|Platform||Windows Server 2003, Windows Server 2008, Windows Server 2012, Windows XP, Windows 7, Windows 8, Windows Server 2003 R2, Windows Server 2008 R2, Windows Server 2012 R2, Windows Vista, Windows 8.1, Linux, Windows 10, MacOS, OS X|
|System Requirements||Administrator, SYSTEM may provide better process ownership details|
|Permissions Required||User, Administrator, SYSTEM|
|Data Sources||Process command-line parameters, Process monitoring|
Adversaries may attempt to get information about running processes on a system. Information obtained could be used to gain an understanding of common software running on systems within the network.
An example command that would obtain details on processes is "tasklist" using the Tasklist utility.
Mac and Linux
In Mac and Linux, this is accomplished with the
- APT28 has used built-in tools like
ps auxon macOS to determine which processes are running 1.
- Deep Panda uses the Microsoft Tasklist utility to list processes running on systems.2
- Ke3chang performs process discovery using
- Several Lazarus Group malware families gather a list of running processes on a victim system and send it to their C2 server.4
- Molerats actors obtained a list of active processes on the victim and sent them to C2 servers.5
- After compromising a victim, Poseidon Group lists all running processes.6
- Stealth Falcon malware gathers a list of running processes.7
- Turla surveys a system upon check-in to discover running processes using the
- Winnti Group looked for a specific process running on infected servers.9
- 4H RAT has the capability to obtain a listing of running processes (including loaded modules).10
- ADVSTORESHELL can list running processes.11
- BACKSPACE may collect information about running processes.12
- BBSRAT can list running processes.13
- BLACKCOFFEE has the capability to discover processes.14
- Backdoor.Oldrea collects information about running processes.15
- BlackEnergy has gathered a process list by using Tasklist.exe.1617
- ChChes collects its process identifier (PID) on the victim.18
- ChChes collects the victim's running process IDs.19
- Cobalt Strike's "beacon" payload can collect information on process details.20
- Crimson contains a command to list processes.21
- Derusbi collects current and parent process IDs.22
- The discovery modules used with Duqu can collect information on process details.23
- DustySky collects information about running processes from victims.5
- ELMER is capable of performing process listings.24
- GeminiDuke collects information on running processes and environment variables from the victim.25
- HALFBAKED can obtain information about running processes on the victim.26
- JHUHUGIT obtains a list of running processes on the victim.27
- Kasidet has the ability to search for a given process name in processes currently running in the system.28
- The OsInfo function collects a running process list 29
- MobileOrder has a command to upload information about all running processes to its C2 server.30
- MoonWind has a command to return a list of running processes.31
- NETEAGLE can send process listings over the C2 channel.12
- PowerDuke has a command to list the victim's processes.32
- RTM can obtain information about process integrity levels.33
- Remsec can obtain a process list from the victim.34
- SHOTPUT has a command to obtain a process listing.35
- StreamEx has the ability to enumerate processes.36
- Sykipot may gather a list of running processes by running
- Tasklist can be used to discover processes running on a system.38
- Trojan.Karagany can use tasklist to collect a list of running tasks.15
- WinMM sets a WH_CBT Windows hook to collect information on process creation.39
- XAgentOSX contains the getProcessList function to run
ps auxto get running processes.1
- gh0st RAT is able to list processes.40
Identify unnecessary system utilities or potentially malicious software that may be used to acquire information about processes, and audit and/or block them by using whitelisting41 tools, like AppLocker,4243 or Software Restriction Policies44 where appropriate.45
System and network discovery techniques normally occur throughout an operation as an adversary learns the environment. Data and events should not be viewed in isolation, but as part of a chain of behavior that could lead to other activities, such as Lateral Movement, based on the information obtained.
Normal, benign system and network events that look like process discovery may be uncommon, depending on the environment and how they are used. Monitor processes and command-line arguments for actions that could be taken to gather system and network information. Remote access tools with built-in features may interact directly with the Windows API to gather information. Information may also be acquired through Windows system management tools such as Windows Management Instrumentation and PowerShell.
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