attack.t1110 | Detection.FYI

Cisco BGP Authentication Failures

Dec 1, 2023 · attack.initial_access attack.persistence attack.privilege_escalation attack.defense_evasion attack.credential_access attack.collection attack.t1078 attack.t1110 attack.t1557 ·
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Detects BGP failures which may be indicative of brute force attacks to manipulate routing

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Cisco LDP Authentication Failures

Dec 1, 2023 · attack.initial_access attack.persistence attack.privilege_escalation attack.defense_evasion attack.credential_access attack.collection attack.t1078 attack.t1110 attack.t1557 ·
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Detects LDP failures which may be indicative of brute force attacks to manipulate MPLS labels

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Huawei BGP Authentication Failures

Dec 1, 2023 · attack.initial_access attack.persistence attack.privilege_escalation attack.defense_evasion attack.credential_access attack.collection attack.t1078 attack.t1110 attack.t1557 ·
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Detects BGP failures which may be indicative of brute force attacks to manipulate routing.

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Juniper BGP Missing MD5

Dec 1, 2023 · attack.initial_access attack.persistence attack.privilege_escalation attack.defense_evasion attack.credential_access attack.collection attack.t1078 attack.t1110 attack.t1557 ·
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Detects juniper BGP missing MD5 digest. Which may be indicative of brute force attacks to manipulate routing.

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Use of Legacy Authentication Protocols

Oct 28, 2023 · attack.initial_access attack.credential_access attack.t1078.004 attack.t1110 ·
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Alert on when legacy authentication has been used on an account

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External Remote RDP Logon from Public IP

Oct 18, 2023 · attack.initial_access attack.credential_access attack.t1133 attack.t1078 attack.t1110 ·
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Detects successful logon from public IP address via RDP. This can indicate a publicly-exposed RDP port.

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External Remote SMB Logon from Public IP

Oct 18, 2023 · attack.initial_access attack.credential_access attack.t1133 attack.t1078 attack.t1110 ·
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Detects successful logon from public IP address via SMB. This can indicate a publicly-exposed SMB port.

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MSSQL Server Failed Logon From External Network

Oct 18, 2023 · attack.credential_access attack.t1110 ·
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Detects failed logon attempts from clients with external network IP to an MSSQL server. This can be a sign of a bruteforce attack.

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Failed Authentications From Countries You Do Not Operate Out Of

Oct 17, 2023 · attack.initial_access attack.credential_access attack.t1078.004 attack.t1110 ·
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Detect failed authentications from countries you do not operate out of.

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Multifactor Authentication Interrupted

Oct 17, 2023 · attack.initial_access attack.credential_access attack.t1078.004 attack.t1110 attack.t1621 ·
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Identifies user login with multifactor authentication failures, which might be an indication an attacker has the password for the account but can't pass the MFA challenge.

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Sign-in Failure Due to Conditional Access Requirements Not Met

Oct 17, 2023 · attack.initial_access attack.credential_access attack.t1110 attack.t1078.004 ·
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Define a baseline threshold for failed sign-ins due to Conditional Access failures

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Successful Authentications From Countries You Do Not Operate Out Of

Oct 17, 2023 · attack.initial_access attack.credential_access attack.t1078.004 attack.t1110 ·
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Detect successful authentications from countries you do not operate out of.

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Account Lockout

Oct 12, 2023 · attack.credential_access attack.t1110 ·
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Identifies user account which has been locked because the user tried to sign in too many times with an incorrect user ID or password.

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Multifactor Authentication Denied

Oct 12, 2023 · attack.initial_access attack.credential_access attack.t1078.004 attack.t1110 attack.t1621 ·
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User has indicated they haven't instigated the MFA prompt and could indicate an attacker has the password for the account.

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Potential MFA Bypass Using Legacy Client Authentication

Oct 12, 2023 · attack.initial_access attack.credential_access attack.t1078.004 attack.t1110 ·
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Detects successful authentication from potential clients using legacy authentication via user agent strings. This could be a sign of MFA bypass using a password spray attack.

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User Access Blocked by Azure Conditional Access

Oct 12, 2023 · attack.credential_access attack.initial_access attack.t1110 attack.t1078.004 ·
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Detect access has been blocked by Conditional Access policies. The access policy does not allow token issuance which might be sights≈ of unauthorizeed login to valid accounts.

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MSSQL Server Failed Logon

Oct 11, 2023 · attack.credential_access attack.t1110 ·
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Detects failed logon attempts from clients to MSSQL server.

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Password Spray Activity

Sep 6, 2023 · attack.t1110 attack.credential_access ·
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Indicates that a password spray attack has been successfully performed.

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HackTool - CrackMapExec Execution

Aug 28, 2023 · attack.execution attack.persistence attack.privilege_escalation attack.credential_access attack.discovery attack.t1047 attack.t1053 attack.t1059.003 attack.t1059.001 attack.t1110 attack.t1201 ·
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This rule detect common flag combinations used by CrackMapExec in order to detect its use even if the binary has been replaced.

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Failed Logins with Different Accounts from Single Source - Linux

Apr 21, 2023 · attack.credential_access attack.t1110 ·
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Detects suspicious failed logins with different user accounts from a single source system

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Sign-in Failure Bad Password Threshold

Apr 21, 2023 · attack.credential_access attack.t1110 ·
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Define a baseline threshold and then monitor and adjust to suit your organizational behaviors and limit false alerts from being generated.

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HackTool - Hydra Password Bruteforce Execution

Feb 4, 2023 · attack.credential_access attack.t1110 attack.t1110.001 ·
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Detects command line parameters used by Hydra password guessing hack tool

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Hack Tool User Agent

Feb 1, 2023 · attack.initial_access attack.t1190 attack.credential_access attack.t1110 ·
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Detects suspicious user agent strings user by hack tools in proxy logs

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NTLM Brute Force

Jan 27, 2023 · attack.credential_access attack.t1110 ·
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Detects common NTLM brute force device names

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External Remote Service Logon from Public IP

Jan 23, 2023 · attack.initial_access attack.credential_access attack.t1133 attack.t1078 attack.t1110 ·
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Detects successful logon from public IP address via RDP, SMB, etc. This can indicate a publicly-exposed RDP or SMB port.

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