Netcat The Powershell Version
Adversaries may use a non-application layer protocol for communication between host and C2 server or among infected hosts within a network
Sigma rule (View on GitHub)
1title: Netcat The Powershell Version
2id: c5b20776-639a-49bf-94c7-84f912b91c15
3related:
4 - id: bf7286e7-c0be-460b-a7e8-5b2e07ecc2f2
5 type: derived
6status: test
7description: Adversaries may use a non-application layer protocol for communication between host and C2 server or among infected hosts within a network
8references:
9 - https://nmap.org/ncat/
10 - https://github.com/besimorhino/powercat
11 - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1095/T1095.md
12author: frack113
13date: 2021-07-21
14modified: 2023-10-27
15tags:
16 - attack.command-and-control
17 - attack.execution
18 - attack.t1095
19 - attack.t1059.001
20logsource:
21 product: windows
22 category: ps_classic_start
23detection:
24 selection:
25 Data|contains:
26 - 'powercat '
27 - 'powercat.ps1'
28 condition: selection
29falsepositives:
30 - Unknown
31level: medium
References
Related rules
- Command Line Execution with Suspicious URL and AppData Strings
- Kalambur Backdoor Curl TOR SOCKS Proxy Execution
- Potential DLL File Download Via PowerShell Invoke-WebRequest
- Silence.EDA Detection
- Non Interactive PowerShell Process Spawned