ATT&CK Matrix - Hackers Exploit Zimbra Vulnerability as 0-Day with Weaponized iCalendar Files

Story: Hackers Exploit Zimbra Vulnerability as 0-Day with Weaponized iCalendar Files

Identified Techniques: T1059 - Command and Scripting Interpreter, T1071 - Application Layer Protocol, T1566 - Phishing, T1070 - Indicator Removal, T1040, T1203

Note: Sub-techniques are displayed under their parent techniques in the matrix below.

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Standard Techniques

Techniques Identified in This Story

Initial Access	Execution	Persistence	Privilege Escalation	Defense Evasion	Credential Access	Discovery	Lateral Movement	Collection	Command and Control	Exfiltration	Impact
T1078 Valid Accounts T1078.001 Default Accounts T1078.002 Domain Accounts T1078.003 Local Accounts T1078.004 Cloud Accounts	T1059 Command and Scripting Interpreter T1059.001 PowerShell T1059.002 AppleScript T1059.003 Windows Command Shell T1059.004 Unix Shell T1059.005 Visual Basic T1059.006 Python T1059.007 JavaScript T1059.008 Network Device CLI	T1543 Create or Modify System Process T1543.001 Launch Agent T1543.002 Systemd Service T1543.003 Windows Service T1543.004 Launch Daemon	T1055 Process Injection T1055.001 Dynamic-link Library Injection T1055.002 Portable Executable Injection T1055.003 Thread Execution Hijacking T1055.004 Asynchronous Procedure Call	T1027 Obfuscated Files or Information T1027.001 Binary Padding T1027.002 Software Packing	T1003 OS Credential Dumping T1003.001 LSASS Memory T1003.002 Security Account Manager T1003.003 NTDS T1003.004 LSA Secrets T1003.005 Cached Domain Credentials T1003.006 DCSync T1003.007 Proc Filesystem T1003.008 /etc/passwd and /etc/shadow	T1016 System Network Configuration Discovery T1016.001 Internet Connection Discovery T1016.002 Network Service Scanning T1016.003 Internet Connection Discovery	T1021 Remote Services T1021.001 Remote Desktop Protocol T1021.002 SMB/Windows Admin Shares T1021.003 Distributed Component Object Model T1021.004 SSH T1021.005 VNC T1021.006 Windows Remote Management T1021.007 Cloud Services T1021.008 Direct Cloud VM Connections	T1005 Data from Local System T1005.001 Local Data Staging T1005.002 Remote Data Staging	T1071 Application Layer Protocol T1071.001 Web Protocols T1071.002 File Transfer Protocols T1071.003 Mail Protocols T1071.004 DNS T1071.005 Publish/Subscribe Protocols	T1011 Exfiltration Over Other Network Medium T1011.001 Exfiltration Over Bluetooth	T1485 Data Destruction T1485.001 Lifecycle-Triggered Deletion
T1190 Exploit Public-Facing Application	T1106 Native API	T1547 Boot or Logon Autostart Execution T1547.001 Registry Run Keys / Startup Folder T1547.002 Authentication Package T1547.003 Time Providers T1547.004 Winlogon Helper DLL	T1548 Abuse Elevation Control Mechanism T1548.001 Setuid and Setgid T1548.002 Bypass User Account Control T1548.003 Sudo and Sudo Caching T1548.004 Elevated Service Execution	T1070 Indicator Removal T1070.001 Clear Windows Event Logs T1070.002 Clear Linux or Mac System Logs T1070.003 Clear Command History T1070.004 File Deletion T1070.005 Network Share Connection Removal T1070.006 Timestomp	T1555 Credentials from Password Stores	T1018 Remote System Discovery	T1210 Exploitation of Remote Services	T1025 Data from Removable Media	T1090 Proxy T1090.001 Internal Proxy T1090.002 External Proxy T1090.003 Multi-hop Proxy	T1020 Automated Exfiltration T1020.001 Traffic Duplication	T1486 Data Encrypted for Impact
T1566 Phishing T1566.001 Spearphishing Attachment T1566.002 Spearphishing Link T1566.003 Spearphishing via Service						T1033 System Owner/User Discovery		T1039 Data from Network Shared Drive		T1030 Data Transfer Size Limits	T1491 Defacement T1491.001 Internal Defacement T1491.002 External Defacement
						T1049 System Network Connections Discovery		T1113 Screen Capture		T1041 Exfiltration Over C2 Channel	T1565 Data Manipulation T1565.001 Stored Data Manipulation T1565.002 Transmitted Data Manipulation T1565.003 Runtime Data Manipulation
						T1057 Process Discovery		T1114 Email Collection T1114.001 Local Email Collection T1114.002 Remote Email Collection T1114.003 Email Forwarding Rule		T1048 Exfiltration Over Alternative Protocol T1048.001 Exfiltration Over Symmetric Encrypted Non-C2 Protocol T1048.002 Exfiltration Over Asymmetric Encrypted Non-C2 Protocol T1048.003 Exfiltration Over Unencrypted Non-C2 Protocol
						T1082 System Information Discovery
						T1083 File and Directory Discovery

