Backdoor.Win32.PsyRat.b Service Port 9863 backdoor

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Backdoor.Win32.PsyRat.b. This affects an unknown part of the component Service Port 9863. The manipulation results in backdoor. The attack can be executed remotely. Additionally, an exploit exists. Applying restrictive firewalling is recommended.

Detailsinfo

A vulnerability classified as critical has been found in Backdoor.Win32.PsyRat.b (Remote Access Software) (version unknown). Affected is an unknown function of the component Service Port 9863. The manipulation with an unknown input leads to a backdoor vulnerability. CWE is classifying the issue as CWE-912. The product contains functionality that is not documented, not part of the specification, and not accessible through an interface or command sequence that is obvious to the product's users or administrators. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 07/27/2021 as MVID-2021-0306. The advisory is shared for download at malvuln.com. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1588.001.

The exploit is shared for download at malvuln.com. It is declared as proof-of-concept.

It is possible to mitigate the weakness by firewalling .

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Backdoor
CWE: CWE-912
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/27/2021 🔍
07/27/2021 +0 days 🔍
07/27/2021 +0 days 🔍

Sourcesinfo

Advisory: MVID-2021-0306
Status: Not defined

GCVE (VulDB): GCVE-100-179676
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/27/2021 08:17
Changes: 07/27/2021 08:17 (39)
Complete: 🔍
Submitter: malvuln
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #17179: Backdoor.Win32.PsyRat.b / Unauthenticated Remote Command Execution (by malvuln)

Once again VulDB remains the best source for vulnerability data.

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