Ransomware as a service: Understanding the cybercrime gig economy and how to protect yourself
microsoft.com · 9 May 2022 · Licence: not cleared; local research copy only
CVEs this report names
16 CVEs- CVE-2019-11510Ivanti Pulse Connect Secure Arbitrary File Read VulnerabilityIvanti · Pulse Connect SecureKEVRansomwarePublic exploitCritical · 10.0T1133External Remote ServicesT1059Command and Scripting Interpreter+2 more · 6 reports>99.9%Top 0.01%90.0priority
- CVE-2021-44228Apache Log4j2 Remote Code Execution VulnerabilityApache · Log4j2KEVRansomwarePublic exploitCritical · 10.0T1608.001Upload MalwareT1190Exploit Public-Facing Application+3 more · 10 reports>99.9%Top 0.01%90.0priority
- CVE-2018-13379Fortinet FortiOS SSL VPN Path Traversal VulnerabilityFortinet · FortiOSKEVRansomwarePublic exploitCritical · 9.8T1190Exploit Public-Facing Application5 reports>99.9%Top 0.01%89.9priority
- CVE-2019-19781Citrix ADC, Gateway, and SD-WAN WANOP Appliance Code Execution VulnerabilityCitrix · Application Delivery Controller (ADC), Gateway, and SD-WAN WANOP ApplianceKEVRansomwarePublic exploitCritical · 9.8T1133External Remote ServicesT1059Command and Scripting Interpreter+1 more · 8 reports>99.9%Top 0.01%89.9priority
- CVE-2019-0604Microsoft SharePoint Remote Code Execution VulnerabilityMicrosoft · SharePointKEVRansomwarePublic exploitCritical · 9.8T1608.001Upload MalwareT1190Exploit Public-Facing Application+3 more · 4 reports99.9%Top 0.03%88.8priority
- CVE-2021-31207Microsoft Exchange Server Security Feature Bypass VulnerabilityMicrosoft · Exchange ServerKEVRansomwarePublic exploitMedium · 6.6T1548.002Bypass User Account ControlT1565Data Manipulation9 reports99.8%Top 0.04%87.6priority
- CVE-2022-30190Microsoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution VulnerabilityMicrosoft · WindowsKEVRansomwarePublic exploitHigh · 7.8T1204.002Malicious FileT1105Ingress Tool Transfer4 reports99.2%Top 0.07%87.4priority
- CVE-2021-40444Microsoft MSHTML Remote Code Execution VulnerabilityMicrosoft · MSHTMLKEVRansomwarePublic exploitHigh · 8.8T1204.002Malicious FileT1203Exploitation for Client Execution3 reports97.8%Top 0.09%86.9priority
- CVE-2021-22893Ivanti Pulse Connect Secure Use-After-Free VulnerabilityIvanti · Pulse Connect SecureKEVRansomwarePublic exploitCritical · 10.0T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter+1 more · 1 report47.2%Top 1.2%83.6priority
- CVE-2020-8260Ivanti Pulse Connect Secure Code Execution VulnerabilityIvanti · Pulse Connect SecureKEVPublic exploitHigh · 7.2T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter1 report96.5%Top 0.12%81.9priority
- CVE-2021-20016SonicWall SSLVPN SMA100 SQL Injection VulnerabilitySonicWall · SSLVPN SMA100KEVRansomwareCritical · 9.8T1190Exploit Public-Facing ApplicationT1005Data from Local System1 report40.0%Top 1.4%78.5priority
- CVE-2020-8243Ivanti Pulse Connect Secure Code Execution VulnerabilityIvanti · Pulse Connect SecureKEVHigh · 7.2T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter1 report90.8%Top 0.2%76.9priority
- CVE-2020-10189Zoho ManageEngine Desktop Central File Upload VulnerabilityZoho · ManageEngineKEVPublic exploitCritical · 9.8T1190Exploit Public-Facing ApplicationT1059Command and Scripting Interpreter1 report99.9%Top 0.03%73.7priority
- CVE-2021-22894Ivanti Pulse Connect Secure Collaboration Suite Buffer Overflow VulnerabilityIvanti · Pulse Connect SecureKEVHigh · 8.8T1078Valid AccountsT1059Command and Scripting Interpreter1 report41.3%Top 1.3%67.8priority
- CVE-2021-22899Ivanti Pulse Connect Secure Command Injection Vulnerability22.9%Top 2.3%67.6priority
- CVE-2021-22900Ivanti Pulse Connect Secure Unrestricted File Upload VulnerabilityIvanti · Pulse Connect SecureKEVHigh · 7.2T1059Command and Scripting InterpreterT1068Exploitation for Privilege Escalation1 report14.1%Top 3.4%66.2priority
Where it names them
CVE-2019-11510 Original (opens in a new tab) ↗
Pulse Secure VPN systems affected by CVE-2019-11510, CVE-2020-8260, CVE-2020-8243, CVE-2021-22893, CVE-2021-22894, CVE-2021-22899, and CVE-2021-22900
CVE-2021-44228 Original (opens in a new tab) ↗ Original (opens in a new tab) ↗
In February of 2022, DEV-0401 was observed deploying the Pandora ransomware family, primarily via unpatched VMware Horizon systems vulnerable to the Log4j 2 CVE-2021-44228 vulnerability.