Initial Access	Execution	Persistence	Privilege Escalation	Defense Evasion	Credential Access	Discovery	Lateral Movement	Collection	Command and Control	Exfiltration	Impact
T1078 Valid Accounts T1078.001 Default Accounts T1078.002 Domain Accounts T1078.003 Local Accounts T1078.004 Cloud Accounts	T1059 Command and Scripting Interpreter T1059.001 PowerShell T1059.002 AppleScript T1059.003 Windows Command Shell T1059.004 Unix Shell T1059.005 Visual Basic T1059.006 Python T1059.007 JavaScript T1059.008 Network Device CLI	T1543 Create or Modify System Process T1543.001 Launch Agent T1543.002 Systemd Service T1543.003 Windows Service T1543.004 Launch Daemon	T1055 Process Injection T1055.001 Dynamic-link Library Injection T1055.002 Portable Executable Injection T1055.003 Thread Execution Hijacking T1055.004 Asynchronous Procedure Call	T1027 Obfuscated Files or Information T1027.001 Binary Padding T1027.002 Software Packing	T1003 OS Credential Dumping T1003.001 LSASS Memory T1003.002 Security Account Manager T1003.003 NTDS T1003.004 LSA Secrets T1003.005 Cached Domain Credentials T1003.006 DCSync T1003.007 Proc Filesystem T1003.008 /etc/passwd and /etc/shadow	T1016 System Network Configuration Discovery T1016.001 Internet Connection Discovery T1016.002 Network Service Scanning T1016.003 Internet Connection Discovery	T1021 Remote Services T1021.001 Remote Desktop Protocol T1021.002 SMB/Windows Admin Shares T1021.003 Distributed Component Object Model T1021.004 SSH T1021.005 VNC T1021.006 Windows Remote Management T1021.007 Cloud Services T1021.008 Direct Cloud VM Connections	T1005 Data from Local System T1005.001 Local Data Staging T1005.002 Remote Data Staging	T1071 Application Layer Protocol T1071.001 Web Protocols T1071.002 File Transfer Protocols T1071.003 Mail Protocols T1071.004 DNS T1071.005 Publish/Subscribe Protocols	T1011 Exfiltration Over Other Network Medium T1011.001 Exfiltration Over Bluetooth	T1485 Data Destruction T1485.001 Lifecycle-Triggered Deletion
T1190 Exploit Public-Facing Application	T1106 Native API	T1547 Boot or Logon Autostart Execution T1547.001 Registry Run Keys / Startup Folder T1547.002 Authentication Package T1547.003 Time Providers T1547.004 Winlogon Helper DLL	T1548 Abuse Elevation Control Mechanism T1548.001 Setuid and Setgid T1548.002 Bypass User Account Control T1548.003 Sudo and Sudo Caching T1548.004 Elevated Service Execution	T1070 Indicator Removal T1070.001 Clear Windows Event Logs T1070.002 Clear Linux or Mac System Logs T1070.003 Clear Command History T1070.004 File Deletion T1070.005 Network Share Connection Removal T1070.006 Timestomp	T1555 Credentials from Password Stores	T1018 Remote System Discovery	T1210 Exploitation of Remote Services	T1025 Data from Removable Media	T1090 Proxy T1090.001 Internal Proxy T1090.002 External Proxy T1090.003 Multi-hop Proxy	T1020 Automated Exfiltration T1020.001 Traffic Duplication	T1486 Data Encrypted for Impact
T1566 Phishing T1566.001 Spearphishing Attachment T1566.002 Spearphishing Link T1566.003 Spearphishing via Service						T1033 System Owner/User Discovery		T1039 Data from Network Shared Drive		T1030 Data Transfer Size Limits	T1491 Defacement T1491.001 Internal Defacement T1491.002 External Defacement
						T1049 System Network Connections Discovery		T1113 Screen Capture		T1041 Exfiltration Over C2 Channel	T1565 Data Manipulation T1565.001 Stored Data Manipulation T1565.002 Transmitted Data Manipulation T1565.003 Runtime Data Manipulation
						T1057 Process Discovery		T1114 Email Collection T1114.001 Local Email Collection T1114.002 Remote Email Collection T1114.003 Email Forwarding Rule		T1048 Exfiltration Over Alternative Protocol T1048.001 Exfiltration Over Symmetric Encrypted Non-C2 Protocol T1048.002 Exfiltration Over Asymmetric Encrypted Non-C2 Protocol T1048.003 Exfiltration Over Unencrypted Non-C2 Protocol
						T1082 System Information Discovery
						T1083 File and Directory Discovery

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Story: Hackers Exploit Zimbra Vulnerability as 0-Day with Weaponized iCalendar Files

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