Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
11 detections
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Detects suspicious behavior by the IIS worker process (w3wp.exe) indicative of web shell deployment, specifically the spawning of command interpreters (cmd.exe, powershell.exe) or the writing of .aspx files. This activity is consistent with exploitation campaigns targeting MOVEit Transfer, such as those conducted by the Lace Tempest (Cl0p) group.
Detects SQL injection exploitation attempts against MOVEit Transfer targeting the CVE-2023-34362 vulnerability, followed by the deployment and subsequent interaction with the 'human2.aspx' webshell associated with Cl0p ransomware mass-exploitation campaigns.
Detects SQL injection exploitation attempts against MOVEit Transfer targeting the CVE-2023-34362 vulnerability, followed by the deployment and subsequent interaction with the 'human2.aspx' webshell associated with Cl0p ransomware mass-exploitation campaigns.
Detects the LEMURLOOT ASP.NET web shell deployed by Cl0p following exploitation of CVE-2023-34362 in MOVEit Transfer
Detects SQL injection exploitation attempts against MOVEit Transfer targeting the CVE-2023-34362 vulnerability, followed by the deployment and subsequent interaction with the 'human2.aspx' webshell associated with Cl0p ransomware mass-exploitation campaigns.
Detects SQL injection exploitation attempts against MOVEit Transfer targeting the CVE-2023-34362 vulnerability, followed by the deployment and subsequent interaction with the 'human2.aspx' webshell associated with Cl0p ransomware mass-exploitation campaigns.
This YARA rule detects specific ASP.NET web shells associated with the CL0P ransomware gang's exploitation of the MOVEit Transfer vulnerability (CVE-2023-34362). It identifies malicious activity by looking for custom HTTP headers ('X-siLock-') used by the exploit, specific hardcoded Azure storage interaction code snippets, and characteristic SQL injection queries targeting the application's user database.
Detects malicious ASP.NET webshell activity associated with the CL0P Ransomware Gang exploiting CVE-2023-34362. The rule looks for specific HTTP headers used by the webshell, indicators of Azure Blob Storage interaction, or SQL injection attempts.
Detects GET requests to specific files ('/human2.aspx' or '/_human2.aspx') that are known indicators of exploitation attempts targeting the MOVEit Transfer vulnerability CVE-2023-34362. These requests are typically associated with web shell deployment or interaction after initial compromise.
Detects the execution of "csc.exe" by the "w3wp.exe" process, specifically looking for patterns indicative of the MOVEit Transfer CVE-2023-34362 exploitation. This activity is associated with dynamic compilation of malicious DLL files within the .NET framework temporary ASP.NET files directory.
This rule detects file activity indicative of potential exploitation of the MOVEit Transfer CVE-2023-34362 vulnerability. It specifically looks for the creation or modification of suspicious file types (like .7z, .bat, .dll, .exe, .ps1, .rar, .vbe, .vbs, .zip) within the MOVEit Transfer webroot directory. Additionally, it identifies the presence of known malicious files such as `_human2.aspx` or `human2.aspx` and their shortcut files (`.lnk`) within the same directory. The rule also includes a selection for newly compiled ASP.NET DLLs within the temporary ASP.NET files directory, created around the time the vulnerability was actively exploited (March-June 2023), which could indicate the deployment of web shells or other malicious code.