t1218 | LoFP

t1218

Title	Tags
administrative or software activity	t1105 t1218 t1552 t1552.001 t1564 t1564.004 windows sigma
administrative scripts	t1021 t1021.002 t1039 t1048 t1055 t1059 t1059.001 t1059.005 t1137 t1218 t1543 t1543.003 windows sigma
administrator typo might cause some false positives	t1218 t1218.010 windows sigma
administrators building packages using iexpress.exe	t1218 windows sigma
administrators may legitimately use applocker to allow applications.	t1218 endpoint splunk
administrators that have renamed megasync	t1218 windows sigma
administrators using the diskshadow tool in their infrastructure as a main backup tool with scripts will cause false positives that can be filtered with `windows_diskshadow_proxy_execution_filter`	t1218 endpoint splunk
app-v clients	t1218 windows sigma
communication to other corporate systems that use ip addresses from public address spaces	t1218 t1218.011 windows sigma
creation of non-default, legitimate at usage	t1218 t1547 windows sigma
expected fp with some electron based applications such as (1clipboard, beaker browser, caret, discord, github desktop, etc.)	t1218 windows sigma
false positives are expected with legitimate \".chm\"	t1218 t1218.001 windows sigma
false positives are likely, as bitlockertogo.exe is a legitimate windows utility used for managing bitlocker encryption. however, monitor for usage of bitlockertogo.exe in your environment, tune as needed. if bitlockertogo.exe is not used in your environment, move to ttp.	t1218 endpoint splunk
false positives are possible if legitimate users are attempting to bypass application restrictions. this could occur if a user is attempting to run an application that is not permitted by applocker. it is recommended to investigate the context of the bypass attempt to determine if it is malicious or not. modify the threshold as needed to reduce false positives.	t1218 endpoint splunk
false positives are possible if legitimate users are executing applications from file paths that are not permitted by applocker. it is recommended to investigate the context of the application execution to determine if it is malicious or not. modify the threshold as needed to reduce false positives.	t1218 endpoint splunk
false positives are possible if legitimate users are launching applications that are not permitted by applocker. it is recommended to investigate the context of the application launch to determine if it is malicious or not. modify the threshold as needed to reduce false positives.	t1218 endpoint splunk
false positives depend on custom use of vsls-agent.exe	t1218 windows sigma
false positives depend on scripts and administrative tools used in the monitored environment	t1036 t1059 t1059.007 t1082 t1087 t1105 t1140 t1218 t1218.005 t1218.007 t1218.011 windows sigma
false positives may be present if the vbscript syncappvpublishingserver is used for legitimate purposes. filter as needed. adding a n; to the command-line arguments may help reduce any noise.	t1216 t1218 endpoint splunk
false positives may be present, filter as needed. added .xml to potentially capture any answer file usage. remove as needed.	t1218 endpoint splunk
false positives may occur if you execute the script from one of the paths mentioned in the rule. apply additional filters that fits your org needs.	t1218 windows sigma
false positives will be limited to applications that require rasautou.exe to load a dll from disk. filter as needed.	t1055.001 t1218 endpoint splunk
false postitve can occur in cases where admin scripts levreage the \"exec\" flag to execute applications	t1218 windows sigma
false postitve might occur with legitimate or uncommon extensions used internally. initial baseline is required.	t1218 windows sigma
fqdns that start with a number such as \"7-zip\"	t1218 t1218.010 windows sigma
hp software	t1218 t1218.005 windows sigma
