Files
sigma-rules/rules/integrations
Samirbous b399d856a1 [New] AWS Lateral Movement via Kubernetes SA (#5959)
* [New] AWS Lateral Movement from Kubernetes SA via AssumeRoleWithWebIdentity

Detects when credentials issued through `AssumeRoleWithWebIdentity` for a Kubernetes service account identity are later used for several distinct AWS control-plane actions on the same session access key. Workloads that use EKS IAM Roles for Service Accounts routinely exchange a projected service-account token for short-lived IAM credentials; this rule highlights sessions where that exchange is followed by a spread of sensitive APIs—reconnaissance, secrets and parameter
access, IAM changes, or compute creation—beyond what routine pod traffic usually shows.

* Update initial_access_assumed_web_identity_session_with_multi_phase_api_use.toml

* Update and rename initial_access_assumed_web_identity_session_with_multi_phase_api_use.toml to lateral_movement_k8_assumed_web_identity_session_with_multi_phase_api_use.toml

* Create initial_access_assume_role_with_web_identity_kubernetes_sa_from_external_asn.toml

* Update initial_access_assume_role_with_web_identity_kubernetes_sa_from_external_asn.toml

* Update initial_access_assume_role_with_web_identity_kubernetes_sa_from_external_asn.toml

* Update initial_access_assume_role_with_web_identity_kubernetes_sa_from_external_asn.toml

* [New] Potential Privilege Escalation in Container via Runc Init

Identifies audit events for `runc init` child processes where the effective user is root and the login user ID is not root. This pattern can indicate privilege escalation or credential separation abuse inside container runtimes, where a process executes  with elevated effective privileges while retaining a non-root audit identity.

* Update rules/linux/privilege_escalation_container_runc_init_effective_root_auditd.toml

Co-authored-by: Mika Ayenson, PhD <Mikaayenson@users.noreply.github.com>

* Delete rules/linux/privilege_escalation_container_runc_init_effective_root_auditd.toml

* Update rules/integrations/aws/initial_access_assume_role_with_web_identity_kubernetes_sa_from_external_asn.toml

Co-authored-by: Isai <59296946+imays11@users.noreply.github.com>

* Apply suggestion from @imays11

Co-authored-by: Isai <59296946+imays11@users.noreply.github.com>

* Update rules/integrations/aws/lateral_movement_k8_assumed_web_identity_session_with_multi_phase_api_use.toml

Co-authored-by: Isai <59296946+imays11@users.noreply.github.com>

* Update rules/integrations/aws/lateral_movement_k8_assumed_web_identity_session_with_multi_phase_api_use.toml

Co-authored-by: Isai <59296946+imays11@users.noreply.github.com>

* Update rules/integrations/aws/initial_access_assume_role_with_web_identity_kubernetes_sa_from_external_asn.toml

Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>

* Apply suggestion from @terrancedejesus

Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>

* Apply suggestion from @terrancedejesus

Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>

* Update lateral_movement_k8_assumed_web_identity_session_with_multi_phase_api_use.toml

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Co-authored-by: Mika Ayenson, PhD <Mikaayenson@users.noreply.github.com>
Co-authored-by: Isai <59296946+imays11@users.noreply.github.com>
Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
2026-05-01 12:10:55 +01:00
..
2026-04-23 00:13:05 +05:30
2025-07-07 11:27:48 -04:00