Rule Library

Sigma Rules

1,487 rules found for "execution"

3,731Total
3,132Detection
457Emerging
139Hunting
Emerging Threatcriticaltest

CVE-2021-1675 Print Spooler Exploitation

Detects driver load events print service operational log that are a sign of successful exploitation attempts against print spooler vulnerability CVE-2021-1675

Windowsprintservice-operational
Florian Roth (Nextron Systems)Thu Jul 012021
Emerging Threatcriticaltest

CVE-2021-1675 Print Spooler Exploitation IPC Access

Detects remote printer driver load from Detailed File Share in Security logs that are a sign of successful exploitation attempts against print spooler vulnerability CVE-2021-1675 and CVE-2021-34527

Windowssecurity
INIT_6Fri Jul 022021
Emerging Threatmediumstable

Possible PrintNightmare Print Driver Install - CVE-2021-1675

Detects the remote installation of a print driver which is possible indication of the exploitation of PrintNightmare (CVE-2021-1675). The occurrence of print drivers being installed remotely via RPC functions should be rare, as print drivers are normally installed locally and or through group policy.

Zeek (Bro)dce_rpc
Mon Aug 232021
Emerging Threathightest

CVE-2021-21972 VSphere Exploitation

Detects the exploitation of VSphere Remote Code Execution vulnerability as described in CVE-2021-21972

Web Server Log
Bhabesh RajWed Feb 242021
Emerging Threathightest

Potential Atlassian Confluence CVE-2021-26084 Exploitation Attempt

Detects spawning of suspicious child processes by Atlassian Confluence server which may indicate successful exploitation of CVE-2021-26084

WindowsProcess Creation
Bhabesh RajWed Sep 082021
Emerging Threathighstable

Potential CVE-2021-26857 Exploitation Attempt

Detects possible successful exploitation for vulnerability described in CVE-2021-26857 by looking for | abnormal subprocesses spawning by Exchange Server's Unified Messaging service

WindowsProcess Creation
Bhabesh RajWed Mar 032021
Emerging Threathightest

CVE-2021-26858 Exchange Exploitation

Detects possible successful exploitation for vulnerability described in CVE-2021-26858 by looking for creation of non-standard files on disk by Exchange Server’s Unified Messaging service which could indicate dropping web shells or other malicious content

WindowsFile Event
Bhabesh RajWed Mar 032021
Emerging Threatcriticaltest

CVE-2021-31979 CVE-2021-33771 Exploits by Sourgum

Detects patterns as noticed in exploitation of Windows CVE-2021-31979 CVE-2021-33771 vulnerability and DevilsTongue malware by threat group Sourgum

WindowsFile Event
Sittikorn SFri Jul 162021
Emerging Threatcriticaltest

CVE-2021-31979 CVE-2021-33771 Exploits

Detects patterns as noticed in exploitation of Windows CVE-2021-31979 CVE-2021-33771 vulnerability and DevilsTongue malware by threat group Sourgum

WindowsRegistry Set
Sittikorn S+1Fri Jul 162021
Emerging Threathighstable

OMIGOD HTTP No Authentication RCE - CVE-2021-38647

Detects the exploitation of OMIGOD (CVE-2021-38647) which allows remote execute (RCE) commands as root with just a single unauthenticated HTTP request. Verify, successful, exploitation by viewing the HTTP client (request) body to see what was passed to the server (using PCAP). Within the client body is where the code execution would occur. Additionally, check the endpoint logs to see if suspicious commands or activity occurred within the timeframe of this HTTP request.

