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ATT&CK Technique

Password Cracking

T1110.002 · credential-access

Adversaries may use password cracking to attempt to recover usable credentials, such as plaintext passwords, when credential material such as password hashes are obtained. OS Credential Dumping can be used to obtain password hashes, this may only get an adversary so far when Pass the Hash is not an option. Further, adversaries may leverage Data from Configuration Repository in order to obtain hashed credentials for network devices.

Techniques to systematically guess the passwords used to compute hashes are available, or the adversary may use a pre-computed rainbow table to crack hashes. Cracking hashes is usually done on adversary-controlled systems outside of the target network. The resulting plaintext password resulting from a successfully cracked hash may be used to log into systems, resources, and services in which the account has access.

Identity ProviderLinuxmacOSNetwork DevicesOffice SuiteWindows
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Actors Using This

3
chinaAPT40
israel_private_sector_mobile_forensics_cyber_mercenaryCellebrite
israelWintego Systems
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Likely Attack Path

Techniques the same actors pair with this one distinctively - those showing up among actors who use this technique noticeably more than across all actors (lift > 1.15), grouped by kill-chain phase. The × is that lift multiplier; the shared-actor count is in the tooltip. A near-universal technique pairs with everything at baseline, so its list is short by design.
credential-access same
T1539 · Steal Web Session Cookie ×3.66T1110 · Brute Force ×3.09
collection later
T1213 · Data from Information Repositories ×1.70T1056 · Input Capture ×1.34
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Atomic Tests

1
Executable Atomic Red Team test cases for exercising this technique in a lab. Copy a command, run it on the listed platform, confirm your detections fire.
command_promptelevatedwindowsPassword Cracking with Hashcat
Execute Hashcat.exe with provided SAM file from registry of Windows and Password list to crack against
cd #{hashcat_exe}\..
#{hashcat_exe} -a 0 -m 1000 -r .\rules\Incisive-leetspeak.rule #{input_file_sam} #{input_file_passwords}
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Mitigations

2
MITRE ATT&CK mitigations - vendor-agnostic guidance for reducing exposure to this technique.
M1027Password Policies

Set and enforce secure password policies for accounts to reduce the likelihood of unauthorized access. Strong password policies include enforcing password complexity, requiring regular password changes, and preventing password reuse.

Windows Systems
Use Group Policy Management Console (GPMC) to configure
  • Minimum password length (e.g., 12+ characters).
  • Password complexity requirements.
  • Password history (e.g., disallow last 24 passwords).
  • Account lockout duration and thresholds.
Linux Systems
Configure Pluggable Authentication Modules (PAM)
  • Use pam_pwquality to enforce complexity and length requirements.
  • Implement pam_tally2 or pam_faillock for account lockouts.
  • Use pwunconv to disable password reuse.
Password Managers
  • Enforce usage of enterprise password managers (e.g., Bitwarden, 1Password, LastPass) to generate and store strong passwords.
Password Blacklisting
  • Use tools like Have I Been Pwned password checks or NIST-based blacklist solutions to prevent users from setting compromised passwords.
Regular Auditing
  • Periodically audit password policies and account configurations to ensure compliance using tools like LAPS (Local Admin Password Solution) and vulnerability scanners.
Tools for Implementation Windows
  • Group Policy Management Console (GPMC): Enforce password policies.
  • Microsoft Local Administrator Password Solution (LAPS): Enforce random, unique admin passwords.
Linux/macOS
  • PAM Modules (pam_pwquality, pam_tally2, pam_faillock): Enforce password rules.
  • Lynis: Audit password policies and system configurations.
Cross-Platform
  • Password Managers (Bitwarden, 1Password, KeePass): Manage and enforce strong passwords.
  • Have I Been Pwned API: Prevent the use of breached passwords.
  • NIST SP 800-63B compliant tools: Enforce password guidelines and blacklisting.
M1032Multi-factor Authentication

Multi-Factor Authentication (MFA) enhances security by requiring users to provide at least two forms of verification to prove their identity before granting access. These factors typically include: - Something you know: Passwords, PINs. - Something you have: Physical tokens, smartphone authenticator apps. - Something you are: Biometric data such as fingerprints, facial recognition, or retinal scans. Implementing MFA across all critical systems and services ensures robust protection against account takeover and unauthorized access.

Identity and Access Management (IAM)
  • Use IAM solutions like Azure Active Directory, Okta, or AWS IAM to enforce MFA policies for all user logins, especially for privileged roles.
  • Enable conditional access policies to enforce MFA for risky sign-ins (e.g., unfamiliar devices, geolocations).
  • Enable Conditional Access policies to only allow logins from trusted devices, such as those enrolled in Intune or joined via Hybrid/Entra.
Authentication Tools and Methods
  • Use authenticator applications such as Google Authenticator, Microsoft Authenticator, or Authy for time-based one-time passwords (TOTP).
  • Deploy hardware-based tokens like YubiKey, RSA SecurID, or smart cards for additional security.
  • Enforce biometric authentication for compatible devices and applications.
Secure Legacy Systems
  • Integrate MFA solutions with older systems using third-party tools like Duo Security or Thales SafeNet.
  • Enable RADIUS/NPS servers to facilitate MFA for VPNs, RDP, and other network logins.
Monitoring and Alerting
  • Use SIEM tools to monitor failed MFA attempts, login anomalies, or brute-force attempts against MFA systems.
  • Implement alerts for suspicious MFA activities, such as repeated failed codes or new device registrations.
Training and Policy Enforcement
  • Educate employees on the importance of MFA and secure authenticator usage.
  • Enforce policies that require MFA on all critical systems, especially for remote access, privileged accounts, and cloud applications.
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Detection Coverage

1/6 layers
Coverage across standard detection surfaces. Rows marked none have no rule of that type mapped. Some are real blind spots worth closing; others are simply not applicable to this technique (e.g. YARA matches malware files, not network behaviour).
Behavioral / log (Sigma) 1
Analytics (MITRE CAR) none
Runtime / container (Falco) none
File / malware (YARA) none
Network (Suricata/Snort) none
Vuln scan (Nuclei) none
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Comply & Defend

NIST 800-53AC-02, AC-03, AC-05, AC-06, AC-07, AC-20, CA-07, CM-02, CM-06, IA-02, IA-04, IA-05, IA-11, SI-04
D3FEND12 defensive techniques
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