SMB Server DOUBLEPULSAR Backdoor / Implant Detection (EternalRocks)

Critical Nessus Plugin ID 99439

Synopsis

A backdoor exists on the remote Windows host.

Description

Nessus detected the presence of DOUBLEPULSAR on the remote Windows host. DOUBLEPULSAR is one of multiple Equation Group SMB implants and backdoors disclosed on 2017/04/14 by a group known as the Shadow Brokers. The implant allows an unauthenticated, remote attacker to use SMB as a covert channel to exfiltrate data, launch remote commands, or execute arbitrary code.

EternalRocks is a worm that propagates by utilizing DOUBLEPULSAR.

Solution

Remove the DOUBLEPULSAR backdoor / implant and disable SMBv1.

See Also

http://www.nessus.org/u?43ec89df

https://github.com/countercept/doublepulsar-detection-script

https://github.com/stamparm/EternalRocks/

Plugin Details

Severity: Critical

ID: 99439

File Name: smb_double_pulsar_backdoor_detect.nbin

Version: Revision: 1.44

Type: remote

Agent: windows

Family: Windows

Published: 2017/04/18

Modified: 2018/09/13

Dependencies: 10394

Risk Information

Risk Factor: Critical

CVSSv2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSSv3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vulnerability Information

CPE: cpe:/o:microsoft:windows

Required KB Items: SMB/login

Excluded KB Items: SMB/not_windows

Exploit Available: true

Vulnerability Publication Date: 2017/04/14