Kaung Khant Ko
@kaungkhantkoTrusted contributorCompletionist
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410 detections
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Detects HTTP requests where the Cookie header contains the specific prefixes 'euconsent-v2=' or 'zd_cs_pm=', which are used by the OceanLotus SPECTRALVIPER backdoor to exfiltrate encrypted host profiling data.
This rule detects suspicious outbound network connections initiated by an IIS worker process (w3wp.exe) to non-standard ports. This behavior can indicate a web shell or other compromise establishing Command and Control (C2) communication, potentially for data exfiltration or further malicious activity. The rule specifically looks for successful connections where the remote port is not commonly used for web traffic (80 or 443).
Detects the execution of the 'whoami' command when its base64 encoded string ('d2hvYW1p') appears in a process command line. This pattern is often associated with web shells or other malicious activity attempting to gain system information.
Identifies the creation of '.node' payload modules by Lucid Stealer in the Common AppData folder, indicative of the SEA payload staging its remote control and theft modules. This rule specifically looks for file creation events where the file name ends with '.node' and the folder path matches a pattern under the user's local AppData 'Common' folder.
Detects outbound network connections to known Command and Control (C2) IP addresses associated with the OP-512 threat actor, which are used as fallback infrastructure, including Meterpreter. This rule specifically looks for connections to '43.160.202.246' and '140.206.161.227'.
Detects the execution of IntelAudioService.exe (a renamed dtlupdate.exe) using specific command-line arguments to side-load the SPECTRALVIPER backdoor. This activity is associated with OceanLotus (APT32) operations targeting Vietnam.
Detects an initial payload downloader, specifically 'Browser_Updater.exe', initiating network connections to retrieve an MSI payload disguised as an 'iis.jpg' file. This rule identifies suspicious network activity based on the process name and specific network indicators (IP address or URL pattern).
Detects privilege escalation attempts utilizing PowerShell's Start-Process cmdlet with the 'RunAs' verb. This technique can be used by malware like Lucid Stealer's UAC module to elevate privileges.
Identifies the creation of '.node' payload modules by Lucid Stealer in the Common AppData folder, indicative of the SEA payload staging its remote control and theft modules. This rule specifically looks for file creation events where the file name ends with '.node' and the folder path matches a pattern under the user's local AppData 'Common' folder.
Detects the staging of the Lucid Stealer hidden self-copy loader and the SQLite CLI helper binary in the Temp directory. This rule specifically looks for file creation events in the user's Temp directory with filenames matching patterns associated with Lucid Stealer's staging activities: 'winupd_*.exe' for its self-copy loader and '_sq3e_*.exe' for its SQLite helper.
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