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SigmaHQ Detections

@sigmaHQ
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6,797 detections

Detects unknown program using commandline flags usually used by tools such as PsExec and PAExec to start programs with SYSTEM Privileges
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
000
Detects the enumeration of a specific DLL or EXE being used by a binary via "tasklist.exe".
This is often used by attackers in order to find the specific process identifier (PID) that is using the DLL in question.
In order to dump the process memory or perform other nefarious actions.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
000
Detects the execution of "whoami.exe" with the "/all" flag
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
000
Detects the addition of a new network route to a route table in AWS. This activity can be indicative of an adversary attempting to reroute traffic for C2, exfiltration, or to bypass network controls.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
0030
Detects modifications to file or folder permissions using common Windows command-line utilities such as cacls, icacls, net, attrib, and takeown. This can indicate an adversary attempting to evade access controls or gain access to protected files.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
2029
Detects DNS query requests to Devtunnels domains. Attackers can abuse that feature to establish a reverse shell or persistence on a machine. Devtunnels can be used for command and control or data exfiltration by tunneling traffic over legitimate-looking DNS requests.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
1029
Detects unusual domain resolutions originating from CScript/WScript that can identify malicious javascript files executing in an environment, often as a result from a phishing or watering hole attack.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
2029
This rule detects when AWS Config service components, specifically delivery channels or configuration recorders, are disabled. Adversaries may disable these services to impair an organization's ability to monitor and audit changes within their AWS environment, thereby hindering detection of malicious activities.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
0028
This rule detects critical changes to AWS CloudTrail configurations, specifically when a CloudTrail is stopped (StopLogging), updated (UpdateTrail), or deleted (DeleteTrail). These actions can indicate an attempt by an attacker to evade detection by disabling or modifying logging capabilities to obscure their activities within the AWS environment.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
0027
This rule detects the creation of new network Access Control List (ACL) entries within an AWS route table. Such an event could indicate that new network access vectors have been opened, potentially allowing unauthorized access or facilitating malicious activities within the AWS environment. This is a critical security event as it directly impacts network segmentation and access control.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
0026
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