Campaigns
A Campaign is a grouping of adversarial behaviors. These behaviors describe a set of malicious activities or attacks that occur over time against a specific set of targets. Campaigns apply for STIX 2.x.
Campaigns usually have well-defined objectives and may be part of an Intrusion Set.
Campaigns are often attributed to an intrusion set and threat actors. The threat actors may reuse known infrastructure from the intrusion set or may set up new infrastructure specific for conducting that campaign.
Campaigns have a common objective in the incidents they cause, to people, or to the resources they target, and the resources they use.
For example, a crime syndicate attacks the executives of ACME Bank. They attack by using a specific variant of malware, and new servers to gain secret information about an upcoming merger with another bank.