Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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This rule detects network traffic (DNS, TLS, HTTP, and TCP) originating from internal assets to known infrastructure associated with the QTFY proxy botnet/C2 framework. It identifies communication with specific C2 domains, proxy management systems, and associated malicious IP ranges.
Detects DNS queries for lookalike domains combining a government/brand-impersonation keyword (as its own label, not a substring) with a disposable TLD used across the IronToll campaign. Dropped the standalone 'digital' keyword, which was generic enough to match ordinary e-commerce domains on the same TLDs.
Detects DNS queries, TLS SNI, and HTTP Host header traffic associated with the IronToll phishing campaign. The rule specifically monitors for government-impersonating domains and lookalike domains utilizing various non-standard top-level domains (TLDs).
Detects DNS queries, TLS SNI, and HTTP Host header traffic associated with the IronToll phishing campaign. The rule specifically monitors for government-impersonating domains and lookalike domains utilizing various non-standard top-level domains (TLDs).
This rule detects DNS queries for the hardcoded domain 'gsx.uk.com', which is associated with the command-and-control (C2) infrastructure of BabylonRAT malware.
This rule detects DNS queries for the hardcoded domain 'gsx.uk.com', which is associated with the command-and-control (C2) infrastructure of BabylonRAT malware.
This rule detects DNS queries for the hardcoded domain 'gsx.uk.com', which is associated with the command-and-control (C2) infrastructure of BabylonRAT malware.
This rule detects DNS queries for the hardcoded domain 'gsx.uk.com', which is associated with the command-and-control (C2) infrastructure of BabylonRAT malware.
Detects DNS queries and TLS SNI traffic directed towards known phishing domains that mimic Brazilian financial and government portals, specifically targeting 'gerenciadorcaixa.digital', 'aapj.digital', and 'receitafederal.digital'.
Detects DNS queries and TLS SNI traffic related to known malicious domains used by threat actor groups Storm-3121 and Storm-3032 in passkey-themed phishing campaigns.
Detects DNS resolutions, TLS SNI, and HTTP host requests to known malicious phishing domains impersonating passkey and SSO infrastructure, often associated with Storm-3121/Storm-3032 activities.
Detects DNS queries for lookalike domains combining a government/brand-impersonation keyword (as its own label, not a substring) with a disposable TLD used across the IronToll campaign. Dropped the standalone 'digital' keyword, which was generic enough to match ordinary e-commerce domains on the same TLDs.
Detects DNS queries for lookalike domains combining a government/brand-impersonation keyword (as its own label, not a substring) with a disposable TLD used across the IronToll campaign. Dropped the standalone 'digital' keyword, which was generic enough to match ordinary e-commerce domains on the same TLDs.
This rule detects network traffic (DNS, TLS, HTTP, and TCP) originating from internal assets to known infrastructure associated with the QTFY proxy botnet/C2 framework. It identifies communication with specific C2 domains, proxy management systems, and associated malicious IP ranges.
Detects network activity and email headers associated with the DoppelBrand campaign. The rule monitors DNS queries for specific IOC domains (service-nowinc.com, domainlify.net) and inspects SMTP traffic for malicious MAIL FROM addresses and Reply-To headers targeting these domains.
Detects network activity and email headers associated with the DoppelBrand campaign. The rule monitors DNS queries for specific IOC domains (service-nowinc.com, domainlify.net) and inspects SMTP traffic for malicious MAIL FROM addresses and Reply-To headers targeting these domains.
Detects DNS queries for 'd.clash-verge-upgrade.com', a domain identified as a Command and Control (C2) fallback transport mechanism for the ProRAM malware.
Detects DNS queries and TLS SNI traffic directed towards domains identified as part of Storm-3121/Storm-3032 phishing campaigns. These domains are themed around passkey management and single sign-on (SSO) services, likely intended for credential harvesting.
Detects DNS queries for 'd.clash-verge-upgrade.com', a domain identified as a Command and Control (C2) fallback transport mechanism for the ProRAM malware.
Detects DNS A record lookups for the domain 'mail.uaiubifas.top', which is associated with GRAYRABBIT C2 activity linked to UNC3569. This domain is known to be used for command and control communications.
Detects DNS A record lookups for the domain 'mail.uaiubifas.top', which is associated with GRAYRABBIT C2 activity linked to UNC3569. This domain is known to be used for command and control communications.
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