toolbox 4/2/08 12:50 PM Page i BSD UNIX® TOOLBOX 76034ffirs.qxd:Toolbox 4/2/08 12:50 PM Page ii 76034ffirs.qxd:Toolbox 4/2/08 12:50 PM Page iii BSD UNIX® TOOLBOX 1000+ Commands for FreeBSD®, OpenBSD, and NetBSD®Power Users Christopher Negus François Caen 76034ffirs.qxd:Toolbox 4/2/08 12:50 PM Page iv BSD UNIX® Toolbox: 1000+ Commands for FreeBSD®, OpenBSD, and NetBSD® Power Users Published by Wiley Publishing, Inc. 10475 Crosspoint Boulevard Indianapolis, IN 46256 www.wiley.com Copyright © 2008 by Wiley Publishing, Inc., Indianapolis, Indiana Published simultaneously in Canada ISBN: 978-0-470-37603-4 Manufactured in the United States of America 10 9 8 7 6 5 4 3 2 1 Library of Congress Cataloging-in-Publication Data is available from the publisher. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, scanning or otherwise, except as permitted under Sections 107 or 108 of the 1976 United States Copyright Act, without either the prior written permission of the Publisher, or authorization through payment of the appropriate per-copy fee to the Copyright Clearance Center, 222 Rosewood Drive, Danvers, MA 01923, (978) 750-8400, fax (978) 646-8600. Requests to the Publisher for permis- sion should be addressed to the Legal Department, Wiley Publishing, Inc., 10475 Crosspoint Blvd., Indianapolis, IN 46256, (317) 572-3447, fax (317) 572-4355, or online at http://www.wiley.com/go/permissions. -
Bots and Botnets: Risks, Issues and Prevention
EMEA MSSD The Journey, So Far: Trends, Graphs and Statistics Martin Overton, IBM UK 20th September 2007 | Author: Martin Overton © 2007 IBM Corporation EMEA MSSD Agenda . The ‘First’ IBM PC Virus . Statistics, 80’s . Statistics, 90’s . Statistics, 00’s . Malware Myth-busting . Putting it all Together . Conclusions . Questions The Journey, So Far: Trends, Graphs and Statistics | Martin Overton © 2007 IBM Corporation EMEA MSSD Disclaimer . Products or services mentioned in this presentation are included for information only. Products and/or services listed, mentioned or referenced in any way do not constitute any form of recommendation or endorsement by IBM or the presenter. All trademarks and copyrights are acknowledged. The Journey, So Far: Trends, Graphs and Statistics | Martin Overton © 2007 IBM Corporation EMEA MSSD Brain . The very first malware written for the IBM PC [and clones] used ‘stealth’ to hide its presence[1]: . Here is a short extract from the description of Brain from F-Secure explaining how the stealth function it used works: . “The Brain virus tries to hide from detection by hooking into INT 13. When an attempt is made to read an infected boot sector, Brain will just show you the original boot sector instead. This means that if you look at the boot sector using DEBUG or any similar program, everything will look normal, if the virus is active in memory. This means the virus is the first "stealth" virus as well.” [1] Source : http://www.research.ibm.com/antivirus/timeline.htm [2] More data can be found here : http://www.f-secure.com/v-descs/brain.shtml -
An Introduction to Malware
Downloaded from orbit.dtu.dk on: Sep 24, 2021 An Introduction to Malware Sharp, Robin Publication date: 2017 Document Version Publisher's PDF, also known as Version of record Link back to DTU Orbit Citation (APA): Sharp, R. (2017). An Introduction to Malware. General rights Copyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights. Users may download and print one copy of any publication from the public portal for the purpose of private study or research. You may not further distribute the material or use it for any profit-making activity or commercial gain You may freely distribute the URL identifying the publication in the public portal If you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediately and investigate your claim. An Introduction to Malware Robin Sharp DTU Compute Spring 2017 Abstract These notes, written for use in DTU course 02233 on Network Security, give a short introduction to the topic of malware. The most important types of malware are described, together with their basic principles of operation and dissemination, and defenses against malware are discussed. Contents 1 Some Definitions............................2 2 Classification of Malware........................2 3 Vira..................................3 4 Worms................................ -
Sureview® Memory Integrity Advanced Linux Memory Analysis Delivers Unparalleled Visibility and Verification
SureView® Memory Integrity Advanced Linux Memory Analysis Delivers Unparalleled Visibility and Verification Promoting trustworthy and repeatable analysis of volatile system state Benefits Increased Usage of Linux in Forensics Field Guide for Linux Global Enterprises Systems2,” the apparent goal n Enables visibility into the state n Scans thousands of The use of Linux is everywhere of these attackers is to steal all systems with hundreds of of systems software while in the world. Linux is used in types of information. Perhaps of gigabytes of memory executing in memory our stock exchange transactions, greatest concern are the synchro- on Linux systems n Provides a configurable social media, network storage nized, targeted attacks against n Delivers malware detection using scanning engine for automated devices, smartphones, DVR’s, Linux systems. For several years, scans of remote systems an integrity verification approach online purchasing web sites, organized groups of attackers to verify that all systems software throughout an enterprise running is known and unmodified and in the majority of global (a.k.a. threat actors) have been n Incorporates an easy-to- Internet traffic. The Linux infiltrating Linux systems and to quickly identify threats use GUI to quickly assess Foundation’s 2013 Enterprise have been communicating with n Allows the integration and interpret results End User Report indicates that command and control (C2) of memory forensics into n Delivers output in a structured 80% of respondents planned servers and exfiltrating data enterprise security information data format (JSON) to to increase their numbers of from compromised Linux sys- and event management facilitate analytics systems (SIEMS) supporting Linux servers over the next five tems.