Detections

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

20,499 detections

Detects unauthorized or suspicious use of USSD codes by the corporate MDM agent to modify call-forwarding settings. This activity is indicative of a compromise where an attacker uses an MDM-controlled device to intercept calls or divert communications.
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Arnold Chan@slaz
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Midnight Slayer
1 month ago
001
Detects unauthorized or suspicious use of USSD codes by the corporate MDM agent to modify call-forwarding settings. This activity is indicative of a compromise where an attacker uses an MDM-controlled device to intercept calls or divert communications.
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Arnold Chan@slaz
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Hunters
1 month ago
001
Detects unauthorized or suspicious use of USSD codes by the corporate MDM agent to modify call-forwarding settings. This activity is indicative of a compromise where an attacker uses an MDM-controlled device to intercept calls or divert communications.
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Arnold Chan@slaz
Defender - KQL
1 month ago
001
Detects unauthorized or suspicious use of USSD codes by the corporate MDM agent to modify call-forwarding settings. This activity is indicative of a compromise where an attacker uses an MDM-controlled device to intercept calls or divert communications.
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Arnold Chan@slaz
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Detection & Hunting Community
1 month ago
001
Detects the presence of known Vidar infostealer samples by matching file hashes against a list of identified malicious artifacts. The rule monitors for file creation events, process execution (both as the primary process and as an initiating process), and network activity originating from these known malicious files.
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Ankit Mehta@Secvyn
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SlimKQL
1 month ago
103
Detects the presence of known Vidar infostealer samples by matching file hashes against a list of identified malicious artifacts. The rule monitors for file creation events, process execution (both as the primary process and as an initiating process), and network activity originating from these known malicious files.
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Ankit Mehta@Secvyn
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Detection & Hunting Community
1 month ago
203
Detects the presence of known Vidar infostealer samples by matching file hashes against a list of identified malicious artifacts. The rule monitors for file creation events, process execution (both as the primary process and as an initiating process), and network activity originating from these known malicious files.
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Ankit Mehta@Secvyn
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Detections.ai Community
1 month ago
103
Detects instances where common web browsers (chrome, msedge, firefox, brave) are spawned as child processes by suspicious parent applications or scripting environments such as PowerShell, CMD, WScript, MSHTA, or Office documents (Winword, Excel). This behavior is often indicative of malicious document execution, file-less malware techniques, or drive-by download attempts.
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Ankit Mehta@Secvyn
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SlimKQL
1 month ago
003
Detects the execution of PowerShell with suspicious command-line arguments (headless mode, hidden window, encoded commands) spawned by WScript.exe. This pattern is commonly associated with obfuscated script execution or fileless malware staging.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
205
Detects anomalous post-exploitation behavior associated with SectopRAT, where a suspicious process (e.g., ReportDump.exe) establishes a persistent network connection to a known C2 IP address followed closely by the invocation of common command-line utilities (cmd, powershell, tasklist, etc.) used for file and process management.
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Arnold Chan@slaz
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Midnight Slayer
1 month ago
001
Detects anomalous post-exploitation behavior associated with SectopRAT, where a suspicious process (e.g., ReportDump.exe) establishes a persistent network connection to a known C2 IP address followed closely by the invocation of common command-line utilities (cmd, powershell, tasklist, etc.) used for file and process management.
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Arnold Chan@slaz
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Hunters
1 month ago
001
Detects anomalous post-exploitation behavior associated with SectopRAT, where a suspicious process (e.g., ReportDump.exe) establishes a persistent network connection to a known C2 IP address followed closely by the invocation of common command-line utilities (cmd, powershell, tasklist, etc.) used for file and process management.
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Arnold Chan@slaz
Defender - KQL
1 month ago
001
Detects anomalous post-exploitation behavior associated with SectopRAT, where a suspicious process (e.g., ReportDump.exe) establishes a persistent network connection to a known C2 IP address followed closely by the invocation of common command-line utilities (cmd, powershell, tasklist, etc.) used for file and process management.
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Arnold Chan@slaz
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Detection & Hunting Community
1 month ago
001
Detects anomalous post-exploitation behavior associated with SectopRAT, where a suspicious process (e.g., ReportDump.exe) establishes a persistent network connection to a known C2 IP address followed closely by the invocation of common command-line utilities (cmd, powershell, tasklist, etc.) used for file and process management.
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Arnold Chan@slaz
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Detections.ai Community
1 month ago
001
Detects the execution of 'ReportDump.exe' from within the 'C:\ProgramData' directory when initiated by system processes associated with scheduled tasks (svchost.exe, taskeng.exe, schtasks.exe) containing 'Schedule' in the command line. This behavior is indicative of potential persistence mechanisms or malicious file execution using legitimate Windows scheduling utilities.
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Arnold Chan@slaz
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Hunters
1 month ago
001
Detects the execution of 'ReportDump.exe' from within the 'C:\ProgramData' directory when initiated by system processes associated with scheduled tasks (svchost.exe, taskeng.exe, schtasks.exe) containing 'Schedule' in the command line. This behavior is indicative of potential persistence mechanisms or malicious file execution using legitimate Windows scheduling utilities.
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Arnold Chan@slaz
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Detections.ai Community
1 month ago
301
This rule detects command-line activity where a remote resource is downloaded via 'curl', decoded using 'base64', and then piped directly into a shell interpreter (sh, bash, or zsh). This pattern is commonly used in fileless execution or stage-one payload delivery by attackers to execute malicious scripts directly from memory.
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Arnold Chan@slaz
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Detection & Hunting Community
2 months ago
8012
Detects the execution of known credential harvesting tools such as Mimikatz, LaZagne, and pypykatz, or the use of their specific command-line arguments. The rule includes exclusions for common security software processes and authorized testing paths.
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Arnold Chan@slaz
Defender - KQL
1 month ago
001
Detects the execution of known credential harvesting tools such as Mimikatz, LaZagne, and pypykatz, or the use of their specific command-line arguments. The rule includes exclusions for common security software processes and authorized testing paths.
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Arnold Chan@slaz
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Detection & Hunting Community
1 month ago
001
Detects the use of ntdsutil.exe to create an Install From Media (IFM) set, which copies the NTDS.dit file and registry hives to a specified folder. Adversaries often use this technique to stage Active Directory credentials for exfiltration, frequently using the C:\Windows\Temp directory as a staging area. The rule includes exclusions for common legitimate system management and backup agents.
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Arnold Chan@slaz
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Hunters
1 month ago
001
Detects the use of ntdsutil.exe to create an Install From Media (IFM) set, which copies the NTDS.dit file and registry hives to a specified folder. Adversaries often use this technique to stage Active Directory credentials for exfiltration, frequently using the C:\Windows\Temp directory as a staging area. The rule includes exclusions for common legitimate system management and backup agents.
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Arnold Chan@slaz
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Detection & Hunting Community
1 month ago
001
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