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SigmaHQ Detections

@sigmaHQ
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6,797 detections

Detects a code page switch in command line or batch scripts to a rare language
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Detects a possible process memory dump that uses the white-listed Citrix TrolleyExpress.exe filename as a way to dump the lsass process memory
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Adversaries can use curl to download payloads remotely and execute them. Curl is included by default in Windows 10 build 17063 and later.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Detects execution of the builtin "del"/"erase" commands in order to delete files.
Adversaries may delete files left behind by the actions of their intrusion activity.
Malware, tools, or other non-native files dropped or created on a system by an adversary may leave traces to indicate to what was done within a network and how.
Removal of these files can occur during an intrusion, or as part of a post-intrusion process to minimize the adversary's footprint.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Detects execution of the "del" builtin command to remove files using greedy/wildcard expression. This is often used by malware to delete content of folders that perhaps contains the initial malware infection or to delete evidence.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Detects command that type the content of ntdll.dll to a different file or a pipe in order to evade AV / EDR detection. As seen being used in the POC NtdllPipe
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Detects uncommon and potentially suspicious one-liner command containing both "ping" and "copy" at the same time, which is usually used by malware.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Detects a method often used by ransomware. Which combines the "ping" to wait a couple of seconds and then "del" to delete the file in question. Its used to hide the file responsible for the initial infection for example
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Detects inline Windows shell commands redirecting output via the ">" symbol to a suspicious location.
This technique is sometimes used by malicious actors in order to redirect the output of reconnaissance commands such as "hostname" and "dir" to files for future exfiltration.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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Detects various indicators of Microsoft Connection Manager Profile Installer execution
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
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