Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects unauthorized processes attempting to open handles to Google Chrome or Microsoft Edge with elevated permissions, specifically accessing thread context (often associated with hardware breakpoints used for process injection or credential extraction techniques).
The following analytic detects an uncommon process requesting full access rights to winlogon.exe, which may indicate Rubeus exporting Kerberos tickets from memory.
It leverages Sysmon EventCode 10 and checks for full-access rights, specifically the value 0x1f3fff.
It leverages Sysmon EventCode 10 and checks for full-access rights, specifically the value 0x1f3fff.
Detects unauthorized code injection attempts into web browser processes (chrome.exe, msedge.exe) by non-browser related processes. This behavior involves using APIs like CreateRemoteThread, NtAllocateVirtualMemory, or NtWriteVirtualMemory to modify memory and execute remote threads, which is a common technique used by information stealers such as LummaC2 to bypass browser security controls.
Detects a sequence of API calls (NtAllocateVirtualMemory, WriteProcessMemory, and CreateRemoteThread) targeting browser processes (chrome.exe, msedge.exe) from a non-browser process, consistent with shellcode injection patterns used by the Remus infostealer to bypass browser security features.
Detects the creation of a process in a suspended state using the CREATE_SUSPENDED flag. This technique is commonly employed during process hollowing, process injection, or by legitimate security/debugging tools to prepare a process for memory modification before execution begins.
This rule detects potential SectopRAT loader activity by identifying non-.NET-native processes accessing 'pool.db' in the ProgramData directory followed by the immediate loading of .NET CLR libraries (clr.dll or mscoreei.dll). This pattern is indicative of reflective loading of a decrypted .NET payload into memory within a target process.
Detects a specific execution sequence associated with the SectopRAT loader. The rule identifies a process named 'ReportDump.exe' reading a payload file 'Activation.Desktop.db' and subsequently loading 'stp_aim_x64_vc15.dll', which is known to trigger malicious shellcode via an exported function.
Detects a specific execution sequence associated with the SectopRAT loader. The rule identifies a process named 'ReportDump.exe' reading a payload file 'Activation.Desktop.db' and subsequently loading 'stp_aim_x64_vc15.dll', which is known to trigger malicious shellcode via an exported function.
Detects the suspicious loading of both 'FrameworkBase.dll' and 'sdkcra.dll' by the 'ReportDump.exe' process within a two-minute window. This behavior is often associated with the execution of specialized tools or potential post-exploitation activity where legitimate processes are abused to load specific modules.
Detects the suspicious loading of both 'FrameworkBase.dll' and 'sdkcra.dll' by the 'ReportDump.exe' process within a two-minute window. This behavior is often associated with the execution of specialized tools or potential post-exploitation activity where legitimate processes are abused to load specific modules.
Detects potential process injection attempts (e.g., Early Bird APC injection or process hollowing) where a process is spawned in a suspended state, followed shortly by a remote-thread or QueueUserAPC injection primitive targeting that same process. The rule correlates process creation events with subsequent API calls while excluding known legitimate patterns like .NET runtime operations, system updaters, and EDR/AV security components.
Detects execution of code using indirect syscalls or ntdll unhooking techniques, often associated with the PIVOTPIPE loader/RAT. The rule monitors for EDR indicators of evasion such as syscall stub execution, direct/indirect Nt* system call invocation, or call stacks originating outside of ntdll.dll, intended to bypass userland security hooks.
Detects the execution of known PIVOTPIPE RAT binary files based on their SHA256 hashes or file names. PIVOTPIPE RAT is capable of token manipulation and impersonation techniques (e.g., ImpersonateLoggedOnUser, DuplicateTokenEx) to perform privileged operations or escalate security context.
Detects potential process injection attempts by unidentified executable files originating from suspicious directories (AppData or Temp) targeting critical system or service processes (e.g., explorer.exe, svchost.exe). The rule monitors CreateRemoteThread events and excludes signed dotnet host processes, characteristic of Hannibal Stealer behavior.
This rule detects instances where AutoIt (AutoIt3.exe) is observed performing process injection or launching suspicious binaries (RegSvcs.exe or mobsync.exe). Attackers frequently use AutoIt for process automation and to execute malicious payloads, and leveraging legitimate binaries like RegSvcs.exe is a known technique for bypassing defenses.
Detects instances where the suspicious binary 'x47_bot.exe' performs process injection or hollows a process, followed by an attempt to gain or elevate privileges (such as via UAC bypass, token manipulation, or privilege checking) on the same host within a 15-minute window.
Detects instances where msbuild.exe is spawned from suspicious parent processes without valid project files and subsequently receives cross-process injection activity (such as CreateRemoteThread or WriteProcessMemory) within a short timeframe. This behavior is indicative of an adversary attempting to use MSBuild to proxy malicious code execution.
Detects instances where msbuild.exe is spawned from suspicious parent processes without valid project files and subsequently receives cross-process injection activity (such as CreateRemoteThread or WriteProcessMemory) within a short timeframe. This behavior is indicative of an adversary attempting to use MSBuild to proxy malicious code execution.
Detects instances where msbuild.exe is spawned from suspicious parent processes without valid project files and subsequently receives cross-process injection activity (such as CreateRemoteThread or WriteProcessMemory) within a short timeframe. This behavior is indicative of an adversary attempting to use MSBuild to proxy malicious code execution.
Detects a potential process hollowing technique where 'Finalized.dll' (loaded from unconventional locations like a ComponentsFolder or System32) is used to spawn 'clspack.exe' in a suspended state from a non-standard path (e.g., AppData\Microsoft). This sequence indicates an attempt to mask malicious execution under a legitimate process name.
Detects a potential process hollowing technique where 'Finalized.dll' (loaded from unconventional locations like a ComponentsFolder or System32) is used to spawn 'clspack.exe' in a suspended state from a non-standard path (e.g., AppData\Microsoft). This sequence indicates an attempt to mask malicious execution under a legitimate process name.
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