Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
938 detections
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Detects a suspicious scenario where a non-root process associated with Acronis backup plugins (typically used on cPanel, WHM, or Plesk servers) spawns a child process that executes with root privileges. This behavior is indicative of potential privilege escalation exploiting CVE-2026-87886.
Detects embedded CVE-2026-46300 (Fragnesia) Linux privilege escalation exploit code used by KATARU IoT malware, copied unmodified from public PoC
Detects the execution of the 'su' binary preceded by command-line strings that are highly indicative of known Linux privilege escalation exploits, specifically those targeting vulnerabilities like PwnKit (CVE-2021-4034). The rule monitors for common exploit payloads or status messages (e.g., 'prctl PR_SET_DUMPABLE', 'fork userns mapper') associated with successful exploitation attempts that manipulate environment variables or process attributes to elevate privileges to root, while filtering out legitimate container-related processes.
Detects KATARU IoT malware embedded exploit code for CVE-2026-31431 (Copy Fail) Linux privilege escalation, identified by shared exploit-chain strings and syscall sequences used to spawn su as root
Detects anomalous process execution where a non-privileged process spawns a child process with root/SYSTEM (uid 0) privileges without passing through recognized elevation binaries (e.g., sudo, su, pkexec). This behavior is consistent with post-exploitation privilege escalation techniques, such as exploiting hijacked file descriptors or callback structures to gain root authority.
Detects anomalous process execution where a non-privileged process spawns a child process with root/SYSTEM (uid 0) privileges without passing through recognized elevation binaries (e.g., sudo, su, pkexec). This behavior is consistent with post-exploitation privilege escalation techniques, such as exploiting hijacked file descriptors or callback structures to gain root authority.
Detects anomalous process execution where a non-privileged process spawns a child process with root/SYSTEM (uid 0) privileges without passing through recognized elevation binaries (e.g., sudo, su, pkexec). This behavior is consistent with post-exploitation privilege escalation techniques, such as exploiting hijacked file descriptors or callback structures to gain root authority.
This rule detects kernel crash signatures (e.g., use-after-free, kernel panic) in the pppoe module, correlated with preceding anomalous activity related to PPPoEject or PPPoE socket manipulation. It identifies potential exploitation of CVE-2026-68121 on non-gateway devices.
This rule detects kernel crash signatures (e.g., use-after-free, kernel panic) in the pppoe module, correlated with preceding anomalous activity related to PPPoEject or PPPoE socket manipulation. It identifies potential exploitation of CVE-2026-68121 on non-gateway devices.
This rule detects kernel crash signatures (e.g., use-after-free, kernel panic) in the pppoe module, correlated with preceding anomalous activity related to PPPoEject or PPPoE socket manipulation. It identifies potential exploitation of CVE-2026-68121 on non-gateway devices.
This rule detects kernel crash signatures (e.g., use-after-free, kernel panic) in the pppoe module, correlated with preceding anomalous activity related to PPPoEject or PPPoE socket manipulation. It identifies potential exploitation of CVE-2026-68121 on non-gateway devices.
Detects a suspected exploitation attempt of CVE-2026-81000, known as TUNderflow. The detection looks for a sequence of events where a process initializes a user namespace (unshare) followed by a kernel panic or error report from the tun/tap driver originating from the same process lineage within a short timeframe, which is indicative of an integer overflow exploit leading to kernel instability.
Detects a suspected exploitation attempt of CVE-2026-81000, known as TUNderflow. The detection looks for a sequence of events where a process initializes a user namespace (unshare) followed by a kernel panic or error report from the tun/tap driver originating from the same process lineage within a short timeframe, which is indicative of an integer overflow exploit leading to kernel instability.
Detects a suspected exploitation attempt of CVE-2026-81000, known as TUNderflow. The detection looks for a sequence of events where a process initializes a user namespace (unshare) followed by a kernel panic or error report from the tun/tap driver originating from the same process lineage within a short timeframe, which is indicative of an integer overflow exploit leading to kernel instability.
This rule detects kernel-level stability issues or crashes (ah6/ipsec related) occurring immediately after the execution of processes that create new user namespaces (unshare, clone with CLONE_NEWUSER). This pattern is often associated with exploitation of kernel vulnerabilities, where namespace manipulation is a prerequisite for triggering a crash or privilege escalation.
Detects high-frequency SCTP ASCONF/ADD-IP chunk packets originating from external networks. This behavior is indicative of a Denial-of-Service (DoS) exploit attempt targeting a vulnerability (CVE-2026-74469) related to DiagSpill transport_count integer wraparound.
Detects high-frequency SCTP ASCONF/ADD-IP chunk packets originating from external networks. This behavior is indicative of a Denial-of-Service (DoS) exploit attempt targeting a vulnerability (CVE-2026-74469) related to DiagSpill transport_count integer wraparound.
Detects high-frequency SCTP ASCONF/ADD-IP chunk packets originating from external networks. This behavior is indicative of a Denial-of-Service (DoS) exploit attempt targeting a vulnerability (CVE-2026-74469) related to DiagSpill transport_count integer wraparound.
This rule identifies Linux devices running kernel versions susceptible to the DirtyAH6, TUNderflow, PPPoEject, and DiagSpill vulnerabilities. It parses the kernel version from the OSBuild information and flags devices falling below the specific patched versions (5.10.270, 6.1.188, 6.6.157, 7.2.4).
This rule identifies Linux devices running kernel versions susceptible to the DirtyAH6, TUNderflow, PPPoEject, and DiagSpill vulnerabilities. It parses the kernel version from the OSBuild information and flags devices falling below the specific patched versions (5.10.270, 6.1.188, 6.6.157, 7.2.4).
This rule identifies Linux devices running kernel versions susceptible to the DirtyAH6, TUNderflow, PPPoEject, and DiagSpill vulnerabilities. It parses the kernel version from the OSBuild information and flags devices falling below the specific patched versions (5.10.270, 6.1.188, 6.6.157, 7.2.4).
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