Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
711 detections
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Detects the creation of specific text files in the AppData directory, which is a known behavior of the Katz Stealer malware after it successfully decrypts and dumps browser master keys.
Detects indicators of compromise (IOCs) associated with the Ducktail Infostealer malware. This malware often targets Facebook Business accounts and exfiltrates data such as browser cookies, cryptocurrency wallet information, and account details.
KQL Query from file: T1555.003 - Credentials from Web Browsers
Detects initial execution patterns and stealer activities used by KimJongRAT PE and PowerShell variants, including LNK/HTA execution, certutil decoding, rundll32 execution, and PowerShell-based data collection.
Identifies suspicious access to sensitive browser files by processes commonly used by Lumma Stealer, expanding coverage to include more browsers based on observed configurations.
Detects the execution pattern of TerraStealerV2 and TerraLogger where regsvr32.exe loads an OCX file from a user's temporary directory, a known technique used by Golden Chickens.
Adversaries may acquire credentials from web browsers by reading files specific to the target browser.
Web browsers commonly save credentials such as website usernames and passwords so that they do not need to be entered manually in the future.
Web browsers typically store the credentials in an encrypted format within a credential store.
Web browsers commonly save credentials such as website usernames and passwords so that they do not need to be entered manually in the future.
Web browsers typically store the credentials in an encrypted format within a credential store.
Detects file access requests to browser credential stores by uncommon processes. Could indicate potential attempt of credential stealing This rule requires heavy baselining before usage.
Adversaries may acquire credentials from web browsers by reading files specific to the target browser.
Web browsers commonly save credentials such as website usernames and passwords so that they do not need to be entered manually in the future.
Web browsers typically store the credentials in an encrypted format within a credential store.
Web browsers commonly save credentials such as website usernames and passwords so that they do not need to be entered manually in the future.
Web browsers typically store the credentials in an encrypted format within a credential store.
Detects commandline keywords indicative of potential usge of the tool WinPwn. A tool for Windows and Active Directory reconnaissance and exploitation.
Detects the execution of WebBrowserPassView.exe. A password recovery tool that reveals the passwords stored by the following Web browsers, Internet Explorer (Version 4.0 - 11.0), Mozilla Firefox (All Versions), Google Chrome, Safari, and Opera
Detects scriptblock text keywords indicative of potential usge of the tool WinPwn. A tool for Windows and Active Directory reconnaissance and exploitation.
Detects commandline keywords indicative of potential usge of the tool WinPwn. A tool for Windows and Active Directory reconnaissance and exploitation.
Adversaries may acquire credentials from web browsers by reading files specific to the target browser.
Web browsers commonly save credentials such as website usernames and passwords so that they do not need to be entered manually in the future.
Web browsers typically store the credentials in an encrypted format within a credential store.
Web browsers commonly save credentials such as website usernames and passwords so that they do not need to be entered manually in the future.
Web browsers typically store the credentials in an encrypted format within a credential store.
Detect usage of the "sqlite" binary to query databases in Chromium-based browsers for potential data stealing.
Adversaries may acquire credentials from web browsers by reading files specific to the target browser.
Web browsers commonly save credentials such as website usernames and passwords so that they do not need to be entered manually in the future.
Web browsers typically store the credentials in an encrypted format within a credential store.
Web browsers commonly save credentials such as website usernames and passwords so that they do not need to be entered manually in the future.
Web browsers typically store the credentials in an encrypted format within a credential store.
Detect usage of the "sqlite" binary to query databases in Chromium-based browsers for potential data stealing.
Detects the execution of WebBrowserPassView.exe. A password recovery tool that reveals the passwords stored by the following Web browsers, Internet Explorer (Version 4.0 - 11.0), Mozilla Firefox (All Versions), Google Chrome, Safari, and Opera
StrRAT is a Java-based remote access tool which steals browser credentials, logs keystrokes and take remote control of infected systems. It also has a module to download additional payload onto to the infected machine based on C2 server command. Additionally, this threat also has a ransomware encryption/decryption module which appends .crimson extension.
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 possible DoublePulsar execution events.
See Detect web server exploitation by DoublePulsar for a query that detects behaviors associated with campaigns that use DoublePulsar.
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 possible DoublePulsar execution events.
See Detect web server exploitation by DoublePulsar for a query that detects behaviors associated with campaigns that use DoublePulsar.
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
Detects file access requests to browser credential stores by uncommon processes. This could indicate a potential attempt at credential stealing. This rule requires heavy baselining before usage.
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