Třída: Backdoor
Zadní stěny jsou navrženy tak, aby poskytovaly škodlivým uživatelům vzdálený přístup k infikovanému počítači. Pokud jde o funkčnost, Backdoors jsou podobné mnoha administrativním systémům navrženým a distribuovaným vývojáři softwaru.Tyto typy škodlivých programů umožňují dělat cokoliv, co autor chce na napadeném počítači: odesílat a přijímat soubory, spouštět soubory nebo je smazat, zobrazovat zprávy, mazat data, restartovat počítač atd.
Programy v této kategorii se často používají k sjednocení skupiny obětí počítačů a vytvoření sítě botnet nebo zombie. To dává zlomyslným uživatelům centralizovanou kontrolu nad armádou infikovaných počítačů, které pak mohou být použity pro kriminální účely.
Existuje také skupina Backdoors, která je schopna šíření prostřednictvím sítí a infikování jiných počítačů jako Net-Worms. Rozdíl je v tom, že takové Backdoors se nerozšířují automaticky (jak to dělá Net-Worms), ale pouze na speciální "příkaz" od škodlivého uživatele, který je ovládá.
Platfoma: MSIL
Společný středně pokročilý jazyk (dříve známý jako Microsoft Intermediate Language nebo MSIL) je pokročilý jazyk vyvinutý společností Microsoft pro rozhraní .NET Framework. Kód CIL je generován všemi kompilátory Microsoft .NET v aplikaci Microsoft Visual Studio (Visual Basic .NET, Visual C ++, Visual C # a další).Family: Backdoor.MSIL.AsyncRat
No family descriptionExamples
422D517FCB929EC9B5474BDEF4BDAA9ETactics and Techniques: Mitre*
TA0005
Defense Evasion
The adversary is trying to avoid being detected. Defense Evasion consists of techniques that adversaries use to avoid detection throughout their compromise. Techniques used for defense evasion include uninstalling/disabling security software or obfuscating/encrypting data and scripts. Adversaries also leverage and abuse trusted processes to hide and masquerade their malware. Other tactics' techniques are cross-listed here when those techniques include the added benefit of subverting defenses.
T1497.001
System Checks
Adversaries may employ various system checks to detect and avoid virtualization and analysis environments. This may include changing behaviors based on the results of checks for the presence of artifacts indicative of a virtual machine environment (VME) or sandbox. If the adversary detects a VME, they may alter their malware to disengage from the victim or conceal the core functions of the implant. They may also search for VME artifacts before dropping secondary or additional payloads. Adversaries may use the information learned from Virtualization/Sandbox Evasion during automated discovery to shape follow-on behaviors.
T1562.001
Disable or Modify Tools
Adversaries may modify and/or disable security tools to avoid possible detection of their malware/tools and activities. This may take many forms, such as killing security software processes or services, modifying / deleting Registry keys or configuration files so that tools do not operate properly, or other methods to interfere with security tools scanning or reporting information. Adversaries may also disable updates to prevent the latest security patches from reaching tools on victim systems.
T1622
Debugger Evasion
Adversaries may employ various means to detect and avoid debuggers. Debuggers are typically used by defenders to trace and/or analyze the execution of potential malware payloads.
TA0007
Discovery
The adversary is trying to figure out your environment. Discovery consists of techniques an adversary may use to gain knowledge about the system and internal network. These techniques help adversaries observe the environment and orient themselves before deciding how to act. They also allow adversaries to explore what they can control and what's around their entry point in order to discover how it could benefit their current objective. Native operating system tools are often used toward this post-compromise information-gathering objective.
T1012
Query Registry
Adversaries may interact with the Windows Registry to gather information about the system, configuration, and installed software.
T1082
System Information Discovery
An adversary may attempt to get detailed information about the operating system and hardware, including version, patches, hotfixes, service packs, and architecture. Adversaries may use the information from System Information Discovery during automated discovery to shape follow-on behaviors, including whether or not the adversary fully infects the target and/or attempts specific actions.
T1497.001
System Checks
Adversaries may employ various system checks to detect and avoid virtualization and analysis environments. This may include changing behaviors based on the results of checks for the presence of artifacts indicative of a virtual machine environment (VME) or sandbox. If the adversary detects a VME, they may alter their malware to disengage from the victim or conceal the core functions of the implant. They may also search for VME artifacts before dropping secondary or additional payloads. Adversaries may use the information learned from Virtualization/Sandbox Evasion during automated discovery to shape follow-on behaviors.
T1622
Debugger Evasion
Adversaries may employ various means to detect and avoid debuggers. Debuggers are typically used by defenders to trace and/or analyze the execution of potential malware payloads.
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