Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
6,208 detections
Filters
Last updated
All Time
Detection languages
2,407
1,435
704
406
354
Contributors
1,092
1,080
584
392
348
Categories
2,143
1,818
1,759
1,290
889
Platforms
4,235
1,450
895
574
181
Products / Services
1,567
855
774
655
512
MITRE Techniques
18,113
15,640
12,591
8,389
6,208
CVEs
9
9
9
9
7
IDS Classtypes
412
174
39
29
25
IDS Protocols
342
113
110
103
15
This rule detects the execution of the `netsh.exe` utility to configure a port forwarding rule specifically for RDP (port 3389). This technique can be used by adversaries to bypass network restrictions and establish RDP tunnels for lateral movement or command and control.
This rule detects suspicious PowerShell command-line patterns indicative of downloading and executing remote content. Specifically, it looks for the use of `IEX (New-Object Net.WebClient).DownloadString` or `(New-Object System.Net.WebClient).DownloadFile` which are commonly abused by malicious scripts, stagers, and downloaders to fetch and run payloads from the internet.
This rule detects when the 'EnableLocalManifestFiles' setting for AppInstaller (winget) is activated in the Windows Registry. Enabling this setting allows users to install new packages using custom manifests, which could be abused by adversaries to install malicious software or achieve persistence.
Detects a network connection initiated by the certutil.exe utility. Attackers can abuse this utility to download malware or additional payloads.
Detects a script interpreter (Wscript/Cscript) initiating a local network connection to download or execute a script hosted on a shared folder. This behavior can be indicative of an adversary attempting to transfer tools or execute scripts from internal network shares.
This rule detects outbound network connections initiated by the Windows Script Host interpreters, wscript.exe or cscript.exe, to non-local IP addresses. This behavior is often indicative of adversaries using scripts to download additional malicious payloads or establish command and control. The rule filters out connections to common private and loopback IP ranges to reduce false positives.
Detects the usage of COM objects that can be abused to download files within PowerShell scripts by identifying specific CLSIDs. This technique is often used by adversaries for ingress tool transfer or to establish command and control.
Detects the execution of certutil.exe with specific flags ('urlcache' or 'verifyctl') to download files from direct IP addresses. This technique is often used by adversaries for ingress tool transfer or to retrieve malicious payloads, bypassing traditional web proxies or security controls that might monitor domain-based traffic.
Detects the use of the built-in Windows utility `desktopimgdownldr.exe` to download remote files. This utility can be abused by adversaries as an alternative method for ingress tool transfer, similar to `certutil.exe`.
This rule detects suspicious execution of 'extrac32.exe' when it is used to download or copy files, specifically cabinet (.cab) files, with common extraction options. Extrac32.exe is a legitimate Windows utility for extracting files from cabinet archives, but it can be abused by adversaries for ingress tool transfer or to stage malicious files.
Detects the use of Windows Defender's MpCmdRun.exe utility to download files from a specified URL. This technique can be abused by adversaries for ingress tool transfer or to bypass security controls by using a legitimate, signed Microsoft binary.
MsiExec Web Install
Sigma
Detects suspicious execution of msiexec.exe with web addresses as parameters, which can be indicative of an adversary attempting to download and execute malicious MSI packages or DLLs directly from a remote source. This technique is often used for defense evasion and ingress tool transfer.
Detects the usage of COM objects within PowerShell commands that can be leveraged to download files. This rule specifically looks for the `[Type]::GetTypeFromCLSID(` method combined with known Class IDs (CLSIDs) associated with objects capable of file downloads.
Detects suspicious file downloads directly from IP addresses using Wget.exe. This rule looks for executions of wget.exe where the command line contains an IP address, 'http', an output flag like '-O' or '--output-document', and a suspicious file extension. This behavior is often associated with adversaries transferring tools or malware onto a compromised system.
Detects setting a custom URL for OneDriveStandaloneUpdater.exe to download a file from the Internet without executing any anomalous executables with suspicious arguments. The downloaded file will be in C:\Users\redacted\AppData\Local\Microsoft\OneDrive\StandaloneUpdaterreSignInSettingsConfig.json
Detects suspicious PowerShell commands that utilize the Net.WebClient object to download files or strings from the internet. This is a common technique used by adversaries for ingress tool transfer or to execute malicious code.
Detects the execution of common browser processes (Brave, Chrome, Edge, Opera, Vivaldi) with a command-line argument containing a URL that points to a file with a potentially interesting extension. This behavior can be abused by adversaries to download arbitrary files, potentially for further execution or to hide malicious activity by launching the browser in a minimized state.
Detects suspicious command line execution by `cmd.exe` that includes both a URL (http or https) and the `%AppData%` environment variable in its parameters. This pattern is often observed in droppers, particularly those using JavaScript or VBScript to execute PowerShell commands.
This rule detects the execution of 'curl.exe' to download files from a direct IP address, rather than a domain name. It specifically looks for command-line arguments that indicate a download operation (e.g., '-O', '--remote-name', '--output') and the presence of an IP address in the URL. The rule also filters for common executable and script file extensions, suggesting the download of malicious payloads. This activity is often associated with adversaries attempting to retrieve tools or malware onto a compromised system, bypassing typical domain-based reputation checks.
This rule detects the execution of 'diantz.exe' with command-line arguments that indicate both a remote file path (identified by '\\') and the creation of a CAB file (identified by '.cab'). This combination suggests that the 'diantz.exe' utility is being used to download a remote file and compress it into a CAB archive on the local machine. This behavior is often associated with adversaries transferring tools or data into a compromised environment.
Detects execution of GfxDownloadWrapper.exe with a URL as an argument to download file.
Page 290 of 296