Zeek (Bro)http
Nate Guagenti (neu5ron)Mon Sep 202021
Emerging Threathightest

Potential CVE-2021-40444 Exploitation Attempt

Detects potential exploitation of CVE-2021-40444 via suspicious process patterns seen in in-the-wild exploitations

WindowsProcess Creation
Florian Roth (Nextron Systems)Wed Sep 082021
Emerging Threathightest

Potential Exploitation Attempt From Office Application

Detects Office applications executing a child process that includes directory traversal patterns. This could be an attempt to exploit CVE-2022-30190 (MSDT RCE) or CVE-2021-40444 (MSHTML RCE)

WindowsProcess Creation
Christian Burkard (Nextron Systems)+1Thu Jun 022021
Emerging Threathightest

CVE-2021-44077 POC Default Dropped File

Detects the creation of "msiexec.exe" in the "bin" directory of the ManageEngine SupportCenter Plus (Related to CVE-2021-44077) and public POC available (See references section)

WindowsFile Event
Nasreddine Bencherchali (Nextron Systems)Mon Jun 062021
Emerging Threathightest

Potential BlackByte Ransomware Activity

Detects command line patterns used by BlackByte ransomware in different operations

WindowsProcess Creation
Florian Roth (Nextron Systems)Fri Feb 252021
Emerging Threatcriticaltest

DarkSide Ransomware Pattern

Detects DarkSide Ransomware and helpers

WindowsProcess Creation
Florian Roth (Nextron Systems)Fri May 142021
Emerging Threathightest

Goofy Guineapig Backdoor IOC

Detects malicious indicators seen used by the Goofy Guineapig malware

WindowsFile Event
Nasreddine Bencherchali (Nextron Systems)Sun May 142021
Emerging Threathightest

Potential Goofy Guineapig Backdoor Activity

Detects a specific broken command that was used by Goofy-Guineapig as described by the NCSC report.

WindowsProcess Creation
X__Junior (Nextron Systems)Sun May 142021
Emerging Threatcriticaltest

HAFNIUM Exchange Exploitation Activity

Detects activity observed by different researchers to be HAFNIUM group activity (or related) on Exchange servers

WindowsProcess Creation
Florian Roth (Nextron Systems)Tue Mar 092021
Emerging Threatcriticaltest

REvil Kaseya Incident Malware Patterns

Detects process command line patterns and locations used by REvil group in Kaseya incident (can also match on other malware)

WindowsProcess Creation
Florian Roth (Nextron Systems)Sat Jul 032021
Emerging Threathightest

Potential CVE-2023-21554 QueueJumper Exploitation

Detects potential exploitation of CVE-2023-21554 (dubbed QueueJumper)

WindowsProcess Creation
Nasreddine Bencherchali (Nextron Systems)Wed Apr 122022
Emerging Threathightest

Potential CVE-2022-21587 Exploitation Attempt

Detects potential exploitation attempts of CVE-2022-21587 an arbitrary file upload vulnerability impacting Oracle E-Business Suite (EBS). CVE-2022-21587 can lead to unauthenticated remote code execution.

Web Server Log
Isa AlmannaeiMon Feb 132022
Emerging Threatlowtest

Potential Exploitation of CVE-2022-21919 or CVE-2021-34484 for LPE

Detects potential exploitation attempts of CVE-2022-21919 or CVE-2021-34484 leading to local privilege escalation via the User Profile Service. During exploitation of this vulnerability, two logs (Provider_Name: Microsoft-Windows-User Profiles Service) with EventID 1511 and 1515 are created (EventID 1515 may generate many false positives). Additionally, the directory \Users\TEMP may be created during exploitation. This behavior was observed on Windows Server 2008.

Windowsapplication
CybexTue Aug 162022
Emerging Threatmediumtest

Potential CVE-2022-22954 Exploitation Attempt - VMware Workspace ONE Access Remote Code Execution

Detects potential exploitation attempt of CVE-2022-22954, a remote code execution vulnerability in VMware Workspace ONE Access and Identity Manager. As reported by Morphisec, part of the attack chain, threat actors used PowerShell commands that executed as a child processes of the legitimate Tomcat "prunsrv.exe" process application.

