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.\" Manpage for Sysinternals Sysmon For Linux. | ||
.\" Contact via http://github/Sysinternals to correct errors or typos. | ||
.TH SYSMON 8 "23 Feb 2023" "1.1.0" "System Manager's Manual" | ||
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.SH NAME | ||
sysmon \- System Monitor from Sysinternals | ||
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.SH SYNOPSIS | ||
sysmon [options] | ||
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.SH DESCRIPTION | ||
System Monitor (Sysmon) is a system service and set of eBPF programs that, | ||
once installed on a system, remains resident across system reboots to monitor | ||
and log system activity to the Syslog. It provides detailed information about | ||
process creations, network connections, and file creations and deletions. By | ||
collecting the events it generates using SIEM agents and subsequently analyzing | ||
them, you can identify malicious or anomalous activity and understand how | ||
intruders and malware operate on your network. | ||
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Note that Sysmon does not provide analysis of the events it generates, nor does | ||
it attempt to protect or hide itself from attackers. | ||
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Sysmon includes the following capabilities: | ||
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.IP \[bu] 2 | ||
Logs process creation with full command line for both current and parent | ||
processes. | ||
.IP \[bu] | ||
Includes a process GUID in process create events to allow for correlation of | ||
events even when Linux reuses process IDs. | ||
.IP \[bu] | ||
Includes a session GUID in each event to allow correlation of events on same | ||
logon session. | ||
.IP \[bu] | ||
Logs file creations and deletions. | ||
.IP \[bu] | ||
Logs opens for raw read access of disks and volumes. | ||
.IP \[bu] | ||
Optionally logs network connections, including each connection’s source | ||
process, IP addresses and port numbers. | ||
.IP \[bu] | ||
Logs ptrace (process access) activity. | ||
.IP \[bu] | ||
Rule filtering to include or exclude certain events dynamically. | ||
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.PP | ||
Events are stored in the Syslog, often found at /var/log/syslog. | ||
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Use the '\-? config' command for configuration file documentation. More | ||
examples are available on the Sysinternals website. | ||
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Specify '\-accepteula' to automatically accept the EULA on installation. | ||
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Neither install nor uninstall requires a reboot. | ||
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.SH OPTIONS | ||
\-c [config] Update configuration of an installed Sysmon driver or dump the | ||
current configuration if no other argument is provided. Optionally | ||
take a configuration file. | ||
\-i [config] Install service and driver. Optionally take a configuration file. | ||
\-s Print configuration schema definition of the specified version. | ||
Specify 'all' to dump all schema versions (default is latest)). | ||
\-u Uninstall service and driver. Adding force causes uninstall to proceed | ||
even when some components are not installed. | ||
\-btf <path> Uses the specified offline BTF file. | ||
\-? Help. | ||
\-? config Configuration help. | ||
\-accepteula Accept the EULA. | ||
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.SH SEE ALSO | ||
ps(1), perf(1), top(1), procmon(1), procdump(1) | ||
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.SH BUGS | ||
No known bugs. | ||
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.SH NOTES | ||
File paths are typically constructed in eBPF by traversing the file system. | ||
It is possible that system limits will in some cases prevent the full path | ||
from being recovered. In this situations, the first character of the path will | ||
be a '+' to indicate that more directories may have preceded it. | ||
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.SH AUTHOR | ||
Sysinternals - www.sysinternals.com | ||
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Mark Russinovich, Thomas Garnier and Kevin Sheldrake | ||
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Copyright (C) 2014-2023 Microsoft Corporation | ||
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.SH COPYRIGHT | ||
The userland part of Sysmon is licensed under MIT; the eBPF parts are licensed | ||
under GPL2. | ||
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