Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects use of Cobalt Strike commands accidentally entered in the CMD shell
ZxShell Malware
Sigma
Detects a ZxShell start by the called and well-known function name
detects the usage of path traversal in conhost.exe indicating possible command/argument confusion/hijacking
Detects potential path traversal attempt via cmd.exe. Could indicate possible command/argument confusion/hijacking
Detects command line parameters used by Koadic hack tool
Detects activity that could be related to Baby Shark malware
Detects potential APT FIN7 exploitation activity as reported by Google.
In order to obtain initial access, FIN7 used compromised Remote Desktop Protocol (RDP) credentials to login to a target server and initiate specific Windows process chains.
In order to obtain initial access, FIN7 used compromised Remote Desktop Protocol (RDP) credentials to login to a target server and initiate specific Windows process chains.
Detects a suspicious command line execution that includes an URL and AppData string in the command line parameters as used by several droppers (js/vbs > powershell)
Detects file being transferred via ScreenConnect RMM
Adversaries may abuse the Windows command shell for execution.
The Windows command shell ([cmd](https://attack.mitre.org/software/S0106)) is the primary command prompt on Windows systems.
The Windows command prompt can be used to control almost any aspect of a system, with various permission levels required for different subsets of commands.
Batch files (ex: .bat or .cmd) also provide the shell with a list of sequential commands to run, as well as normal scripting operations such as conditionals and loops.
Common uses of batch files include long or repetitive tasks, or the need to run the same set of commands on multiple system
The Windows command shell ([cmd](https://attack.mitre.org/software/S0106)) is the primary command prompt on Windows systems.
The Windows command prompt can be used to control almost any aspect of a system, with various permission levels required for different subsets of commands.
Batch files (ex: .bat or .cmd) also provide the shell with a list of sequential commands to run, as well as normal scripting operations such as conditionals and loops.
Common uses of batch files include long or repetitive tasks, or the need to run the same set of commands on multiple system
Detect use of "/R <" to read and execute a file via cmd.exe
Detects exploitation attempt of privilege escalation vulnerability via SetupComplete.cmd and PartnerSetupComplete.cmd described in CVE-2019-1378
Detects the execution of concatenated commands via "cmd.exe". Pikabot often executes a combination of multiple commands via the command handler "cmd /c" in order to download and execute additional payloads.
Commands such as "curl", "wget" in order to download extra payloads. "ping" and "timeout" are abused to introduce delays in the command execution and "Rundll32" is also used to execute malicious DLL files.
In the observed Pikabot infections, a combination of the commands described above are used to orchestrate the download and execution of malicious DLL files.
Commands such as "curl", "wget" in order to download extra payloads. "ping" and "timeout" are abused to introduce delays in the command execution and "Rundll32" is also used to execute malicious DLL files.
In the observed Pikabot infections, a combination of the commands described above are used to orchestrate the download and execution of malicious DLL files.
Detects the use of Jlaive to execute assemblies in a copied PowerShell
Detects a suspicious child process of a Microsoft HTML Help (HH.exe)
Detects actions caused by the RedMimicry Winnti playbook a automated breach emulations utility
This query was originally published in the threat analytics report, Motivated miners.
Doublepulsar is a backdoor developed by the National Security Agency (NSA). First disclosed in 2017, it is now used by many malicious actors. Software patches are available.
The following query detects activity broadly associated with campaigns that use DoublePulsar to exploit web servers.
See Detect DoublePulsar execution for a query that detects possible DoublePulsar execution events.
References:
https://www.microsoft.com/wdsi/threats/malware-encyclopedia-description?Name=Trojan:Win32/DoublePulsar&threatId=-2147239036
https://www.scmagazine.com/home/security-news/cybercrime/doublepulsar-malware-spreading-rapidly-in-the-wild-following-shadow-brokers-dump/
https://support.microsoft.com/help/4013389/title
Doublepulsar is a backdoor developed by the National Security Agency (NSA). First disclosed in 2017, it is now used by many malicious actors. Software patches are available.
The following query detects activity broadly associated with campaigns that use DoublePulsar to exploit web servers.
See Detect DoublePulsar execution for a query that detects possible DoublePulsar execution events.
References:
https://www.microsoft.com/wdsi/threats/malware-encyclopedia-description?Name=Trojan:Win32/DoublePulsar&threatId=-2147239036
https://www.scmagazine.com/home/security-news/cybercrime/doublepulsar-malware-spreading-rapidly-in-the-wild-following-shadow-brokers-dump/
https://support.microsoft.com/help/4013389/title
Detect use of "/R <" to read and execute a file via cmd.exe
Detects Trojan loader activity as used by APT28
Detects Elise backdoor activity used by APT32
Detects the exploitation of Zoho ManageEngine Desktop Central Java Deserialization vulnerability reported as CVE-2020-10189
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