nmap

- Table of Contents

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- Tool Overview

Category
Information Collection
Description
Used for network investigation.
Example of Presumed Tool Use During an Attack
This tool is used to list hosts on the network and investigate ports that are available for connection.

- Tool Operation Overview

Item Source Host Destination Host
OS Windows
Belonging to Domain Not required
Rights Standard user

- Information Acquired from Log

Standard Settings
  • Source host
    • Execution history (Prefetch)
Additional Settings
  • Source host
    • Execution history (audit policy, Sysmon)
    • The fact that communications using multiple ports and protocols continuously occurred (audit policy, Sysmon)
  • Destination Host
    • The fact that communications using multiple ports and protocols continuously occurred (audit policy, Sysmon)

- Evidence That Can Be Confirmed When Execution is Successful

- Main Information Recorded at Execution

- Source Host

Event log

# Log Event ID Task Category Event Details
1 Microsoft-Windows-Sysmon/Operational 1 Process Create (rule: ProcessCreate) Process Create.
  • CommandLine: Command line of the execution command ([Executable File Name of Tool] [Option] [Destination Host])
  • UtcTime: Process execution date and time (UTC)
  • ProcessGuid/ProcessId: Process ID
  • Image: Path to the executable file (path to the tool)
  • User: Execute as user
2 Security 4689 Process Termination A process has exited.
  • Log Date and Time: Process terminated date and time (local time)
  • Process Information > Exit Status: Process return value (0x0)
  • Subject > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who executed the tool
  • Process Information > Process Name: Path to the executable file (path to the tool)
3 Microsoft-Windows-Sysmon/Operational 3 Network connection detected (rule: NetworkConnect) Network connection detected.
  • Protocol: Protocol (multiple protocols)
  • Image: Path to the executable file (path to the tool)
  • ProcessGuid/ProcessId: Process ID
  • User: Execute as user
  • SourceIp/SourceHostname/SourcePort: Source IP address/Host name/Port number (multiple ports at source)
  • DestinationIp/DestinationHostname/DestinationPort: Destination IP address/Host name/Port number (multiple ports at destination)

Prefetch

- Destination Host

Event log

# Log Event ID Task Category Event Details
1 Microsoft-Windows-Sysmon/Operational 3 Network connection detected (rule: NetworkConnect) Network connection detected.
  • Protocol: Protocol (multiple protocols)
  • Image: Path to the executable file
  • ProcessGuid/ProcessId: Process ID
  • User: Execute as user
  • SourceIp/SourceHostname/SourcePort: Source IP address/Host name/Port number (multiple ports at destination)
  • DestinationIp/DestinationHostname/DestinationPort: Destination IP address/Host name/Port number (multiple ports at source)

