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Add FortiGate CommonSecurityLog behaviors - #14794

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miriweissler:add-fortigate-commonsecuritylog-behaviors
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Add FortiGate CommonSecurityLog behaviors#14794
miriweissler wants to merge 1 commit into
Azure:masterfrom
miriweissler:add-fortigate-commonsecuritylog-behaviors

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Summary

  • add 41 FortiGate behavior names and titles to the CommonSecurityLog behavior catalog
  • preserve alphabetical ordering
  • update the behavior count from 142 to 183

Titles were sourced from the corresponding rules in InE.MtpCorrelationRules.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Copilot-Session: 362ef6cc-07cb-4680-a728-99df70d6ff68

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Pull request overview

Note

Copilot was unable to run its full agentic suite in this review.

Adds FortiGate-specific behavior IDs/titles to the CommonSecurityLog behavior catalog and updates the total behavior count accordingly.

Changes:

  • Added 41 FortiGate behavior entries (name + title) to the catalog table
  • Updated Total Behaviors from 142 to 183
  • Attempted to keep the table alphabetically ordered by behavior name

Comment on lines 139 to +142
| BehaviorRepeatedIkeProbing | Repeated Outbound IKE VPN Service Probing From Single Internal Host |
| BehaviorRepeatedSSHFailures | Repeated SSH Negotiation Failures from a Remote Address |
| BehaviorRepeatedSmbAdminAccess | Repeated SMB Administrative Share Access Attempts Logged as Palo Alto Threats |
| BehaviorRepeatedSslVpnDenials | Repeated SSL VPN Web Access Denials from Single Remote IP |
Comment on lines +149 to 154
| BehaviorSSHBackupFailure | Repeated Failed Configuration Backup from SSH |
| BehaviorSSHNegotiationFailure | Repeated SSH Negotiation Failures From a Source Address |
| BehaviorSSLVPNBruteForceByRemoteAddress | Repeated SSL VPN Access Failures from a Remote Address |
| BehaviorSSLVPNBruteForceByUser | Repeated SSL VPN Authentication Failures Against FortiGate User Accounts |
| BehaviorSSLVPNPasswordSpray | SSL VPN Login Failures from One Remote IP Across Multiple Accounts |
| BehaviorScadaProtocolExploit | Exploitation: SCADA DNP3 or Modbus Protocol Exploit Signature on Internal Traffic |
Comment on lines +151 to +153
| BehaviorSSLVPNBruteForceByRemoteAddress | Repeated SSL VPN Access Failures from a Remote Address |
| BehaviorSSLVPNBruteForceByUser | Repeated SSL VPN Authentication Failures Against FortiGate User Accounts |
| BehaviorSSLVPNPasswordSpray | SSL VPN Login Failures from One Remote IP Across Multiple Accounts |
| BehaviorVaultMultiAccountOperations | CyberArk client host performing multiple vault file operations via different accounts |
| BehaviorVoiceSignalingC2 | Command and Control – Voice Signaling Protocol Connectivity Across Firewall Boundaries |
| BehaviorVoipBypassOutbound | Outbound Encrypted VoIP Bypass Sessions From Internal Host to External Service |
| BehaviorVpnAccountBruteforce | Repeated Remote VPN Authentication Failures for a Single Account |
List of behavior detection rules for CommonSecurityLog data source (CyberArk, Palo Alto, etc.)

**Total Behaviors**: 142
**Total Behaviors**: 183
@v-shukore

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Hi @miriweissler, please accept CLA. Thanks!!

@miriweissler

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@microsoft-github-policy-service agree company="Microsoft"

@microsoft-github-policy-service agree company="Microsoft"

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4 participants