Ibrahim Saud
@tektrixIndiaCompletionist
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11,679 detections
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Detects the creation of scheduled tasks using schtasks.exe that reference specific QEMU binaries, the 'TPMProfiler' task name, or suspicious disk image file extensions (vault.db, bisrv.dll, custom.qcow2). This activity is associated with GOLD ENCOUNTER, STAC4713, and STAC3725, who use QEMU-based virtual environments for defense evasion and persistence.
Detects repeated outbound network connections (HTTPS or HTTP) originating from QEMU emulator processes (qemu-system-x86_64 or qemu-system-i386). This activity is indicative of C2 beaconing or post-exploitation traffic originating from a virtualized guest hidden on a host system.
Detects the execution of QEMU emulator binaries (qemu-system-x86_64.exe, qemu-system-i386.exe, qemu.exe, qemu-img.exe) on a Windows host. This activity is associated with threat campaigns attempting to spawn hidden guest virtual machines to evade detection mechanisms and potentially stage ransomware or other malicious payloads.
Detects evidence of final-stage PayoutsKing or 3AM ransomware deployment by identifying the execution of shadow copy or backup catalog deletion commands on a host where the QEMU virtualization process is simultaneously active, indicative of ransomware activity following lateral movement via VM-based techniques.
Detects a suspicious execution chain where a PyInstaller-compiled loader named 'start.exe' spawns 'BQT.exe', which is the identified payload for the BQTLock (BaqiyatLock) ransomware. The rule monitors for process launch events where these specific filenames appear in a parent-child process relationship.
Detects unauthorized access to sensitive developer credential files and browser credential stores, typical of the IronWorm Rust-based infostealer. The rule monitors processes that are not known developer or browser tools as they read paths associated with AWS, SSH, Kubernetes, Docker, browser login data, and cryptocurrency wallets.
Detects HTTP requests that reference or serve the 'cors_exploit_poc.html' file, which is associated with the MexicanMafia (Operation Escaneo) actor's method of exploiting Cross-Origin Resource Sharing (CORS) misconfigurations. This exploit attempts to hijack active administrative sessions by leveraging CORS with 'withCredentials=true'.
Detects the unauthorized exfiltration of SSL private key files using Netcat to a known malicious C2 IP address (62.171.185.97). The rule monitors process execution commands that include specific file names associated with certificate harvesting or extraction tools being piped or transmitted over the network.
Detects LCRYX ransomware activity orchestrated by VBScript using wscript.exe or cscript.exe. The rule monitors for the mass encryption of files identified by the .lcryx extension and the creation of PLEASEREADME.txt ransom notes, typical behaviors of this ransomware variant.
Detects instances where wscript.exe spawns a child process of itself with the /elevated command-line flag, a behavior often indicative of attempts to bypass User Account Control (UAC) or gain elevated script execution privileges.
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