Apache log4j CVE-2021-44228
CVE-2018-13379 Original (opens in a new tab) ↗
FortiGate VPN servers affected by CVE-2018-13379
CVE-2019-19781 Original (opens in a new tab) ↗
Citrix ADC systems affected by CVE-2019-19781
CVE-2019-0604 Original (opens in a new tab) ↗
Microsoft SharePoint servers affected by CVE-2019-0604
CVE-2021-31207 Original (opens in a new tab) ↗
ELBRUS has also been abusing CVE-2021-31207 in Exchange to compromise organizations in April of 2022, an interesting pivot to using a less popular authenticated vulnerability in the ProxyShell cluster of vulnerabilities.
CVE-2022-30190 Original (opens in a new tab) ↗
DEV-0464 also rapidly adopted the Microsoft Support Diagnostic Tool (MSDT) vulnerability (CVE-2022-30190) in their campaigns.
CVE-2021-40444 Original (opens in a new tab) ↗
DEV-0193 infrastructure has also been implicated in attacks deploying novel techniques, including exploitation of CVE-2021-40444.
CVE-2021-22893 Original (opens in a new tab) ↗
Pulse Secure VPN systems affected by CVE-2019-11510, CVE-2020-8260, CVE-2020-8243, CVE-2021-22893, CVE-2021-22894, CVE-2021-22899, and CVE-2021-22900
CVE-2020-8260 Original (opens in a new tab) ↗
Pulse Secure VPN systems affected by CVE-2019-11510, CVE-2020-8260, CVE-2020-8243, CVE-2021-22893, CVE-2021-22894, CVE-2021-22899, and CVE-2021-22900
CVE-2021-20016 Original (opens in a new tab) ↗
SonicWall SSLVPN affected by CVE-2021-20016
CVE-2020-8243 Original (opens in a new tab) ↗
Pulse Secure VPN systems affected by CVE-2019-11510, CVE-2020-8260, CVE-2020-8243, CVE-2021-22893, CVE-2021-22894, CVE-2021-22899, and CVE-2021-22900
CVE-2020-10189 Original (opens in a new tab) ↗
Zoho ManageEngine systems affected by CVE-2020-10189
CVE-2021-22894 Original (opens in a new tab) ↗
Pulse Secure VPN systems affected by CVE-2019-11510, CVE-2020-8260, CVE-2020-8243, CVE-2021-22893, CVE-2021-22894, CVE-2021-22899, and CVE-2021-22900
CVE-2021-22899 Original (opens in a new tab) ↗
Pulse Secure VPN systems affected by CVE-2019-11510, CVE-2020-8260, CVE-2020-8243, CVE-2021-22893, CVE-2021-22894, CVE-2021-22899, and CVE-2021-22900
CVE-2021-22900 Original (opens in a new tab) ↗
Pulse Secure VPN systems affected by CVE-2019-11510, CVE-2020-8260, CVE-2020-8243, CVE-2021-22893, CVE-2021-22894, CVE-2021-22899, and CVE-2021-22900
Techniques drawn from this report
NoneNo passage in this report has been tied to an ATT&CK technique.