Arnold Chan
@slazTrusted contributorCompletionist
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7,555 detections
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Detects instances where internal devices access the 3BB sales portal (agent.3bb.co.th) while demonstrating signs of compromise. The rule correlates the portal access with recent network activity involving identified MeshCentral attacker infrastructure (ayuthayatech.com or 92.63.180.133) and further filters for behavioral anomalies such as off-hours access, the use of non-standard browser processes, or the use of unexpected service accounts.
Detects instances where internal devices access the 3BB sales portal (agent.3bb.co.th) while demonstrating signs of compromise. The rule correlates the portal access with recent network activity involving identified MeshCentral attacker infrastructure (ayuthayatech.com or 92.63.180.133) and further filters for behavioral anomalies such as off-hours access, the use of non-standard browser processes, or the use of unexpected service accounts.
Detects anomalous certificate-based authentication attempts to Jasmine network services characterized by rapid, impossible-travel scenarios or geo-inconsistent session patterns. This behavior is indicative of a stolen certificate being reused from a different geographic location or network, bypassing standard authentication patterns.
Detects anomalous certificate-based authentication attempts to Jasmine network services characterized by rapid, impossible-travel scenarios or geo-inconsistent session patterns. This behavior is indicative of a stolen certificate being reused from a different geographic location or network, bypassing standard authentication patterns.
Detects a GitLab personal access token/response indicating Owner-level (access_level 50) group access combined with the broad 'api' scope on the sensitive gnutls/gnutls project -- the excessive standing-privilege pattern that turned one leaked token into a 55-project exposure.
Detects the gitlab-triage automation tool being invoked with a personal access token scoped to the broad 'api' permission rather than a narrower issue/MR-only scope, inflating the blast radius if the token leaks.
Detects SSH persistence planted during the Red Heron campaign: authorized_keys file writes under a .ssh folder, correlated with process command lines referencing authorized_keys and the operator's observed key comment naming pattern (backdoor / root-shell).
Detects access to Gitea secrets and configuration (app.ini, JWT secrets, SSH host keys, deploy keys) via file writes/renames or process command lines referencing those paths alongside Gitea, matching the secret-extraction tradecraft observed in the Red Heron campaign.
Detects network requests to the Gitea Prometheus metrics API that contain 'k=' and 'x=' query parameters, a pattern indicative of a C2 command channel disguised as legitimate telemetry traffic.
Detects execution of the JITTERLY Linux backdoor masquerading as 'configd' (with its -nodel fallback flag) and/or beaconing to its hardcoded C2 domain (s2.981666.xyz:8082), matching Red Heron's observed tradecraft.
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