EXPLORE

EXPLORE DETECTIONS

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3,281 detections found

Suspicious Named Error

Detects suspicious DNS error messages that indicate a fatal or suspicious error that could be caused by exploiting attempts

T1190
Sigmahigh

Suspicious Network Command

Adversaries may look for details about the network configuration and settings of systems they access or through information discovery of remote systems

T1016
Sigmalow

Suspicious Network Communication With IPFS

Detects connections to interplanetary file system (IPFS) containing a user's email address which mirrors behaviours observed in recent phishing campaigns leveraging IPFS to host credential harvesting webpages.

T1056
Sigmalow

Suspicious Network Connection Binary No CommandLine

Detects suspicious network connections made by a well-known Windows binary run with no command line parameters

Sigmahigh

Suspicious Network Connection to IP Lookup Service APIs

Detects external IP address lookups by non-browser processes via services such as "api.ipify.org". This could be indicative of potential post compromise internet test activity.

T1016
Sigmamedium

Suspicious New Instance Of An Office COM Object

Detects an svchost process spawning an instance of an office application. This happens when the initial word application creates an instance of one of the Office COM objects such as 'Word.Application', 'Excel.Application', etc. This can be used by malicious actors to create malicious Office documents with macros on the fly. (See vba2clr project in the references)

Sigmamedium

Suspicious New Service Creation

Detects creation of a new service via "sc" command or the powershell "new-service" cmdlet with suspicious binary paths

T1543.003
Sigmahigh

Suspicious New-PSDrive to Admin Share

Adversaries may use to interact with a remote network share using Server Message Block (SMB). The adversary may then perform actions as the logged-on user.

T1021.002
Sigmamedium

Suspicious Nohup Execution

Detects execution of binaries located in potentially suspicious locations via "nohup"

Sigmahigh

Suspicious Non PowerShell WSMAN COM Provider

Detects suspicious use of the WSMAN provider without PowerShell.exe as the host application.

T1059.001T1021.003
Sigmamedium

Suspicious Non-Browser Network Communication With Google API

Detects a non-browser process interacting with the Google API which could indicate the use of a covert C2 such as Google Sheet C2 (GC2-sheet)

T1102
Sigmamedium

Suspicious Non-Browser Network Communication With Telegram API

Detects an a non-browser process interacting with the Telegram API which could indicate use of a covert C2

T1102T1567T1105
Sigmamedium

Suspicious NTLM Authentication on the Printer Spooler Service

Detects a privilege elevation attempt by coercing NTLM authentication on the Printer Spooler service

T1212
Sigmahigh

Suspicious OAuth App File Download Activities

Detects when a Microsoft Cloud App Security reported when an app downloads multiple files from Microsoft SharePoint or Microsoft OneDrive in a manner that is unusual for the user.

Sigmamedium

Suspicious Obfuscated PowerShell Code

Detects suspicious UTF16 and base64 encoded and often obfuscated PowerShell code often used in command lines

Sigmahigh

Suspicious OpenSSH Daemon Error

Detects suspicious SSH / SSHD error messages that indicate a fatal or suspicious error that could be caused by exploiting attempts

T1190
Sigmamedium

Suspicious Outbound SMTP Connections

Adversaries may steal data by exfiltrating it over an un-encrypted network protocol other than that of the existing command and control channel. The data may also be sent to an alternate network location from the main command and control server.

T1048.003
Sigmamedium

Suspicious Outlook Child Process

Detects a suspicious process spawning from an Outlook process.

T1204.002
Sigmahigh

Suspicious Outlook Macro Created

Detects the creation of a macro file for Outlook.

T1137T1008T1546
Sigmahigh

Suspicious Package Installed - Linux

Detects installation of suspicious packages using system installation utilities

T1553.004
Sigmamedium

Suspicious Parent Double Extension File Execution

Detect execution of suspicious double extension files in ParentCommandLine

T1036.007
Sigmahigh

Suspicious Path In Keyboard Layout IME File Registry Value

Detects usage of Windows Input Method Editor (IME) keyboard layout feature, which allows an attacker to load a DLL into the process after sending the WM_INPUTLANGCHANGEREQUEST message. Before doing this, the client needs to register the DLL in a special registry key that is assumed to implement this keyboard layout. This registry key should store a value named "Ime File" with a DLL path. IMEs are essential for languages that have more characters than can be represented on a standard keyboard, such as Chinese, Japanese, and Korean.

T1685
Sigmahigh

Suspicious Persistence Via VMwareToolBoxCmd.EXE VM State Change Script

Detects execution of the "VMwareToolBoxCmd.exe" with the "script" and "set" flag to setup a specific script that's located in a potentially suspicious location to run for a specific VM state

T1059
Sigmahigh

Suspicious Ping/Del Command Combination

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

T1070.004
Sigmahigh
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