Rule Library

Sigma Rules

809 rules found for "privilege-escalation"

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

Defrag Deactivation - Security

Detects the deactivation and disabling of the Scheduled defragmentation task as seen by Slingshot APT group

Windowssecurity
Florian Roth (Nextron Systems)+1Mon Mar 042018
Emerging Threathightest

Potential BearLPE Exploitation

Detects potential exploitation of the BearLPE exploit using Task Scheduler ".job" import arbitrary DACL write\par

WindowsProcess Creation
Olaf HartongWed May 222019
Emerging Threathightest

Exploiting SetupComplete.cmd CVE-2019-1378

Detects exploitation attempt of privilege escalation vulnerability via SetupComplete.cmd and PartnerSetupComplete.cmd described in CVE-2019-1378

WindowsProcess Creation
Florian Roth (Nextron Systems)+2Fri Nov 152019
Emerging Threatcriticalstable

Exploiting CVE-2019-1388

Detects an exploitation attempt in which the UAC consent dialogue is used to invoke an Internet Explorer process running as LOCAL_SYSTEM

WindowsProcess Creation
Florian Roth (Nextron Systems)Wed Nov 202019
Emerging Threatcriticaltest

Sudo Privilege Escalation CVE-2019-14287 - Builtin

Detects users trying to exploit sudo vulnerability reported in CVE-2019-14287

Linuxsudo
Florian Roth (Nextron Systems)Tue Oct 152019
Emerging Threathightest

Sudo Privilege Escalation CVE-2019-14287

Detects users trying to exploit sudo vulnerability reported in CVE-2019-14287

LinuxProcess Creation
Florian Roth (Nextron Systems)Tue Oct 152019
Emerging Threatcriticalstable

Potential Dridex Activity

Detects potential Dridex acitvity via specific process patterns

WindowsProcess Creation
Florian Roth (Nextron Systems)+2Thu Jan 102019
Emerging Threathighstable

Potential Ryuk Ransomware Activity

Detects Ryuk ransomware activity

WindowsProcess Creation
Florian Roth (Nextron Systems)+2Mon Dec 162019
Emerging Threathightest

Operation Wocao Activity

Detects activity mentioned in Operation Wocao report

WindowsProcess Creation
Florian Roth (Nextron Systems)+1Fri Dec 202019
Emerging Threathightest

Operation Wocao Activity - Security

Detects activity mentioned in Operation Wocao report

Windowssecurity
Florian Roth (Nextron Systems)+1Fri Dec 202019
Emerging Threatcriticaltest

Leviathan Registry Key Activity

Detects registry key used by Leviathan APT in Malaysian focused campaign

WindowsRegistry Event
Aidan BracherTue Jul 072020
Emerging Threathightest

Suspicious VBScript UN2452 Pattern

Detects suspicious inline VBScript keywords as used by UNC2452

WindowsProcess Creation
Florian Roth (Nextron Systems)Fri Mar 052020
Emerging Threathightest

TAIDOOR RAT DLL Load

Detects specific process characteristics of Chinese TAIDOOR RAT malware load

WindowsProcess Creation
Florian Roth (Nextron Systems)Thu Jul 302020
Emerging Threatcriticaltest

Winnti Malware HK University Campaign

Detects specific process characteristics of Winnti malware noticed in Dec/Jan 2020 in a campaign against Honk Kong universities

WindowsProcess Creation
Florian Roth (Nextron Systems)+1Sat Feb 012020
Emerging Threatcriticalstable

Winnti Pipemon Characteristics

Detects specific process characteristics of Winnti Pipemon malware reported by ESET

WindowsProcess Creation
Florian Roth (Nextron Systems)+1Thu Jul 302020
Emerging Threatcriticalstable

Antivirus PrinterNightmare CVE-2021-34527 Exploit Detection

Detects the suspicious file that is created from PoC code against Windows Print Spooler Remote Code Execution Vulnerability CVE-2021-34527 (PrinterNightmare), CVE-2021-1675 .

Antivirus Alert
Sittikorn S+2Thu Jul 012021
Emerging Threathightest

Potential PrintNightmare Exploitation Attempt

Detect DLL deletions from Spooler Service driver folder. This might be a potential exploitation attempt of CVE-2021-1675

WindowsFile Delete
Bhabesh RajThu Jul 012021
Emerging Threatcriticaltest

CVE-2021-1675 Print Spooler Exploitation Filename Pattern

Detects the default filename used in PoC code against print spooler vulnerability CVE-2021-1675

WindowsFile Event
Florian Roth (Nextron Systems)Tue Jun 292021
Emerging Threatinformationaltest

Windows Spooler Service Suspicious Binary Load

Detect DLL Load from Spooler Service backup folder. This behavior has been observed during the exploitation of the Print Spooler Vulnerability CVE-2021-1675 and CVE-2021-34527 (PrinterNightmare).