WindowsProcess Creation
kostastsaleMon Apr 252022
Emerging Threathightest

CVE-2022-24527 Microsoft Connected Cache LPE

Detects files created during the local privilege exploitation of CVE-2022-24527 Microsoft Connected Cache

WindowsFile Event
Florian Roth (Nextron Systems)Wed Apr 132022
Emerging Threathightest

Atlassian Confluence CVE-2022-26134

Detects spawning of suspicious child processes by Atlassian Confluence server which may indicate successful exploitation of CVE-2022-26134

LinuxProcess Creation
Nasreddine Bencherchali (Nextron Systems)Fri Jun 032022
Emerging Threathightest

Potential CVE-2022-26809 Exploitation Attempt

Detects suspicious remote procedure call (RPC) service anomalies based on the spawned sub processes (long shot to detect the exploitation of vulnerabilities like CVE-2022-26809)

WindowsProcess Creation
Florian Roth (Nextron Systems)Wed Apr 132022
Emerging Threathightest

Potential CVE-2022-29072 Exploitation Attempt

Detects potential exploitation attempts of CVE-2022-29072, a 7-Zip privilege escalation and command execution vulnerability. 7-Zip version 21.07 and earlier on Windows allows privilege escalation (CVE-2022-29072) and command execution when a file with the .7z extension is dragged to the Help>Contents area. This is caused by misconfiguration of 7z.dll and a heap overflow. The command runs in a child process under the 7zFM.exe process.

WindowsProcess Creation
François HubautSun Apr 172022
Emerging Threatmediumtest

CVE-2022-31659 VMware Workspace ONE Access RCE

Detects possible exploitation of VMware Workspace ONE Access Admin Remote Code Execution vulnerability as described in CVE-2022-31659

Web Server Log
Nasreddine Bencherchali (Nextron Systems)Fri Aug 122022
Emerging Threathightest

Suspicious Sysmon as Execution Parent

Detects suspicious process executions in which Sysmon itself is the parent of a process, which could be a sign of exploitation (e.g. CVE-2022-41120)

WindowsProcess Creation
Florian Roth (Nextron Systems)+1Thu Nov 102022
Emerging Threathightest

Potential Centos Web Panel Exploitation Attempt - CVE-2022-44877

Detects potential exploitation attempts that target the Centos Web Panel 7 Unauthenticated Remote Code Execution CVE-2022-44877

Web Server Log
Nasreddine Bencherchali (Nextron Systems)Fri Jan 202022
Emerging Threathightest

Potential Bumblebee Remote Thread Creation

Detects remote thread injection events based on action seen used by bumblebee

WindowsRemote Thread Creation
Nasreddine Bencherchali (Nextron Systems)Tue Sep 272022
Emerging Threathightest

ChromeLoader Malware Execution

Detects execution of ChromeLoader malware via a registered scheduled task

WindowsProcess Creation
kostastsaleMon Jan 102022
Emerging Threathightest

Emotet Loader Execution Via .LNK File

Detects the Emotet Epoch4 loader as reported by @malware_traffic back in 2022. The ".lnk" file was delivered via phishing campaign.

WindowsProcess Creation
kostastsaleFri Apr 222022
Emerging Threathightest

Hermetic Wiper TG Process Patterns

Detects process execution patterns found in intrusions related to the Hermetic Wiper malware attacks against Ukraine in February 2022

WindowsProcess Creation
Florian Roth (Nextron Systems)Fri Feb 252022
Emerging Threathightest

Raspberry Robin Subsequent Execution of Commands

Detects raspberry robin subsequent execution of commands.

WindowsProcess Creation
kostastsaleFri May 062022
Emerging Threathightest

Raspberry Robin Initial Execution From External Drive

Detects the initial execution of the Raspberry Robin malware from an external drive using "Cmd.EXE".

WindowsProcess Creation
kostastsaleFri May 062022
Emerging Threathightest

Potential Raspberry Robin Dot Ending File

Detects commandline containing reference to files ending with a "." This scheme has been seen used by raspberry-robin

WindowsProcess Creation
Nasreddine Bencherchali (Nextron Systems)Fri Oct 282022
Emerging Threathightest

Serpent Backdoor Payload Execution Via Scheduled Task

Detects post exploitation execution technique of the Serpent backdoor. According to Proofpoint, one of the commands that the backdoor ran was via creating a temporary scheduled task using an unusual method. It creates a fictitious windows event and a trigger in which once the event is created, it executes the payload.

