During  the threat actors deobfuscated encoded PowerShell commands including use of the specific string `'FromBase'+0x40+'String'` in place of `FromBase64String` which is normally used to decode base64.(Citation: FireEye APT29 Nov 2018)
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: During  the threat actors deobfuscated encoded PowerShell commands including use of the specific string `'FromBase'+0x40+'String'` in place of `FromBase64String` which is normally used to decode base64.(Citation: FireEye APT29 Nov 2018) ### Response: T1140.