Ibrahim Saud
@tektrixIndiaCompletionist
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11,679 detections
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This rule detects potentially malicious emails that impersonate Microsoft account security notifications or security advisories. It looks for emails with specific social engineering themes in the sender name, sender address, or subject line, accompanied by .zip attachments that contain suspicious file names related to cybersecurity warnings or OTP abuse, which are common lures for malware delivery.
Detects execution of GitLab Runner registration commands via PowerShell Script Block Logging (EID 4104). This rule identifies potentially sensitive configuration parameters, such as registration tokens or executor configurations, being passed in cleartext during the enrollment process.
Detects instances of node.exe being spawned by potentially suspicious parent processes like msiexec.exe, wscript.exe, cscript.exe, or explorer.exe, or being executed from unusual locations often associated with malicious staging or masquerading, such as Windows Libraries or Themes directories.
This rule detects Terraform CLI execution of the 'init' command correlated with network access to HashiCorp AWS registry domains, or the presence of Terraform lock files in specific sensitive or project-related directory paths. This combination often indicates infrastructure-as-code management activities or potential misuse of Terraform in a production environment.
This rule detects the creation, modification, or renaming of files within specific sensitive directories under Local AppData (such as ComponentTask33, INetCache/FilterManager, or Shell/RemoteTempPrimary) that are closely timed with the execution of a PowerShell script named '*_scatter.ps1'. This behavior is indicative of potential malicious staging, data dropping, or modular deployment associated with a specific script-based attack chain.
This rule detects instances where PowerShell is executed by a Windows Script Host process (wscript.exe or cscript.exe) using common suspicious command-line arguments. This pattern is frequently used by adversaries to execute obfuscated or bypassed PowerShell scripts while attempting to hide or proxy the execution through legitimate scripting host processes.
Detects the execution of regsvcs.exe when initiated by PowerShell, or when invoked with specific command line arguments indicating .NET reflection (GetType, GetMethod, method.Invoke) typically associated with fileless execution or proxying malicious code. The rule specifically targets instances involving .NET Framework directories.
Detects unauthorized access to web browser credential stores (e.g., Login Data, Cookies) by non-browser processes, such as scripting engines (PowerShell, WScript) or common LOLBins (MSBuild, InstallUtil). This behavior is indicative of credential theft or data exfiltration attempts by malicious software, including stealers like PureLog.
Detects access to sensitive cryptocurrency wallet files (e.g., wallet.dat, keystore) by processes typically associated with LOLBins (Living-off-the-land Binaries) like PowerShell, MSBuild, or non-executable utilities. This activity is indicative of credential theft or data staging for exfiltration of cryptocurrency assets.
Detects the presence of a specific Russian-language error string ("Не удалось сгенерировать HWID") within binary files, which is characteristic of the HWID generation mechanism used by Vidar Stealer malware.
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