- Details: Source Host

- Event Log

# Event Log Event ID Task Category Event Details
1 Microsoft-Windows-Sysmon/Operational 1 Process Create (rule: ProcessCreate) Process Create.
  • LogonGuid/LogonId: ID of the logon session
  • ParentProcessGuid/ParentProcessId: Process ID of the parent process
  • ParentImage: Executable file of the parent process
  • CurrentDirectory: Work directory
  • CommandLine: Command line of the execution command ([Executable File Name of Tool] [Option] [Destination Host])
  • IntegrityLevel: Privilege level (Medium)
  • ParentCommandLine: Command line of the parent process
  • UtcTime: Process execution date and time (UTC)
  • ProcessGuid/ProcessId: Process ID
  • User: Execute as user
  • Hashes: Hash value of the executable file
  • Image: Path to the executable file (path to the tool)
Security 4688 Process Create A new process has been created.
  • Process Information > Required Label: Necessity of privilege escalation
  • Subject > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who executed the tool
  • Process Information > Source Process Name: Path to parent process that created the new process
  • Log Date and Time: Process execution date and time (local time)
  • Process Information > New Process Name: Path to the executable file (path to the tool)
  • Process Information > Token Escalation Type: Presence of privilege escalation (1)
  • Process Information > New Process ID: Process ID (hexadecimal)
  • Process Information > Source Process ID: Process ID of the parent process that created the new process. "Creator Process ID" in Windows 7
  • Subject > Logon ID: Session ID of the user who executed the process
2 Microsoft-Windows-Sysmon/Operational 12 Registry object added or deleted (rule: RegistryEvent) Registry object added or deleted.
  • EventType: Process type (CreateKey)
  • Image: Path to the executable file (path to the tool)
  • ProcessGuid/ProcessId: Process ID
  • TargetObject: Created/deleted registry key/value (\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters)
3 Microsoft-Windows-Sysmon/Operational 3 Network connection detected (rule: NetworkConnect) Network connection detected.
  • Protocol: Protocol (multiple protocols)
  • DestinationIp: Destination IP address (destination host IP address)
  • Image: Path to the executable file (path to the tool)
  • DestinationHostname: Destination host name (destination host name)
  • ProcessGuid/ProcessId: Process ID
  • User: Execute as user
  • DestinationPort: Destination port number (multiple ports)
  • SourcePort: Source port number (multiple ports)
  • SourceHostname: Source host name (source host name)
  • SourceIp: Source IP address (source host IP address)
Security 5158 Filtering Platform Connection The Windows Filtering Platform has permitted a bind to a local port.
  • Network Information > Protocol: Protocol used
  • Network Information > Source Port: Bind local port (high port)
  • Application Information > Process ID: Process ID
  • Application Information > Application Name: Execution process (path to the tool)
Security 5156 Filtering Platform Connection The Windows Filtering Platform has allowed a connection.
  • Network Information > Destination Port: Destination port number (multiple ports)
  • Network Information > Source Port: Source port number (high port)
  • Network Information > Destination Address: Destination IP address (destination host)
  • Network Information > Protocol: Protocol used (multiple protocols)
  • Application Information > Application Name: Execution process (path to the tool)
  • Network Information > Direction: Communication direction (outbound)
  • Network Information > Source Address: Source IP address (source host)
  • Application Information > Process ID: Process ID
4 Microsoft-Windows-Sysmon/Operational 11 File created (rule: FileCreate) File created.
  • Image: Path to the executable file (C:\Windows\System32\svchost.exe)
  • ProcessGuid/ProcessId: Process ID
  • TargetFilename: Created file (C:\Windows\Prefetch\[Executable File Name of Tool]-[RANDOM].pf)
  • CreationUtcTime: File creation date and time (UTC)
Security 4656 File System/Other Object Access Events A handle to an object was requested.
  • Process Information > Process ID: Process ID (hexadecimal)
  • Access Request Information > Access/Reason for Access/Access Mask: Requested privileges (including WriteData or AddFile, and AppendData)
  • Subject > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who executed the tool
  • Object > Object Name: Target file name (C:\Windows\Prefetch\[Executable File Name of Tool]-[RANDOM].pf)
  • Process Information > Process Name: Name of the process that closed the handle (C:\Windows\System32\svchost.exe)
  • Object > Object Type: File type
  • Subject > Logon ID: Session ID of the user who executed the process
  • Object > Handle ID: ID of the relevant handle
Security 4663 File System An attempt was made to access an object.
  • Process Information > Process ID: Process ID (hexadecimal)
  • Access Request Information > Access/Reason for Access/Access Mask: Requested privileges (WriteData or AddFile, AppendData)
  • Subject > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who executed the tool
  • Object > Object Name: Target file name (C:\Windows\Prefetch\[Executable File Name of Tool]-[RANDOM].pf)
  • Audit Success: Success or failure (access successful)
  • Process Information > Process Name: Name of the process that closed the handle (C:\Windows\System32\svchost.exe)
  • Object > Object Type: Category of the target (File)
  • Subject > Logon ID: Session ID of the user who executed the process
  • Object > Handle ID: ID of the relevant handle (handle obtained with Event ID 4656)
Security 4658 File System The handle to an object was closed.
  • Process Information > Process ID: Process ID (hexadecimal)
  • Process Information > Process Name: Name of the process that requested the object (C:\Windows\System32\svchost.exe)
  • Subject > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who executed the tool
  • Subject > Logon ID: Session ID of the user who executed the process
  • Object > Handle ID: ID of the relevant handle (handle obtained with Event ID 4656)
5 Microsoft-Windows-Sysmon/Operational 5 Process terminated (rule: ProcessTerminate) Process terminated.
  • UtcTime: Process terminated date and time (UTC)
  • ProcessGuid/ProcessId: Process ID
  • Image: Path to the executable file (path to the tool)
Security 4689 Process Termination A process has exited.
  • Process Information > Process ID: Process ID (hexadecimal)
  • Subject > Security ID/Account Name/Account Domain: SID/Account name/Domain of the user who executed the tool
  • Process Information > Exit Status: Process return value (0x0)
  • Log Date and Time: Process terminated date and time (local time)
  • Process Information > Process Name: Path to the executable file (path to the tool)
  • Subject > Logon ID: Session ID of the user who executed the process

