Ibrahim Saud
@tektrixIndiaCompletionist
2 followers18,458 downloads7,116 copies47 likes38,542 views
11,679 detections
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Detects sign-in activity where an attacker or user fails a phishing-resistant MFA challenge (such as FIDO2, Windows Hello, or Passwordless Phone) and immediately succeeds using a lower-assurance, phishable factor (SMS, Voice call, or Push notification). This pattern is indicative of an Adversary-in-the-Middle (AiTM) attack attempting to bypass stronger authentication methods.
Detects a suspicious authentication pattern involving 3 or more MFA failures within 15 minutes, immediately followed by an MFA success for the same user. This pattern is characteristic of potential Adversary-in-the-Middle (AiTM) activity, where an attacker intercepts a session or MFA token and relays it through separate infrastructure, while the legitimate user's own MFA attempts fail or time out.
Detects network traffic attempting to exploit CVE-2021-33044, an authentication bypass vulnerability in Dahua NetKeyboard devices, by identifying specific login request strings used in the exploit chain.
Detects network traffic associated with the SilkParasite threat actor, specifically identifying the use of typosquatted domain names in TLS Server Name Indication (SNI) fields and a suspicious TLS CA certificate subject.
Detects outbound TCP traffic originating from internal hosts to known command and control infrastructure associated with the SilkParasite campaign and the SpiceRAT malware family.
Detects repeated authentication login attempts (opcode 0xA0) against Dahua Easy4IP devices over TCP port 37777, indicative of a brute-force or credential stuffing attack.
Detects outbound TCP traffic originating from internal hosts to known command and control infrastructure associated with the SilkParasite campaign and the SpiceRAT malware family.
Detects network activity related to the exploitation of the CVE-2025-31702 vulnerability in Dahua P2P Relay services. The rules monitor for probe attempts, device parameter fetching (randsalt), serial number enumeration bursts, and successful no-auth channel responses, indicating a bypass of authentication mechanisms on vulnerable Dahua devices.
Detects high-frequency login attempts directed at the management CGI interface of Dahua camera devices. The rule identifies multiple attempts from a specific source IP towards the camera's authentication endpoints (login, RPC2_Login) over common management ports (80, 37777).
Detects high-volume, automated attempts to validate AWS credentials (access keys) from a single source IP address within a short time window. This pattern, characterized by a large number of distinct access keys being tested against identity-confirming API calls (e.g., GetCallerIdentity, AssumeRole) with a mix of success and failure, is indicative of automated credential harvesting or reconnaissance campaigns.
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