Detections

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

881 detections

Detects the installation or execution of common remote access tools (e.g., AnyDesk, ScreenConnect, Atera, Splashtop) using silent or unattended installation flags. This rule explicitly excludes activity originating from known administrative and management platforms such as Microsoft Intune and SCCM.
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Ibrahim Saud@tektrix
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Detections.ai Community
29 days ago
000
Detects the installation or execution of common Remote Monitoring and Management (RMM) tools (e.g., ScreenConnect, AnyDesk, Atera) that are initiated from potentially untrusted parent processes like browsers, mail clients, or archive utilities, or that exhibit a code signing discrepancy. The rule further correlates these installation events with subsequent modifications to the Windows firewall within a two-hour window, which is indicative of an adversary establishing remote access persistence.
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Ibrahim Saud@tektrix
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Detections.ai Community
29 days ago
000
This rule monitors for two indicators of potentially malicious WinRM activity: first, the execution of suspicious child processes (e.g., cmd.exe, powershell.exe, rundll32.exe, certutil.exe) originating from the Windows Remote Management host process (wsmprovhost.exe); and second, a 'fan-out' pattern where a single account establishes WinRM/PSRemoting sessions on three or more distinct hosts within a short time window, which is often indicative of automated lateral movement or credential abuse.
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Ankit Mehta@Secvyn
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Detection & Hunting Community
1 month ago
103
This rule monitors for two indicators of potentially malicious WinRM activity: first, the execution of suspicious child processes (e.g., cmd.exe, powershell.exe, rundll32.exe, certutil.exe) originating from the Windows Remote Management host process (wsmprovhost.exe); and second, a 'fan-out' pattern where a single account establishes WinRM/PSRemoting sessions on three or more distinct hosts within a short time window, which is often indicative of automated lateral movement or credential abuse.
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Ankit Mehta@Secvyn
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Detections.ai Community
1 month ago
003
This rule monitors for DNS queries and network connections to a known list of malicious domains associated with phishing campaigns that deploy remote access tools (such as ScreenConnect or MSP360). These campaigns typically involve users interacting with malicious links to trigger downloads or remote management sessions.
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Ankit Mehta@Secvyn
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SlimKQL
29 days ago
000
This rule monitors for DNS queries and network connections to a known list of malicious domains associated with phishing campaigns that deploy remote access tools (such as ScreenConnect or MSP360). These campaigns typically involve users interacting with malicious links to trigger downloads or remote management sessions.
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Ankit Mehta@Secvyn
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Detections.ai Community
29 days ago
000
Detects a suspicious sequence of events where a remote access tool (RAT) is installed on a device, followed by significantly elevated and anomalous database query activity performed by the same account over an extended period. The rule utilizes a baseline window to identify deviations from normal query volumes while excluding known service accounts and administrative ETL/BI tasks.
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Arnold Chan@slaz
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Detection & Hunting Community
29 days ago
000
Detects a suspicious sequence of events where a remote access tool (RAT) is installed on a device, followed by significantly elevated and anomalous database query activity performed by the same account over an extended period. The rule utilizes a baseline window to identify deviations from normal query volumes while excluding known service accounts and administrative ETL/BI tasks.
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Arnold Chan@slaz
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Hunters
29 days ago
000
Detects successful remote authentication events (Network or Interactive) performed by AI agent orchestration service accounts. This rule monitors for atypical lateral movement patterns where an automated service account pivots to remote hosts using protocols such as RDP or WinRM, diverging from its standard operational context.
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Ibrahim Saud@tektrix
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Detections.ai Community
29 days ago
000
Detects network activity associated with NetSupport Manager remote access software, specifically monitoring for connections to known malicious domains and infrastructure, as well as recurring beaconing patterns indicative of command-and-control behavior.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
007
Detects the execution of known Remote Monitoring and Management (RMM) tool binaries (ScreenConnect, AnyDesk, Atera) that are initiated by suspicious parent processes such as browsers, scripting hosts, or office applications, or run from non-standard locations. This behavior is indicative of threat actors deploying trojanized RMM tools to establish a covert command-and-control channel that blends into normal IT administrative traffic.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
001
Detects successful VPN logins that bypass multi-factor authentication (MFA) and originate from unusual ASN/IP addresses or occur during atypical hours. This behavior is indicative of potential unauthorized access using compromised credentials, consistent with threat actor patterns that exploit environments lacking mandatory MFA enforcement.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
104
Detects successful administrative logins to VMware ESXi, vCenter, or related VDI infrastructure (Horizon) by users who have recently performed a password or MFA reset. This pattern is indicative of a helpdesk-based social engineering attack (vishing) or credential compromise where the attacker regains account access and immediately pivots to critical virtualization management infrastructure to facilitate ransomware deployment.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
002
Detects the execution of known remote access tools (AnyDesk, TeamViewer, Quick Assist) on Windows systems. The rule is intended to be used in a correlated detection pipeline that identifies a multi-stage attack chain involving an initial email-bombing flood followed by an external Microsoft Teams vishing call impersonating IT support.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
107
Detects the Sauron Loader vishing chain: a mailbox hit by a high-volume, high-distinct-sender email bombing burst (raised from 20 to 50 emails/hour and now requiring 15+ distinct senders, to exclude single-sender retry loops or broken automation), followed within 2 hours by the same user launching Quick Assist or AnyDesk — consistent with an attacker posing as IT support after the flood. Also fixes a schema bug where EmailEvents was queried with TimeGenerated instead of Timestamp, and a post-join column reference bug.
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Arnold Chan@slaz
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Hunters
1 month ago
002
Detects the execution of known remote-access or screen-sharing software (e.g., TeamViewer, AnyDesk, RDP) within 30 minutes of launching common video conferencing applications (e.g., Zoom, Teams, Google Meet). This pattern is consistent with an adversary remotely assisting an unauthorized user during a live coding interview or similar assessment process.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
205
Detects anomalous remote access patterns on a single endpoint, specifically involving AnyDesk or TeamViewer sessions originating from multiple distinct geographical locations combined with usage by multiple distinct user accounts. This pattern is consistent with DPRK IT worker fraud (Wagemole) involving shared laptop farms.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
002
This rule detects a suspicious sequence of events where a process named RMM.Agent.exe executes a PowerShell command to download and install 'ClientSetup.msi' via msiexec.exe, followed closely by the execution of a ScreenConnect client process. This chain of activity is consistent with unauthorized or potentially malicious deployment of ScreenConnect (ConnectWise Control) for persistent remote access.
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Arnold Chan@slaz
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Hunters
29 days ago
000
This rule detects a suspicious sequence of events where a process named RMM.Agent.exe executes a PowerShell command to download and install 'ClientSetup.msi' via msiexec.exe, followed closely by the execution of a ScreenConnect client process. This chain of activity is consistent with unauthorized or potentially malicious deployment of ScreenConnect (ConnectWise Control) for persistent remote access.
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Arnold Chan@slaz
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Detection & Hunting Community
29 days ago
000
This rule detects successful authentication events for remote access applications (VPN, RDP, Azure AD App Proxy) where the source IP address or ASN has not been observed in the user's login history within the preceding 14 days. This behavior is indicative of potential account takeover using compromised credentials sourced from infostealers or other credential-harvesting activities.
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Ibrahim Saud@tektrix
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Detections.ai Community
29 days ago
000
This rule detects the execution of the AnyDesk remote access tool shortly after its likely download via Microsoft Edge. This pattern is commonly associated with social engineering vishing attacks where an adversary directs a user to download and run remote access software.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
006
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