in development environment where vscode is used heavily. false positives may occur when developers use task to compile or execute different types of code. remove or add processes accordingly	t1202 t1218 windows sigma
in rare occurrences where \"odbcconf\" crashes. it might spawn a \"werfault\" process	t1218 t1218.008 windows sigma
it's not an uncommon to use te.exe directly to execute legal taef tests	t1218 windows sigma
legit usage of scripts	t1218 windows sigma
legitimate \".bat\", \".hta\", \".ps1\" or \".vbs\" scripts leverage legitimately often. apply additional filter and exclusions as necessary	t1218 t1218.010 windows sigma
legitimate \".xbap\" being executed via \"presentationhost\"	t1218 windows sigma
legitimate admin or third party scripts used for diagnostic collection might generate some false positives	t1218 windows sigma
legitimate administrator usage	t1218 windows sigma
legitimate administrators granting over permissive permissions to users	t1218 windows sigma
legitimate applications packaged with advanced installer using the package support framework may trigger this detection. verify if the msix package is from a trusted source and signed by a trusted publisher before taking action. organizations that use advanced installer for legitimate software packaging may see false positives.	t1204.002 t1218 t1553.005 endpoint splunk
legitimate cmstp use (unlikely in modern enterprise environments)	t1218 t1218.003 t1548 t1548.002 t1559 t1559.001 windows sigma
legitimate dlls being registered via \"odbcconf\" will generate false positives. investigate the path of the dll and its content to determine if the action is authorized.	t1218 t1218.008 windows sigma
legitimate driver dlls being registered via \"odbcconf\" will generate false positives. investigate the path of the dll and its contents to determine if the action is authorized.	t1218 t1218.008 windows sigma
legitimate execution of dxcap.exe by legitimate user	t1218 windows sigma
legitimate installation of a new screensaver	t1218 t1218.011 windows sigma
legitimate scheduled tasks may be created during installation of new software.	t1053 t1059 t1218 windows elastic
legitimate script	t1018 t1021 t1021.006 t1048 t1059 t1218 t1218.007 t1562 t1562.001 windows sigma
legitimate testing of microsoft ui parts.	t1218 windows sigma
legitimate usage by software developers	t1072 t1218 windows sigma
legitimate usage by software developers/testers	t1003 t1003.001 t1218 windows sigma
legitimate usage for administration purposes	t1003 t1003.005 t1218 windows sigma
legitimate usage for tracing and diagnostics purposes	t1218 windows sigma
legitimate usage of bitlockertogo.exe to encrypt portable devices.	t1218 windows sigma
legitimate usage of chflags by administrators and users.	t1105 t1218 t1552 t1552.001 t1564 t1564.004 macos sigma
legitimate usage of internal automation or scripting, especially powershell.exe or pwsh.exe, internal to internal or logon scripts. it may be necessary to omit internal ip ranges if extremely noisy. ie not dest_ip in (\"10.0.0.0/8\",\"172.16.0.0/12\",\"192.168.0.0/16\",\"170.98.0.0/16\",\"0:0:0:0:0:0:0:1\")	t1105 t1218 t1567 endpoint splunk
legitimate usage of stordiag.exe.	t1218 windows sigma
legitimate usage of the script. always investigate what's being registered to confirm if it's benign	t1218 windows sigma
legitimate usage of the uncommon windows work folders feature.	t1218 windows sigma
legitimate usage of the utility in order to debug and trace a program.	t1218 windows sigma
legitimate use by developers as part of nodejs development with visual studio tools	t1218 windows sigma
legitimate use of cmstp.exe utility by legitimate user	t1218 t1218.003 t1548 t1548.002 windows sigma
legitimate use of debugging tools	t1106 t1127 t1218 windows sigma
legitimate use of devtoolslauncher.exe by legitimate user	t1218 windows sigma
legitimate use of dnx.exe by legitimate user	t1027 t1027.004 t1218 windows sigma
legitimate use of dsacls to bind to an ldap session	t1218 windows sigma
