Back in a Bit: Attacker Use of the Windows Background Intelligent Transfer Service

In this blog post we will describe: How attackers use the Background Intelligent Transfer Service BITS Forensic techniques for detecting attacker activity with data format specifications Public release of the BitsParser tool A real-world example of malware using BITS persistence --- Introduction...

IIS Privilege Escalation

The vulnerability of the Microsoft Internet Information Server IIS server, due to the Windows Background Intelligent Transfer Service BITS, affects operating systems running on Windows. This vulnerability is related to file operation processing errors. Exploiting this vulnerability can allow an...

Background Intelligent Transfer Service CVE-2020-0787 - Privilege Escalation

This Metasploit module exploits CVE-2020-0787, an arbitrary file move vulnerability This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'Background Intelligent Transfer Service Arbitrary File Move...

Microsoft Windows Background Intelligent Transfer Service Elevation of Privilege Vulnerability

Microsoft Windows is a set of operating systems for use on personal devices from the American company Microsoft. An elevation of privilege vulnerability exists in the IIS module of the Microsoft Windows Background Intelligent Transfer Service BITS, which arises from the program's failure to...

CVE-2020-1255: Undefined Security Weakness

An elevation of privilege vulnerability exists when the Windows Background Intelligent Transfer Service BITS IIS module improperly handles uploaded content, aka 'Windows Background Intelligent Transfer Service Elevation of Privilege Vulnerability'...

PT-2020-2854

Name of the Vulnerable Software and Affected Versions Windows Background Intelligent Transfer Service BITS IIS module affected versions not specified Description The issue is related to an elevation of privilege vulnerability in the Windows Background Intelligent Transfer Service BITS IIS module,...

KLA11806 Multiple vulnerabilities in Microsoft Products (ESU)

Multiple vulnerabilities were found in Microsoft Products Extended Support Update. Malicious users can exploit these vulnerabilities to obtain sensitive information, execute arbitrary code, gain privileges, cause denial of service, bypass security restrictions. Below is a complete list of...

CVE-2020-1112: Unrestricted Upload of File with Dangerous Type

An elevation of privilege vulnerability exists when the Windows Background Intelligent Transfer Service BITS IIS module improperly handles uploaded content. An attacker who successfully exploited this vulnerability could upload restricted file types to an IIS-hosted folder. To exploit this...

KLA11773 Multiple vulnerabilities in Microsoft Windows

Multiple vulnerabilities were found in Microsoft Windows. Malicious users can exploit these vulnerabilities to bypass security restrictions, cause denial of service, execute arbitrary code, gain privileges, obtain sensitive information, spoof user interface. Below is a complete list of...

KLA11777 Multiple vulnerabilities in Microsoft Products (ESU)

Multiple vulnerabilities were found in Microsoft Products ESU. Malicious users can exploit these vulnerabilities to bypass security restrictions, cause denial of service, execute arbitrary code, gain privileges, obtain sensitive information. Below is a complete list of vulnerabilities: 1. A denia...

PT-2020-2341

Name of the Vulnerable Software and Affected Versions Windows Background Intelligent Transfer Service BITS affected versions not specified Description The issue is related to the improper handling of uploaded content by the Windows Background Intelligent Transfer Service BITS IIS module, which ca...

CVE-2020-0787

An elevation of privilege vulnerability exists when the Windows Background Intelligent Transfer Service BITS improperly handles symbolic links, aka 'Windows Background Intelligent Transfer Service Elevation of Privilege Vulnerability'...

CVE-2020-0787: Improper Link Resolution Before File Access

An elevation of privilege vulnerability exists when the Windows Background Intelligent Transfer Service BITS improperly handles symbolic links, aka 'Windows Background Intelligent Transfer Service Elevation of Privilege Vulnerability'...

Background Intelligent Transfer Service Arbitrary File Move Privilege Elevation Vulnerability

This module exploits CVE-2020-0787, an arbitrary file move vulnerability in outdated versions of the Background Intelligent Transfer Service BITS, to overwrite C:\Windows\System32\WindowsCoreDeviceInfo.dll with a malicious DLL containing the attacker's payload. To achieve code execution as the...

KB4540670: Windows 10 Version 1607 and Windows Server 2016 March 2020 Security Update

The remote Windows host is missing security update 4540670. It is, therefore, affected by multiple vulnerabilities : - An elevation of privilege vulnerability exists when the Windows Device Setup Manager improperly handles file operations. An attacker who successfully exploited this vulnerability...

LOLBITS - C# Reverse Shell Using Background Intelligent Transfer Service (BITS) As Communication Protocol

LOLBITS is a C reverse shell that uses Microsoft's Background Intelligent Transfer Service BITS to communicate with the Command and Control backend. The Command and Control backend is hidden behind an apparently harmless flask web application and it's only accesible when the HTTP requests receive...

Stealth Falcon Targets Middle East with Windows BITS Feature

The notorious Stealth Falcon cyberespionage group has adopted a new backdoor using the Windows Background Intelligent Transfer Service BITS in its ongoing spyware attacks against journalists, activists and dissidents in the Middle East. According to researchers at ESET, attackers are exploiting t...

October 27, 2016 — KB3197954 (OS Build 14393.351)

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Windows BITS 'Notification' Feature Used to Deliver Malware

Attackers have found a new way to exploit the Widows Background Intelligent Transfer Service BITS which is being used to infect and reinfect targeted PCs with malware even after the initial infection has been removed. According to security researchers at Dell SecureWorks, attackers are exploiting...