TFTP Boot (T1542.005)

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In Playbook

Associated Tactics

  • Defense Evasion
  • Persistence

Defense Evasion (TA0005)

The adversary is trying to avoid being detected. Defense Evasion consists of techniques that adversaries use to avoid detection throughout their compromise. Techniques used for defense evasion include uninstalling/disabling security software or obfuscating/encrypting data and scripts. Adversaries also leverage and abuse trusted processes to hide and masquerade their malware. Other tactics’ techniques are cross-listed here when those techniques include the added benefit of subverting defenses.

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Procedure Examples

Description Source(s)
Omar Santos. (2020, October 19). Attackers Continue to Target Legacy Devices. Retrieved October 20, 2020. Cisco Blog Legacy Device Attacks
Cisco. (n.d.). Cisco IOS Software Integrity Assurance - Secure Boot. Retrieved October 19, 2020. Cisco IOS Software Integrity Assurance - Secure Boot
Cisco. (n.d.). Cisco IOS Software Integrity Assurance - Cisco IOS Image File Verification. Retrieved October 19, 2020. Cisco IOS Software Integrity Assurance - Image File Verification
Cisco. (n.d.). Cisco IOS Software Integrity Assurance - Cisco IOS Run-Time Memory Integrity Verification. Retrieved October 19, 2020. Cisco IOS Software Integrity Assurance - Run-Time Memory Verification
Cisco. (n.d.). Cisco IOS Software Integrity Assurance - Command History. Retrieved October 21, 2020. Cisco IOS Software Integrity Assurance - Command History
Cisco. (n.d.). Cisco IOS Software Integrity Assurance - Boot Information. Retrieved October 21, 2020. Cisco IOS Software Integrity Assurance - Boot Information