- USN Journal

# File Name Process Attribute
1 [Executable File Name of Tool]-[RANDOM].pf FILE_CREATE archive+not_indexed
[Executable File Name of Tool]-[RANDOM].pf DATA_EXTEND+FILE_CREATE archive+not_indexed
[Executable File Name of Tool]-[RANDOM].pf CLOSE+DATA_EXTEND+FILE_CREATE archive+not_indexed

- MFT

# Path Header Flag Validity
1 [Drive Name]:\Windows\Prefetch\[Executable File Name of Tool]-[RANDOM].pf FILE ALLOCATED

- Prefetch

# Prefetch File Process Name Process Path Information That Can Be Confirmed
1 C:\Windows\Prefetch\[Executable File Name of Tool]-[RANDOM].pf [Executable File Name of Tool] [Path to Tool] Last Run Time (last execution date and time)

- Details: Destination Host

- Event Log

# Event Log Event ID Task Category Event Details
1 Microsoft-Windows-Sysmon/Operational 3 Network connection detected (rule: NetworkConnect) Network connection detected.
  • Protocol: Protocol (multiple protocols)
  • DestinationIp: Destination IP address (source host IP address)
  • Image: Path to the executable file
  • DestinationHostname: Destination host name (source host name)
  • ProcessGuid/ProcessId: Process ID
  • User: Execute as user
  • DestinationPort: Destination port number (multiple ports)
  • SourcePort: Source port number (multiple ports)
  • SourceHostname: Source host name (destination host name)
  • SourceIp: Source IP address (destination host IP address)
Security 5156 Filtering Platform Connection The Windows Filtering Platform has allowed a connection.
  • Network Information > Destination Port: Destination port number (multiple ports)
  • Network Information > Source Port: Source port number (multiple ports)
  • Network Information > Destination Address: Destination IP address (source host)
  • Network Information > Protocol: Protocol used (multiple protocols)
  • Application Information > Application Name: Execution process
  • Network Information > Direction: Communication direction (inbound)
  • Network Information > Source Address: Source IP address (destination host)
  • Application Information > Process ID: Process ID
Security 5152 Filtering Platform Packet Drop The Windows Filtering Platform blocked a packet.
  • Network Information > Destination Port: Destination port number (multiple ports)
  • Network Information > Source Port: Source port number (multiple ports)
  • Network Information > Destination Address: Destination IP address (destination host)
  • Network Information > Protocol: Protocol used (multiple protocols)
  • Application Information > Application Name: Execution process
  • Network Information > Direction: Communication direction (inbound)
  • Network Information > Source Address: Source IP address (source host)
  • Application Information > Process ID: Process ID

- Remarks