Mallory pivots from this family to the IOCs, detections, and named campaigns that touch your stack, and pages you when something new lands.
1 distinct threat actor attributed by public researchers. Open in Mallory to see the full evidence chain and overlapping campaigns.
We’re calling it NullReceiver, and we think it’s a deliberate improvement on EtherHiding. NullReceiver is a blockchain-based command-and-control (C2) resolution technique used by DPRK-linked npm malware.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
NullReceiver is presented as a named malware/C2 technique associated with blank crypto transfers and EtherHiding-style command-and-control evasion.
A blockchain-based C2 resolution technique used in a Node.js RAT embedded in trojanized npm packages. It retrieves the attacker wallet’s latest outbound Ethereum transaction and decodes the C2 IP address from the recipient address bytes of a zero-value, zero-data transfer.
Match every observed IP, domain, and hash against your live telemetry.
Named campaigns wielding this family, with evidence pinned to each claim.
CVEs this family uses for access and lateral movement.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Every documented technique, ranked by evidence weight.
Reddit, Mastodon, and CTI community discussion around this family.