legitimate use of regasm by developers.	t1218 t1218.009 windows sigma
legitimate use of screen saver	t1218 t1218.011 windows sigma
legitimate use via intune management. you exclude script paths and names to reduce fp rate	t1218 windows sigma
legitimate use when app-v is deployed	t1218 windows sigma
legitimate uses of logon scripts distributed via group policy	t1218 windows sigma
legitimate, non-default assistive technology applications execution	t1218 windows sigma
microsoft sccm	t1059 t1059.001 t1059.005 t1218 windows sigma
microsoft windows installers leveraging rundll32 for installation.	t1059 t1218 t1552 windows elastic
need to use extra processing with 'unique_count' / 'filter' to focus on outliers as opposed to commonly seen artifacts	t1218 windows sigma
other child processes will depend on the dll being registered by actions like \"regsvr\". in case where the dlls have external calls (which should be rare). other child processes might spawn and additional filters need to be applied.	t1218 t1218.008 windows sigma
other vb scripts that leverage the same starting command line flags	t1218 windows sigma
possible undocumented parents of \"msdt\" other than \"pcwrun\"	t1218 windows sigma
printer software / driver installations	t1218 t1218.005 windows sigma
process dumping is the expected behavior of the tool. so false positives are expected in legitimate usage. the pid/process name of the process being dumped needs to be investigated	t1218 windows sigma
rundll32.exe with zzzzinvokemanagedcustomactionoutofproc in command line and msiexec.exe as parent process - https://twitter.com/sbousseaden/status/1388064061087260675	t1218 windows sigma
scripts and administrative tools that use inf files for driver installation with setupapi.dll	t1218 t1218.011 windows sigma
security testing may produce events like this. activity of this kind performed by non-engineers and ordinary users is unusual.	t1218 windows elastic
since the content of the files are unknown, false positives are expected	t1105 t1218 windows sigma
software that illegally integrates megasync in a renamed form	t1218 windows sigma
some installers might execute \"regsvr32\" with dlls located in %temp% or in %programdata%. apply additional filters if necessary.	t1218 t1218.010 windows sigma
some legitimate system maintenance tools might use msc files with unusual parameters. filter for specific known maintenance activities in your environment.	t1036.005 t1203 t1218 endpoint splunk
some legitimate windows services	t1218 t1218.010 windows sigma
some system binaries may execute without arguments in rare legitimate scenarios (e.g., certain service launches), and initiate a network connection to microsoft servers for telemetry or update purposes. apply additional filters as needed. however, binaries such as `rundll32.exe` or `dllhost.exe` running with no command-line context are highly suspicious and warrant investigation.	t1055 t1218 endpoint splunk
system administrator usage	t1069 t1069.001 t1218 t1485 t1548 t1548.002 windows sigma
the html help executable program (hh.exe) runs whenever a user clicks a compiled help (.chm) file or menu item that opens the help file inside the help viewer. this is not always malicious, but adversaries may abuse this technology to conceal malicious code.	t1204 t1218 windows elastic
the installation of new screen savers by third party software	t1218 t1218.011 windows sigma
the process spawned by vsjitdebugger.exe is uncommon.	t1218 windows sigma
the rule is looking for any usage of response file, which might generate false positive when this function is used legitimately. investigate the contents of the \".rsp\" file to determine if it is malicious and apply additional filters if necessary.	t1218 t1218.008 windows sigma
udl files serve as a convenient and flexible tool for managing and testing database connections in various development and administrative scenarios.	t1071 t1218 t1218.011 windows sigma
