Detections

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

301 detections

Detects network requests to '/pwndrop/' URI paths, which are indicative of communication with a PwnDrp web server. PwnDrp is a tool developed for red team testing and is also known to be used for malicious activities, typically for command and control or data exfiltration.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
1022
Detects network connections to the Notion API (api.notion.com) from processes that are not recognized legitimate Notion applications or common web browsers. This rule aims to identify potential covert command and control (C2) channels, specifically referencing tools like "OffensiveNotion C2" which leverage Notion's infrastructure for malicious communication.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
0017
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
0017
Detects an executable accessing an ngrok tunneling endpoint, which could be a sign of forbidden exfiltration of data exfiltration by malicious actors
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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 a non-browser process communicating with the Notion API. This could indicate potential use of a covert C2 channel such as "OffensiveNotion C2"
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
Detects suspicious child processes of the "Manage Engine ServiceDesk Plus" Java web service
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
000
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