Advisory

Organisations Are Encouraged To Urgently Strengthen Cyber Security Posture

Cyber threats are expected to increase globally as a result of the current conflict in Europe. All organizations in Brunei Darussalam are advised to increase awareness and strengthen all critical systems to safeguard data against potential cyber-attacks, such as website defacement, distributed denial of service (DDoS), and ransomware attacks. 

RECOMMENDATIONS

BruCERT recommends that the following immediate actions should be taken. 

S​ystem hardeni​ng

Emergency fix for Exchange Y2K Bug

BACKGROUND
 
Microsoft has released an emergency fix for a year 2022 bug that is breaking email delivery on on-premise Microsoft Exchange servers. Email is getting stuck in the queue, and these errors are caused by Microsoft Exchange checking the version of the FIP-FS antivirus scanning engine and attempting to store the date in a signed int32 variable.

FluBot Malware

BACKGROUND

Malicious text messages are being spammed to mobile users, containing a link which redirects Android users to download FluBot malware. The language and wording of the text message can vary, such as: 
•    You have a voicemail message.
•    Your parcel is out for delivery. Click the link to track your parcel.
•    Someone would like to share a photo album with you.
•    Your Android device is infected with malware. You must install this security update to remove the malware.

Brunei Postal Services Department Phishing Scam

BACKGROUND

BruCERT has received a report of a phishing scam involving Brunei Postal Services Department. An SMS message which appears to be from "Brunei Post" informs the recipient that their package has been relocated to a post office branch due to unpaid postage fees. The message includes a shortened link that will redirect the user to a fake website post-bn.com where they will be asked to enter their full name and credit card details.

IMPACT

Critical security update for Apple devices

BACKGROUND

Apple has released security updates for iPhones, iPads, Apple Watches and Mac computers to address vulnerabilities (CVE-2021-30860 and CVE-2021-30858) that were being exploited by Pegasus spyware.
The bug allowed for a "zero-click" install of the spyware which is capable of stealing data, passwords, and activating a phone's microphone or camera.

IMPACT

May lead to arbitrary code execution on affected products.

SYSTEM AFFECTED 

Apple devices running iOS, macOS and watchOS.