unikely	t1218 t1218.003 windows sigma
unknown	t1003 t1003.001 t1003.002 t1003.003 t1003.004 t1003.006 t1005 t1008 t1010 t1012 t1018 t1020 t1021 t1021.001 t1021.002 t1021.003 t1021.005 t1021.006 t1027 t1027.001 t1027.003 t1027.004 t1027.005 t1027.009 t1027.010 t1033 t1036 t1036.003 t1036.005 t1036.007 t1040 t1046 t1047 t1048 t1048.003 t1049 t1053 t1053.002 t1053.005 t1055 t1055.001 t1055.003 t1055.009 t1055.011 t1055.012 t1056 t1056.001 t1057 t1059 t1059.001 t1059.002 t1059.003 t1059.004 t1059.005 t1059.006 t1059.007 t1068 t1069 t1069.001 t1069.002 t1069.003 t1070 t1070.003 t1070.004 t1070.005 t1070.006 t1071 t1071.001 t1071.004 t1072 t1074 t1074.001 t1078 t1078.001 t1078.003 t1078.004 t1082 t1083 t1087 t1087.001 t1087.002 t1087.004 t1090 t1090.001 t1090.003 t1095 t1098 t1102 t1102.001 t1102.003 t1104 t1105 t1106 t1110 t1110.001 t1112 t1113 t1114 t1114.001 t1115 t1119 t1123 t1127 t1127.001 t1133 t1134 t1134.001 t1134.002 t1134.003 t1135 t1136 t1136.001 t1136.002 t1137 t1137.002 t1137.006 t1140 t1176 t1176.001 t1185 t1187 t1190 t1195 t1195.001 t1197 t1199 t1200 t1201 t1202 t1203 t1204 t1204.001 t1204.002 t1204.004 t1207 t1210 t1211 t1212 t1216 t1216.001 t1217 t1218 t1218.001 t1218.002 t1218.003 t1218.005 t1218.007 t1218.009 t1218.010 t1218.011 t1218.013 t1219 t1219.002 t1220 t1222 t1222.001 t1482 t1484 t1485 t1486 t1489 t1490 t1491 t1491.001 t1497 t1497.001 t1498 t1499 t1499.004 t1505 t1505.003 t1505.004 t1518 t1518.001 t1526 t1528 t1529 t1531 t1537 t1539 t1543 t1543.001 t1543.003 t1543.004 t1546 t1546.001 t1546.002 t1546.003 t1546.007 t1546.008 t1546.009 t1546.010 t1546.011 t1546.012 t1546.015 t1547 t1547.001 t1547.003 t1547.004 t1547.005 t1547.006 t1547.008 t1547.009 t1547.010 t1548 t1548.001 t1548.002 t1552 t1552.001 t1552.002 t1552.004 t1552.006 t1553 t1553.004 t1555 t1555.003 t1555.004 t1555.005 t1556 t1556.002 t1557 t1557.001 t1557.003 t1558 t1558.003 t1559 t1559.001 t1559.002 t1560 t1560.001 t1562 t1562.001 t1562.002 t1562.004 t1562.006 t1563 t1563.002 t1564 t1564.001 t1564.002 t1564.003 t1564.004 t1565 t1566 t1566.001 t1566.002 t1567 t1567.002 t1569 t1569.002 t1571 t1572 t1573 t1574 t1574.001 t1574.005 t1574.006 t1574.008 t1574.011 t1584 t1587 t1587.001 t1588 t1588.001 t1588.002 t1589 t1593 t1593.003 t1595 t1595.002 t1608 t1609 t1611 t1615 t1621 t1649 linux gcp okta onelogin azure aws m365 macos rpc_firewall kubernetes qualys zeek cisco windows sigma
unlikely	t1003 t1003.001 t1003.002 t1003.004 t1003.005 t1003.006 t1005 t1007 t1008 t1012 t1014 t1016 t1018 t1021 t1021.002 t1021.003 t1021.006 t1027 t1027.005 t1033 t1036 t1036.003 t1036.005 t1036.007 t1041 t1046 t1047 t1048 t1048.001 t1053 t1053.003 t1053.005 t1055 t1055.001 t1056 t1057 t1059 t1059.001 t1059.002 t1059.003 t1068 t1070 t1071 t1071.001 t1071.004 t1078 t1082 t1083 t1087 t1090 t1090.001 t1090.003 t1105 t1106 t1112 t1115 t1123 t1127 t1132 t1132.001 t1133 t1134 t1134.001 t1134.002 t1134.004 t1136 t1136.001 t1136.002 t1137 t1137.002 t1140 t1190 t1202 t1203 t1204 t1210 t1213 t1213.003 t1216 t1218 t1218.001 t1218.008 t1218.010 t1218.011 t1218.013 t1219 t1219.002 t1486 t1489 t1490 t1496 t1498 t1499 t1499.001 t1505 t1505.003 t1526 t1528 t1543 t1543.003 t1546 t1546.008 t1546.015 t1548 t1548.002 t1548.003 t1550 t1550.003 t1552 t1552.004 t1553 t1553.004 t1555 t1556 t1556.006 t1557 t1557.001 t1558 t1558.003 t1562 t1562.001 t1562.002 t1562.010 t1564 t1564.004 t1566 t1569 t1569.002 t1570 t1574 t1574.001 t1574.007 t1586 t1587 t1587.001 t1588 t1588.002 t1590 t1590.001 t1590.002 t1620 t1649 linux okta azure m365 bitbucket macos opencanary windows sigma
unlikely, but can rarely occur. apply additional filters accordingly.	t1218 t1218.010 windows sigma
use of program compatibility troubleshooter helper	t1218 t1218.011 windows sigma
viberpc updater calls this binary with the following commandline \"ie4uinit.exe -cleariconcache\"	t1218 windows sigma
windowsapps installing updates via the quiet flag	t1218 t1218.007 windows sigma