Possible binary padding using dd

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Hour
Required Data	XDR Agent
ATT&CK Tactic	Stealth (TA0005)
ATT&CK Technique	Obfuscated Files or Information: Binary Padding (T1027.001)
Severity	Informational

Description

A suspicious dd command ran and added data to a binary. This may indicate binary padding to change the hash of a file.

Attacker's Goals

An adversary may use binary padding to avoid hash-based blacklists and static antivirus signatures.

Investigative actions

Check the padded file and try to understand the impact of padding this specific binary.