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Ransomware

Ransomware


Massive Ransomeware attack...Total 74 countries affected...Please do not open any email which has attachments with "tasksche.exe" file. Also don't open video named  "Dance of Hillary" . These were encrypting your window devices . Hence precaution for Ransomware  is list below.

Wanna Cry Rasomware

Since 12th Apr 2017, a Ransomware exploiting MS17-010 has been wreaking havoc worldwide.


 Precautions to be taken

1 - Patch Management

Ensure all Workstations and Servers have the latest Microsoft patches, especially the ones related to MS17-010.

2 - Antivirus

Ensure AV signatures are updated on all assets. Identify critical assets and target them first. Block IOCs on AV solution.
Get the details with regards to the name of the malware and verify if this malware has been detected in the logs for last 1 week.

3 - IPS

Ensure IPS signatures are updated. Verify if the signature that can detect this vulnerability / exploit attempt is enabled and is in blocking mode.
Get the details with regards to the name of the Signature and verify if this Signature has been detected in the logs for last 1 week.

4 - eMail Gateway

Ensure eMail Gateway solutions has all relevant updates for detecting possible mails that may bring the Trojan in the environment.

5 - Proxy

Ensure Proxy solution has updated database. Block IOCs for IP Address and Domain names on the Proxy.
Verify last one week logs for the IOCs on Proxy and take action on sources of infection.

6 - Firewall

Block the IP addresses on Perimeter Firewall.
Verify logs for last one week.

7 - Anti - APT Solutions (FireEye, Trend Micro)

Ensure signatures are up to date.
Check for possible internal sources of infection and take actions.

8 - SIEM

Check logs to verify if any of the IOCs have been detected in 1 week logs.

 Note:
a - If required, raise case with OEM for getting details
b - All changes to follow proper approvals and change management process

 Friends backup your important data in hard disc . If you don't have hard disc then store your data in cloud storage. 

 Thanks for reading ,
Please do share with your friends.
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Location: United States

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