WindowsImage Load (DLL)
FPT.EagleEye+1Tue Jun 292021
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

PwnKit Local Privilege Escalation

Detects potential PwnKit exploitation CVE-2021-4034 in auth logs

Linuxauth
SreemanWed Jan 262021
Emerging Threatcriticaltest

InstallerFileTakeOver LPE CVE-2021-41379 File Create Event

Detects signs of the exploitation of LPE CVE-2021-41379 that include an msiexec process that creates an elevation_service.exe file

WindowsFile Event
Florian Roth (Nextron Systems)Mon Nov 222021
Emerging Threatcriticaltest

Potential CVE-2021-41379 Exploitation Attempt

Detects potential exploitation attempts of CVE-2021-41379 (InstallerFileTakeOver), a local privilege escalation (LPE) vulnerability where the attacker spawns a "cmd.exe" process as a child of Microsoft Edge elevation service "elevation_service" with "LOCAL_SYSTEM" rights

WindowsProcess Creation
Florian Roth (Nextron Systems)Mon Nov 222021
Emerging Threathightest

Suspicious Computer Account Name Change CVE-2021-42287

Detects the renaming of an existing computer account to a account name that doesn't contain a $ symbol as seen in attacks against CVE-2021-42287

Windowssecurity
Florian Roth (Nextron Systems)Wed Dec 222021
Emerging Threathightest

Suspicious RazerInstaller Explorer Subprocess

Detects a explorer.exe sub process of the RazerInstaller software which can be invoked from the installer to select a different installation folder but can also be exploited to escalate privileges to LOCAL SYSTEM

WindowsProcess Creation
Florian Roth (Nextron Systems)+1Mon Aug 232021
Emerging Threatcriticaltest

Potential SystemNightmare Exploitation Attempt

Detects an exploitation attempt of SystemNightmare in order to obtain a shell as LOCAL_SYSTEM

WindowsProcess Creation
Florian Roth (Nextron Systems)Wed Aug 112021
Emerging Threatcriticaltest

Moriya Rootkit File Created

Detects the creation of a file named "MoriyaStreamWatchmen.sys" in a specific location. This filename was reported to be related to the Moriya rootkit as described in the securelist's Operation TunnelSnake report.

WindowsFile Event
Bhabesh RajThu May 062021
Emerging Threathightest

Pingback Backdoor File Indicators

Detects the use of Pingback backdoor that creates ICMP tunnel for C2 as described in the trustwave report

WindowsFile Event
Bhabesh RajWed May 052021
Emerging Threathightest

Pingback Backdoor DLL Loading Activity

Detects the use of Pingback backdoor that creates ICMP tunnel for C2 as described in the trustwave report

WindowsImage Load (DLL)
Bhabesh RajWed May 052021
Emerging Threathightest

Pingback Backdoor Activity

Detects the use of Pingback backdoor that creates ICMP tunnel for C2 as described in the trustwave report

WindowsProcess Creation
Bhabesh RajWed May 052021
Emerging Threathightest

Small Sieve Malware CommandLine Indicator

Detects specific command line argument being passed to a binary as seen being used by the malware Small Sieve.

WindowsProcess Creation
Nasreddine Bencherchali (Nextron Systems)Fri May 192021
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 Threathightest

APT PRIVATELOG Image Load Pattern

Detects an image load pattern as seen when a tool named PRIVATELOG is used and rarely observed under legitimate circumstances

WindowsImage Load (DLL)
Florian Roth (Nextron Systems)Tue Sep 072021
Emerging Threathightest

SOURGUM Actor Behaviours

Suspicious behaviours related to an actor tracked by Microsoft as SOURGUM

WindowsProcess Creation
MSTIC+1Tue Jun 152021
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 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 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

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 Threathightest

Potential Nimbuspwn Exploit CVE-2022-29799 and CVE-2022-27800

Detects potential exploitation attempts of Nimbuspwn vulnerabilities CVE-2022-29799 and CVE-2022-27800 in Linux systems.

Linux
Bhabesh RajWed May 042022
Emerging Threathightest

Potential KDC RC4-HMAC Downgrade Exploit - CVE-2022-37966

Detects the exploitation of a security bypass and elevation of privilege vulnerability with Authentication Negotiation by using weak RC4-HMAC negotiation

Windowssystem
Florian Roth (Nextron Systems)Wed Nov 092022
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

ChromeLoader Malware Execution

Detects execution of ChromeLoader malware via a registered scheduled task

WindowsProcess Creation
kostastsaleMon Jan 102022
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

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

Exploitation Indicators Of CVE-2023-20198

Detecting exploitation indicators of CVE-2023-20198 a privilege escalation vulnerability in Cisco IOS XE Software Web UI.

Ciscosyslog
Lars B. P. Frydenskov (Trifork Security)Fri Oct 202023
Emerging Threathightest

Injected Browser Process Spawning Rundll32 - GuLoader Activity

Detects the execution of installed GuLoader malware on the host. GuLoader is initiating network connections via the rundll32.exe process that is spawned via a browser parent(injected) process.

WindowsProcess Creation
kostastsaleMon Aug 072023
Emerging Threathightest

Potential Pikabot Hollowing Activity

Detects the execution of rundll32 that leads to the invocation of legitimate Windows binaries. The malware Pikabot has been seen to use this technique for process hollowing through hard-coded Windows binaries

WindowsProcess Creation
Andreas Braathen (mnemonic.io)Fri Oct 272023