WindowsProcess Creation
kostastsaleMon Mar 212022
Emerging Threathightest

FakeUpdates/SocGholish Activity

Detects initial execution of FakeUpdates/SocGholish malware via wscript that later executes commands via cmd or powershell.

WindowsProcess Creation
kostastsaleThu Jun 162022
Emerging Threathightest

MSSQL Extended Stored Procedure Backdoor Maggie

This rule detects the execution of the extended storage procedure backdoor named Maggie in the context of Microsoft SQL server

Windowsapplication
Denis Szadkowski+1Sun Oct 092022
Emerging Threathightest

Potential ACTINIUM Persistence Activity

Detects specific process parameters as used by ACTINIUM scheduled task persistence creation.

WindowsProcess Creation
Andreas HunkelerMon Feb 072022
Emerging Threathightest

MERCURY APT Activity

Detects suspicious command line patterns seen being used by MERCURY APT

WindowsProcess Creation
Florian Roth (Nextron Systems)Fri Aug 262022
Emerging Threathightest

MSMQ Corrupted Packet Encountered

Detects corrupted packets sent to the MSMQ service. Could potentially be a sign of CVE-2023-21554 exploitation

Windowsapplication
Nasreddine Bencherchali (Nextron Systems)Fri Apr 212023
Emerging Threathightest

CVE-2023-22518 Exploitation Attempt - Suspicious Confluence Child Process (Linux)

Detects exploitation attempt of CVE-2023-22518 (Confluence Data Center / Confluence Server), where an attacker can exploit vulnerable endpoints to e.g. create admin accounts and execute arbitrary commands.

LinuxProcess Creation
Andreas Braathen (mnemonic.io)Tue Nov 142023
Emerging Threatmediumtest

CVE-2023-22518 Exploitation Attempt - Suspicious Confluence Child Process (Windows)

Detects exploitation attempt of CVE-2023-22518 (Confluence Data Center / Confluence Server), where an attacker can exploit vulnerable endpoints to e.g. create admin accounts and execute arbitrary commands.

WindowsProcess Creation
Andreas Braathen (mnemonic.io)Tue Nov 142023
Emerging Threathightest

Potential CVE-2023-25717 Exploitation Attempt

Detects a potential exploitation attempt of CVE-2023-25717 a Remote Code Execution via an unauthenticated HTTP GET Request, in Ruckus Wireless Admin

Web Server Log
Nasreddine Bencherchali (Nextron Systems)Tue May 302023
Emerging Threatmediumtest

Potential MOVEit Transfer CVE-2023-34362 Exploitation - Dynamic Compilation Via Csc.EXE

Detects the execution of "csc.exe" via "w3wp.exe" process. MOVEit affected hosts execute "csc.exe" via the "w3wp.exe" process to dynamically compile malicious DLL files. MOVEit is affected by a critical vulnerability. Exploited hosts show evidence of dynamically compiling a DLL and writing it under C:\\Windows\\Microsoft\.NET\\Framework64\\v4\.0\.30319\\Temporary ASP\.NET Files\\root\\([a-z0-9]{5,12})\\([a-z0-9]{5,12})\\App_Web_[a-z0-9]{5,12}\.dll. Hunting Opportunity Events from IIS dynamically compiling binaries via the csc.exe on behalf of the MOVEit application, especially since May 27th should be investigated.

WindowsProcess Creation
kostastsaleThu Jun 012023
Emerging Threatmediumtest

Potential CVE-2023-36874 Exploitation - Uncommon Report.Wer Location

Detects the creation of a "Report.wer" file in an uncommon folder structure. This could be a sign of potential exploitation of CVE-2023-36874.

WindowsFile Event
Nasreddine Bencherchali (Nextron Systems)Wed Aug 232023