Defenders beware: A case for post-ransomware investigations

Ransomware is one of the most pervasive threats that Microsoft Detection and Response Team DART responds to today. The groups behind these attacks continue to add sophistication to their tactics, techniques, and procedures TTPs as most network security postures increase. In this blog, we detail a...

Defenders beware: A case for post-ransomware investigations

Ransomware is one of the most pervasive threats that Microsoft Detection and Response Team DART responds to today. The groups behind these attacks continue to add sophistication to their tactics, techniques, and procedures TTPs as most network security postures increase. In this blog, we detail a...

Defenders beware: A case for post-ransomware investigations

Ransomware is one of the most pervasive threats that Microsoft Detection and Response Team DART responds to today. The groups behind these attacks continue to add sophistication to their tactics, techniques, and procedures TTPs as most network security postures increase. In this blog, we detail a...

The art and science behind Microsoft threat hunting: Part 2

We discussed Microsoft Detection and Response Team’s DART threat hunting principles in part 1 of The art and science behind Microsoft threat hunting blog series. In this follow-up post, we will talk about some general hunting strategies, frameworks, tools, and how Microsoft incident responders wo...

The art and science behind Microsoft threat hunting: Part 2

We discussed Microsoft Detection and Response Team’s DART threat hunting principles in part 1 of The art and science behind Microsoft threat hunting blog series. In this follow-up post, we will talk about some general hunting strategies, frameworks, tools, and how Microsoft incident responders wo...

personnummer/rust vulnerable to Improper Input Validation

This vulnerability was reported to the personnummer team in June 2020. The slow response was due to locked ownership of some of the affected packages, which caused delays to update packages prior to disclosure. The vulnerability is determined to be low severity. Impact This vulnerability impacts...

GHSA-4XH4-V2PQ-JVHM personnummer/dart vulnerable to Improper Input Validation

This vulnerability was reported to the personnummer team in June 2020. The slow response was due to locked ownership of some of the affected packages, which caused delays to update packages prior to disclosure. The vulnerability is determined to be low severity. Impact This vulnerability impacts...

personnummer/dart vulnerable to Improper Input Validation

This vulnerability was reported to the personnummer team in June 2020. The slow response was due to locked ownership of some of the affected packages, which caused delays to update packages prior to disclosure. The vulnerability is determined to be low severity...

Microsoft investigates Iranian attacks against the Albanian government

Shortly after the destructive cyberattacks against the Albanian government in mid-July, the Microsoft Detection and Response Team DART was engaged by the Albanian government to lead an investigation into the attacks. At the time of the attacks and our engagement by the Albanian government,...

Malicious Package

Overview codemirror-dart-minifier is a malicious package. The package's name is based on existing repositories, namespaces, or components used by popular companies in an effort to trick employees into downloading it, also known as 'dependency confusion'. Therefore, you're only vulnerable if this...

GHSA-JWPW-Q68H-R678 Duplicate Advisory: Improper Neutralization of CRLF Sequences in dio

Duplicate advisory This advisory has been withdrawn because it is a duplicate of GHSA-9324-jv53-9cc8. This link is maintained to preserve external references. Original Description The dio package prior to 5.0.0 for Dart allows CRLF injection if the attacker controls the HTTP method string, a...

Duplicate Advisory: Improper Neutralization of CRLF Sequences in dio

Duplicate advisory This advisory has been withdrawn because it is a duplicate of GHSA-9324-jv53-9cc8. This link is maintained to preserve external references. Original Description The dio package prior to 5.0.0 for Dart allows CRLF injection if the attacker controls the HTTP method string, a...

GHSA-4RGH-JX4F-QFCQ http before 0.13.3 vulnerable to header injection

An issue was discovered in the http package before 0.13.3 for Dart. If the attacker controls the HTTP method and the app is using Request directly, it's possible to achieve CRLF injection in an HTTP request via HTTP header injection. This issue has been addressed in commit abb2bb182 by validating...

http before 0.13.3 vulnerable to header injection

An issue was discovered in the http package before 0.13.3 for Dart. If the attacker controls the HTTP method and the app is using Request directly, it's possible to achieve CRLF injection in an HTTP request via HTTP header injection. This issue has been addressed in commit abb2bb182 by validating...

http before 0.13.3 vulnerable to header injection

An issue was discovered in the http package before 0.13.3 for Dart. If the attacker controls the HTTP method and the app is using Request directly, it's possible to achieve CRLF injection in an HTTP request via HTTP header injection. This issue has been addressed in commit abb2bb182 by validating...

Duplicate Advisory: Improper Neutralization of CRLF Sequences in dio

Duplicate advisory This advisory has been withdrawn because it is a duplicate of GHSA-9324-jv53-9cc8. This link is maintained to preserve external references. Original Description The dio package prior to 5.0.0 for Dart allows CRLF injection if the attacker controls the HTTP method string, a...

Tarrask malware uses scheduled tasks for defense evasion

As Microsoft continues to track the high-priority state-sponsored threat actor HAFNIUM, new activity has been uncovered that leverages unpatched zero-day vulnerabilities as initial vectors. The Microsoft Detection and Response Team DART in collaboration with the Microsoft Threat Intelligence Cent...

CVE-2022-0451

Dart SDK contains the HTTPClient in dart:io library whcih includes authorization headers when handling cross origin redirects. These headers may be explicitly set and contain sensitive information. By default, HttpClient handles redirection logic. If a request is sent to example.com with...

Authorization

Dart SDK contains the HTTPClient in dart:io library whcih includes authorization headers when handling cross origin redirects. These headers may be explicitly set and contain sensitive information. By default, HttpClient handles redirection logic. If a request is sent to example.com with...

CVE-2022-0451 Auth bypass in Dark SDK

Dart SDK contains the HTTPClient in dart:io library whcih includes authorization headers when handling cross origin redirects. These headers may be explicitly set and contain sensitive information. By default, HttpClient handles redirection logic. If a request is sent to example.com with...