Detection rules › Sigma
Network Communication Initiated To Portmap.IO Domain
Detects an executable accessing the portmap.io domain, which could be a sign of forbidden C2 traffic or data exfiltration by malicious actors
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Command & Control | T1090.002 Proxy: External Proxy |
| Exfiltration | T1041 Exfiltration Over C2 Channel |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 3 | Network connection |
Stages and Predicates
Stage 1: selection
DestinationHostname|endswith: .portmap.io
Initiated: true
Indicators
Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.
| Field | Kind | Values |
|---|---|---|
DestinationHostname | ends_with |
|
Initiated | eq |
|