Crimson7
Threat Intelligence
MITRE T1102.001 / Web Service: Dead Drop Resolver

EtherHiding C2 Resolution

Malware stores C2 domains in Ethereum smart contracts. The blockchain is immutable, uncensorable, and anonymous defenders can't take it down. This demo queries a live contract and decodes the ABI-encoded response.

Malware Infected host
Ethereum RPC eth_call (read-only)
Smart Contract Returns C2 domain
Selector Toolkit keccak256 ↔ 4byte lookup
Function → Selector
Function
Selector → Function (Reverse Lookup)
Selector
Target Contract
Preset
RPC URL
Contract
Selector