Adversaries may look for details about the network configuration and settings, such as IP and/or MAC addresses, of systems they access or through information discovery of remote systems. Several operating system administration utilities exist that can be used to gather this information. Examples include Arp, ipconfig/ifconfig, nbtstat, and route.
Adversaries may also leverage a Network Device CLI on network devices to gather information about configurations and settings, such as IP addresses of configured interfaces and static/dynamic routes (e.g. show ip route, show ip interface).[1],[2] On ESXi, adversaries may leverage esxcli to gather network configuration information. For example, the command esxcli network nic list will retrieve the MAC address, while esxcli network ip interface ipv4 get will retrieve the local IPv4 address.[3]
Adversaries may use the information from System Network Configuration Discovery during automated discovery to shape follow-on behaviors, including determining certain access within the target network and what actions to do next.
References
- US-CERT. (2018, April 20). Alert (TA18-106A) Russian State-Sponsored Cyber Actors Targeting Network Infrastructure Devices. Retrieved October 19, 2020.
- Gyler, C.,Perez D.,Jones, S.,Miller, S.. (2021, February 25). This is Not a Test: APT41 Initiates Global Intrusion Campaign Using Multiple Exploits. Retrieved February 17, 2022.
- Pham Duy Phuc, Max Kersten, Noël Keijzer, and Michaël Schrijver. (2024, February 14). RansomHouse am See. Retrieved March 26, 2025.
Apakšuzdevumi
| Nosaukums | Apraksts |
|---|---|
| Internet Connection Discovery | Adversaries may check for Internet connectivity on compromised systems. This may be performed during automated discovery and can be accomplished in numerous ways such as using Ping, Adversaries may use the results and responses from these requests to determine if the system is capable of communicating with their C2 servers before attempting to connect to them. The results may also be used to identify routes, redirectors, and proxy servers. |
| Wi-Fi Discovery | Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems. Adversaries may use Wi-Fi information as part of Account Discovery, Remote System Discovery, and other discovery or Credential Access activity to support both ongoing and future campaigns. Adversaries may collect various types of information about Wi-Fi networks from hosts. For example, on Windows names and passwords of all Wi-Fi networks a device has previously connected to may be available through On Linux, names and passwords of all Wi-Fi-networks a device has previously connected to may be available in files under References
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Saistītie uzdevumi
| Saites veids | Uzdevums |
|---|---|
| is related to | Techniques |
| is blocked by | Behavioral Detection of System Network Configuration Discovery |
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