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nomit vyas

@xoxo
Trusted contributorCompletionist
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694 detections

Detects the creation of specific directories (Bluetooth, ProShow, Adobe\Scripts) in the AppData folder by the Notepad++ updater (GUP.exe), a behavior associated with the Chrysalis backdoor persistence mechanism.
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nomit vyas@xoxo
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Detections.ai Community
9 months ago
2056
Detects the abuse of finger.exe as a download cradle, a technique used by the CrashFix campaign. This involves cmd.exe launching finger.exe (or a renamed copy) to retrieve a payload from a remote server and pipe it directly into cmd.exe for execution.
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nomit vyas@xoxo
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Detections.ai Community
9 months ago
1040
Detects a successful user login from a country that is on a restricted or high-risk list. This can indicate account compromise or policy violation.
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nomit vyas@xoxo
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Detections.ai Community
9 months ago
1053
Detects network traffic matching patterns associated with ModeloRAT C2 communication, such as connections to known C2 IPs or the use of a specific beaconing URI.
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nomit vyas@xoxo
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Detections.ai Community
9 months ago
4040
Detects persistence mechanism used by Valley RAT, associated with the Silver Fox APT. The malware stores its configuration or modular plugins as REG_BINARY data in the 'HKCU\Console' registry key.
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nomit vyas@xoxo
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Detections.ai Community
9 months ago
0039
Detects network connections to the typosquatted domain nexsnield.com, which is used by the malicious uBlock Origin Lite extension to track installations and correlate activity.
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nomit vyas@xoxo
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Detections.ai Community
9 months ago
1036
Detects process hollowing of tracerpt.exe, a technique used by the Valley RAT malware (associated with Silver Fox APT) to execute downloaded plugins. The rule identifies the creation of tracerpt.exe in a suspended state, followed by the creation of a remote thread within it, which is a strong indicator of code injection.
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nomit vyas@xoxo
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Detections.ai Community
9 months ago
1036
Detects potential exploitation of CVE-2026-25253, a 1-click RCE in OpenClaw, by identifying the 'gatewayUrl' query parameter in HTTP traffic. This parameter is used to hijack authentication tokens.
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nomit vyas@xoxo
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Detections.ai Community
9 months ago
2046
Detects network connections to known Command and Control (C2) infrastructure (domain or IP) associated with the Chrysalis backdoor, used in the Notepad++ supply chain attack.
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nomit vyas@xoxo
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Detections.ai Community
9 months ago
0046
This rule detects a highly suspicious activity where the Notepad++ updater process (GUP.exe) spawns the Windows Command Shell (cmd.exe) to execute various reconnaissance commands. This behavior is specifically linked to the Chrysalis backdoor, which was involved in a supply chain attack targeting Notepad++. The presence of commands like 'whoami', 'tasklist', 'systeminfo', 'ipconfig', and 'net' (with user, view, or group arguments) indicates an adversary attempting to gather information about the compromised system and network.
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nomit vyas@xoxo
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Detection & Hunting Community
9 months ago
1044
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