MALWARE-CNC -- Snort has detected a Comand and Control (CNC) rule violation, most likely for commands and calls for files or other stages from the control server. The alert indicates a host has been infiltrated by an attacker, who is using the host to make calls for files, as a call-home vector for other malware-infected networks, for shuttling traffic back to bot owners, etc.
MALWARE-CNC Win.Proxy.Earthworm outbound connection
This rule alerts on network communications from the Earthworm network proxy tool. This rule may alert on any of the subcommands involved in the client-server handshake of custom TCP protocol used by Earthworm, including the establishment of a reverse socks5 tunnel from the server to the client.
This rule alerts on network communications from the Earthworm network proxy tool.
Attacks/Scans seen in the wild
No known false positives
Cisco Talos Intelligence Group
MITRE::ATT&CK Framework::Enterprise::Command and Control::Application Layer Protocol
None
No information provided
None
MITRE TTP | T1071 Application Layer Protocol |
|---|---|
| MITRE ID | T1071 |
| Tactic | Command and Control |
| Technique | Application Layer Protocol |
| Description | Adversaries may communicate using application layer protocols to avoid detection/network filtering by blending in with existing traffic. Commands to the remote system, and often the results of those commands, will be embedded within the protocol traffic between the client and server. |
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