Detections

Explore public detection logic contributed by the community across SIEM and rule languages.

2,152 detections

This rule detects outbound network connections from a Linux system to known Monero crypto mining pools. The detection is based on a predefined list of destination hostnames associated with various Monero mining operations. This activity is indicative of resource hijacking, where a system's computational resources are illicitly used for cryptocurrency mining.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
0020
Detects exploitation attempts targeting the TerraMaster TOS vulnerability CVE-2020-28188. This rule specifically looks for GET requests to '/include/makecvs.php' with a '?Event=' parameter, combined with common command injection payloads such as 'curl', 'wget', '.py', '.sh', 'chmod', or '_GET' in the URI query.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
0019
Detects Baby Shark C2 Framework default communication patterns
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
002
Detects strings used in command execution in DNS TXT Answer
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
001
Detects WebDav DownloadCradle
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
001
Detects an executable initiating a network connection to "ngrok" tunneling domains.
Attackers were seen using this "ngrok" in order to store their second stage payloads and malware.
While communication with such domains can be legitimate, often times is a sign of either data exfiltration by malicious actors or additional download.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
001
Detects suspicious DNS queries known from Cobalt Strike beacons
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
Detects suspicious DNS queries to api.telegram.org used by Telegram Bots of any kind
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
Ensure that all account usernames and authentication credentials are transmitted across networks using encrypted channels.
Ensure that an encryption is used for all sensitive information in transit. Ensure that an encrypted channels is used for all administrative account access.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
Detects User Agent strings that end with an equal sign, which can be a sign of base64 encoding.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
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