Disk Wipe (ea2b3980-05fd-41a3-8ab9-3106e833c821)
Adversaries may wipe or corrupt raw disk data on specific systems or in large numbers in a network to interrupt availability to system and network resources. With direct write access to a disk, adversaries may attempt to overwrite portions of disk data. Adversaries may opt to wipe arbitrary portions of disk data and/or wipe disk structures like the master boot record (MBR). A complete wipe of all disk sectors may be attempted.
To maximize impact on the target organization in operations where network-wide availability interruption is the goal, malware used for wiping disks may have worm-like features to propagate across a network by leveraging additional techniques like Valid Accounts, OS Credential Dumping, and SMB/Windows Admin Shares.[Novetta Blockbuster Destructive Malware]
On network devices, adversaries may wipe configuration files and other data from the device using Network Device CLI commands such as erase.[erase_cmd_cisco]