Ibrahim Saud
@tektrixIndiaCompletionist
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11,679 detections
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This rule detects two suspicious patterns related to authentication: (1) 'MFA Fatigue' or 'Push Bombing' where a user experiences a high volume of MFA push denials followed by an acceptance in a short timeframe, and (2) potential account takeover where a help-desk initiated password reset is followed by an MFA re-registration or new device enrollment by the same user within 30 minutes.
Detects the execution of PowerShell commands that enumerate files within sensitive user directories such as Desktop, Downloads, Documents, or OneDrive, using common cmdlets like Get-ChildItem with recurrence or filtering. This behavior is indicative of an adversary attempting to discover or stage files for exfiltration.
Detects the use of net.exe or net1.exe to establish an IPC$ share connection. This is a common method for lateral movement and reconnaissance by attackers to verify administrative access or interact with remote systems via SMB. The rule specifically flags commands involving the IPC$ share, with logic to identify if a specific user was specified or if an anonymous session was attempted.
This rule detects mass file modification, creation, or renaming activity involving files with the '.krsid' extension. The threshold is set to monitor for more than 20 occurrences, which is indicative of potential ransomware encryption activity, while explicitly excluding common system, temporary, and development paths, and filtering out processes explicitly performing shadow copy deletion.
Detects file creation events involving the 'SmartUploader' configuration file or process execution events referencing the tool, which may indicate unauthorized data collection or staging activity.
Detects the creation of files within the 'AppData\Local\SystemFolder32' directory. This path is non-standard and is frequently used by malware or unauthorized scripts to conceal malicious payloads or persistence mechanisms while masquerading as legitimate system components.
Detects rapid execution of multiple native Windows discovery commands (whoami, ipconfig, hostname, tasklist) within a short window, which is often indicative of an adversary performing environment reconnaissance post-compromise.
Detects instances where Windows Explorer spawns cmd.exe to execute specific batch files (doxc.bat or config.bat), a behavior often associated with Transparent Tribe (APT36) activity involving malicious LNK shortcuts.
Detects the creation of hard links using 'mklink /H' targeting specific paths in ProgramData or linking to specific executable paths in AppData. This behavior is often indicative of adversaries attempting to perform file system manipulation for persistence, defense evasion, or masquerading.
Detects the creation of hard links using 'mklink /H' targeting specific paths in ProgramData or linking to specific executable paths in AppData. This behavior is often indicative of adversaries attempting to perform file system manipulation for persistence, defense evasion, or masquerading.
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