Veil

Veil is a widely used offensive security framework associated with antivirus evasion and first-stage payload generation. It is commonly categorized as penetration-testing-related tooling rather than a conventional standalone malware family with a single fixed payload type. In threat reporting, Veil has been observed in malicious operations as an openly accessible framework that lowers the barrier to entry for cybercriminals by helping them generate or package payloads intended to evade security controls. It has also been cited as a first-stage payload framework used by cybercrime actors.

Large-scale clustering of Go-based malware samples identified Veil as one of the most prevalent named families in that corpus, with the overwhelming majority of those samples targeting Windows systems. The framework’s prominence reflects broad reuse and repackaging rather than a narrowly defined actor-exclusive implant. Veil is frequently discussed alongside other public offensive or evasion frameworks and is relevant to both red-team tradecraft and criminal intrusion activity.

High-confidence reporting supports Veil’s role in defense evasion, but the available information does not establish a single consistent post-compromise capability set such as credential theft, ransomware, or remote administration for all samples labeled Veil. Likewise, no specific delivery vector is established at high confidence from the available facts, beyond its use as an accessible framework that can be incorporated into broader intrusion chains.