Arnold Chan
@slazTrusted contributorCompletionist
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7,555 detections
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Detects outbound network connections from a device to the 'gapidriver.com' domain, specifically targeting the '/api/rest.php' endpoint. This activity is often associated with malware command and control communication.
Detects outbound network connections from a device to the 'gapidriver.com' domain, specifically targeting the '/api/rest.php' endpoint. This activity is often associated with malware command and control communication.
Detects outbound network connections from a device to the 'gapidriver.com' domain, specifically targeting the '/api/rest.php' endpoint. This activity is often associated with malware command and control communication.
Detects outbound network connections from a device to the 'gapidriver.com' domain, specifically targeting the '/api/rest.php' endpoint. This activity is often associated with malware command and control communication.
This rule monitors for inbound external emails where the sender requests private communication (e.g., 'private email' or 'personal address') in combination with keywords related to sensitive business topics like M&A, legal, or urgent financial transactions. This pattern is characteristic of Business Email Compromise (BEC) or social engineering attempts designed to move sensitive conversations outside of monitored corporate channels.
Detects inbound emails originating from external, non-corporate domains that impersonate an internal executive's display name. The rule flags messages containing common Business Email Compromise (BEC) urgency or confidentiality triggers such as 'wire transfer', 'urgent', 'NDA', or 'private email'.
Detects inbound emails originating from external, non-corporate domains that impersonate an internal executive's display name. The rule flags messages containing common Business Email Compromise (BEC) urgency or confidentiality triggers such as 'wire transfer', 'urgent', 'NDA', or 'private email'.
Detects repeated manual HTTP GET requests from many distinct source IPs to a canary token resource. The URI pattern follows a format indicative of a tracked canary token resource, and the threshold of 49 unique source IPs accessing the resource within a prolonged period suggests potential unauthorized reconnaissance or probing activities.
Detects high-frequency, repeated access to a specific fraud-tracking or canary token link by sources utilizing rotating VPNs or proxies over an extended period. This behavior is indicative of automated probing or credential validation attempts associated with the Phantom Deal campaign.
Detects a specific adversary pattern termed 'Phantom Deal' where a user is socially engineered into disabling their VPN (by claiming a link won't open), followed immediately by a rapid succession of accesses to the same tracking or canary link from that user account. The rule correlates sign-in events indicating a shift in VPN or MFA context with subsequent bursts of URL clicks.
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