LoFP LoFP / t1543

t1543

TitleTags
a new and unusual program or artifact download in the course of software upgrades, debugging, or troubleshooting could trigger this alert. users downloading and running programs from unusual locations, such as temporary directories, browser caches, or profile paths could trigger this alert.
admin work like legit service installs.
administrators may allow execution of specific binaries in non-standard paths. filter as needed.
administrators may create vbs or js script that use several tool as part of its execution. filter as needed.
authorized third party network logon providers.
false positives may occur if one of the vulnerable driver names mentioned above didn't change its name between versions. so always make sure that the driver being loaded is the legitimate one and the non vulnerable version.
if you experience a lot of fp you could comment the driver name or its exact known legitimate location (when possible)
installation of a service
installation of legitimate service.
legitimate administration activities is expected to trigger false positives. investigate the command line being passed to determine if the service or launch agent are suspicious.
legitimate administration use
legitimate administrator or user creates a service for legitimate reasons.
legitimate reconfiguration of service.
legitimate use of process hacker or system informer by developers or system administrators
legitimate use of psservice by an administrator
legitimate use of the tool
rare legitimate installation of kernel drivers via sc.exe
software installation
system informer is regularly used legitimately by system administrators or developers. apply additional filters accordingly
the rule doesn't look for anything suspicious so false positives are expected. if you use one of the tools mentioned, comment it out
there is a relevant set of false positives depending on applications in the environment
trusted applications persisting via launchagent
trusted applications persisting via launchdaemons
trusted finder sync plugins
trusted openssh executable updates. it's recommended to verify the integrity of openssh binary changes.
trusted system module updates or allowed pluggable authentication module (pam) daemon configuration changes.
unlikely
users running scripts in the course of technical support operations of software upgrades could trigger this alert. a newly installed program or one that runs rarely as part of a monthly or quarterly workflow could trigger this alert.
while sometimes 'process hacker is used by legitimate administrators, the execution of process hacker must be investigated and allowed on a case by case basis