Top issues
Problem
Uniform Resource Locators (URLs) are structured addresses that point to locations and assets on the internet. URLs allow software developers to build complex applications that exchange data with servers that can be hosted in multiple geographical regions. URLs can commonly be found embedded in documentation, configuration files, source code and compiled binaries. Bitcoin (BTC) is a digital currency that uses peer-to-peer technology to facilitate instant payments on the web. Bitcoin exchanges allow their customers to trade cryptocurrencies or digital currencies for other assets, such as conventional fiat money or other digital currencies. Financially motivated actors often include references to cryptocurrency exchanges in their code. Ransomware victims are instructed to visit Bitcoin exchanges to acquire the digital currency. Bitcoin is the most common payment method accepted by attackers in exchange for decrypting the user-generated data that is held for ransom. While presence of Bitcoin exchange service references does not imply malicious intent, all of its uses in a software package should be documented and approved. Only select applications should consider keeping track of Bitcoin exchange websites.Prevalence in NuGet community
0 packages
found in
Top 100
0 packages
found in
Top 1k
0 packages
found in
Top 10k
297 packages
in community
Next steps
Investigate reported detections.
If the software should not include these network references, investigate your build and release environment for software supply chain compromise.
You should delay the software release until the investigation is completed, or until the issue is risk accepted.
Consider removing all references to flagged network locations.
Problem
Uniform Resource Locators (URLs) are structured addresses that point to locations and assets on the internet. URLs allow software developers to build complex applications that exchange data with servers that can be hosted in multiple geographical regions. URLs can commonly be found embedded in documentation, configuration files, source code and compiled binaries. One or more embedded URLs were discovered to link to raw files hosted on GitHub. Attackers often abuse popular web services to host malicious payloads. Since code-sharing services URLs are typically allowed by security solutions, using them for payload delivery increases the odds that the malicious code will reach the user. While the presence of code-sharing service locations does not imply malicious intent, all of their uses in a software package should be documented and approved. An increasing number of software supply chain attacks in the open source space leverages the GitHub service to deliver malicious payloads.Prevalence in NuGet community
0 packages
found in
Top 100
22 packages
found in
Top 1k
142 packages
found in
Top 10k
59574 packages
in community
Next steps
Investigate reported detections.
If the software should not include these network references, investigate your build and release environment for software supply chain compromise.
You should delay the software release until the investigation is completed, or until the issue is risk accepted.
Consider an alternative delivery mechanism for software packages.
Problem
Software components contain executable code that performs actions implemented during its development. These actions are called behaviors. In the analysis report, behaviors are presented as human-readable descriptions that best match the underlying code intent. While most behaviors are benign, some are commonly abused by malicious software with the intent to cause harm. When a software package shares behavior traits with malicious software, it may become flagged by security solutions. Any detection from security solutions can cause friction for the end-users during software deployment. While the behavior is likely intended by the developer, there is a small chance this detection is true positive, and an early indication of a software supply chain attack.Prevalence in NuGet community
0 packages
found in
Top 100
0 packages
found in
Top 1k
4 packages
found in
Top 10k
1095 packages
in community
Next steps
Investigate reported detections.
If the software intent does not relate to the reported behavior, investigate your build and release environment for software supply chain compromise.
You should delay the software release until the investigation is completed, or until the issue is risk accepted.
Consider rewriting the flagged code without using the marked behaviors.
Detected digital signatures that rely on a weak digest algorithm for integrity validation.
signatures
Problem
Digital signatures are applied to applications, packages and documents as a cryptographically secured authenticity record. Signatures verify the origin and the integrity of the object they apply to. The integrity validation relies on the cryptographic strength of the encryption and the hash verification algorithm. If either of the two is considered weak by current standards, there is a chance the signed object could be maliciously modified, without triggering the integrity failure check.Prevalence in NuGet community
0 packages
found in
Top 100
38 packages
found in
Top 1k
315 packages
found in
Top 10k
733240 packages
in community
Next steps
Create signatures with strong ECC key-length of at least 224 bits, or RSA key-length of at least 2048 bits, and use SHA256 as the hashing algorithm. While encryption key-length upgrade does require you to obtain a new certificate, the hashing algorithm can freely be selected during signing.
With Microsoft SignTool, you can specify the hashing algorithm using the /fd SHA256 parameter.
Detected digital signatures that have not been performed with an extended validation certificate.
signatures
Problem
Digital signatures are applied to applications, packages and documents as a cryptographically secured authenticity record. Signatures are made using digital certificates, which can either be purchased from certificate authorities or be self-issued. When a certificate is purchased from a certificate authority, the subject that requests it goes through an identity validation process. Depending on the certificate type, those checks can be basic or extended. Confirming the subject identity is a multi-step process, and the requesting subject can be mapped to its legal entity name only through extended validation of submitted documents. Extended identity validation typically costs more, and it takes longer for a certificate to be issued when this process is correctly followed.Prevalence in NuGet community
0 packages
found in
Top 100
27 packages
found in
Top 1k
292 packages
found in
Top 10k
732229 packages
in community
Next steps
Consider the benefits of acquiring extended validation certificates. Operating systems tend to be more trusting of software packages signed in this way. Certain security warnings and prompts might also be automatically suppressed. This reduces the number of support tickets for organizations that opt to use extended validation certificates.
Top behaviors
Contains URLs related to Bitcoin exchange services.
network
Prevalence in NuGet community
Behavior commonly used by malicious software (Important)
Behavior uncommon for this community (Uncommon)
0 packages
found in
Top 100
0 packages
found in
Top 1k
0 packages
found in
Top 10k
397 packages
in community
Encodes data using the Base64 algorithm.
packer
Prevalence in NuGet community
Behavior often found in this community (Common)
0 packages
found in
Top 100
21 packages
found in
Top 1k
144 packages
found in
Top 10k
69157 packages
in community
Decodes data using the Base64 algorithm.
packer
Prevalence in NuGet community
Behavior often found in this community (Common)
0 packages
found in
Top 100
21 packages
found in
Top 1k
133 packages
found in
Top 10k
60642 packages
in community
Contains URLs that link to raw files on GitHub.
network
Prevalence in NuGet community
Behavior often found in this community (Common)
0 packages
found in
Top 100
22 packages
found in
Top 1k
142 packages
found in
Top 10k
59985 packages
in community
Contains IP addresses.
network
Prevalence in NuGet community
Behavior often found in this community (Common)
0 packages
found in
Top 100
59 packages
found in
Top 1k
458 packages
found in
Top 10k
532614 packages
in community
Top vulnerabilities
No vulnerabilities found.