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DETECTION OVERVIEW

BITS Download

Risk Factors

File transfers can easily be managed with BITS, which is a service available in all Windows environments. When a client downloads a suspicious file, particularly an executable file, there is a risk that the file is malware or malicious code. Attackers can leverage malware to support their operations, such as maintaining control of compromised devices, evading defenses, and running commands to achieve attack campaign objectives.

Kill Chain

Actions on Objective

Risk Score

60

Detection diagram
Next in Actions on Objective: BitTorrent Activity

Attack Background

BITS is a Windows service that manages the transfer of files to and from HTTP servers and SMB file shares. An attacker can transfer malicious files to a compromised client through the BITS service. After the malicious payload from the file runs, the attacker can move laterally and conduct more attacks.

Mitigation Options

Quarantine the device while checking for indicators of compromise, such as the presence of malware

Investigate unusual file downloads to minimize potential damage

Block inbound and outbound traffic from suspicious hosts at the network perimeter

MITRE ATT&CK ID

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