Onset Delay

Created the Monday 11 March 2019. Updated 1 year, 1 month ago.

Malware will delay execution to avoid analysis by the sample. For example, a Ping can be perform during a time defined. Unlike extended sleep that will use the Sleep function, onset delay will use another way to delay execution.

The purpose of such evasive code is to delay the execution of malicious activity long enough so that automated analysis systems give up on a sample, incorrectly assuming that the program is non-functional, or does not execute any action of interest.

Additional Resources

External Links

The resources provided below are associated links that will give you even more detailed information and research on current evasion technique. It is important to note that, while these resources may be helpful, it is important to exercise caution when following external links. As always, be careful when clicking on links from unknown sources, as they may lead to malicious content.

• http://www.syssec-project.eu/m/page-media/3/hasten-ccs11.pdf
• 6 Ways Malware Evades Detection – And How to Stop Them