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SigmaHQ Detections

@sigmaHQ
12 followers122,429 downloads2,499 copies16 likes159,641 views

6,797 detections

Detects when the policy allowing forks of private and internal repositories is changed (enabled or cleared) within a GitHub enterprise environment. This action can indicate an attempt to exfiltrate data by creating copies of sensitive repositories or a change in security posture.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
4045
Detects when changes are made to the SSH certificate configuration of a GitHub organization, specifically the creation of an SSH certificate authority or the disabling of the requirement for members to use SSH certificates.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
1045
Detects when an Okta policy is modified or deleted, which could indicate an attempt to alter security controls or bypass existing policies. This activity should be monitored closely as it can precede unauthorized access or other malicious actions.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
0043
Detects when a GitHub Pages site of a repository is made public. This action, while potentially part of a legitimate publishing process, could also indicate an adversary attempting to expose sensitive information or code publicly. Monitoring this activity helps identify potential unauthorized data exposure.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
2041
This rule detects when an API token is revoked within the Okta environment. API tokens are used for authentication and authorization to access Okta APIs. Revoking a token can be a normal administrative action, but it can also indicate an attempt to disable a compromised token or an adversary attempting to disrupt legitimate access.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
0041
This rule detects attempts to access Okta administrative functions when the request is routed through a proxy. This could indicate an adversary attempting to bypass security controls or obscure their origin when performing administrative actions within Okta.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
0041
Detects the addition of firewall address objects on a Fortinet FortiGate Firewall. This activity could indicate an adversary attempting to modify network access controls to facilitate command and control, data exfiltration, or to bypass existing security policies.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
1068
Detects when an Okta ThreatInsight security threat is detected. This indicates that Okta has identified suspicious activity, potentially from a malicious IP address, attempting to access an organization's Okta tenant.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
0039
Detects the addition of a new VPN SSL Web Portal on a Fortinet FortiGate Firewall. This activity can be an indicator of an adversary establishing persistence or initial access, especially when observed in conjunction with other modifications to VPN SSL settings. Attackers might add new web portals to maintain access to the network or to create new entry points.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
0063
This rule detects changes to global permissions within Bitbucket. This includes requests to grant or remove global permissions, as well as the successful granting or removal of such permissions. Monitoring these events is crucial for identifying unauthorized privilege escalation or persistence attempts within a Bitbucket instance.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
1038
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