Generally, there are countries that need to secure a visa before entering Malaysia and some are only allowed to visit by air. Israeli citizens who wish to enter the country are required to obtain a visa and approval from the Ministry of Home Affairs, Malaysia. If you are an ASEAN national except for Myanmar, you do not need a visa if you are coming for business or tourism for less than one month. Visas are required for the duration of stay that exceeds one month except for Brunei and Singapore nationals. Yellow Fever certificate is required to be produced upon landing in Malaysia for some countries.

For more reference about Malaysian Visas, you can visit the following links below:

https://travel.state.gov/content/travel/en/international-travel/International-Travel-Country-Information-Pages/Malaysia.html

https://www.imi.gov.my/index.php/en/main-services/visa/visa-requirement-by-country