LoFP
/
t1550
t1550
Title
Tags
a user may have multiple sessions open at the same time, such as on a mobile device and a laptop.
t1550
okta
elastic
administrator activity
t1069
t1069.002
t1087
t1087.002
t1550
t1550.002
windows
sigma
application credential additions may be done by a system or network administrator. verify whether the username, hostname, and/or resource name should be making changes in your environment. application credential additions from unfamiliar users or hosts should be investigated. if known behavior is causing false positives, it can be exempted from the rule.
t1550
azure
elastic
applications integrated with aws might assume roles to access aws resources.
t1548
t1550
aws
elastic
assumerole from unfamiliar users or hosts should be investigated. if known behavior is causing false positives, it can be exempted from the rule.
t1548
t1550
t1550.001
aws
sigma
assumerole may be done by a system or network administrator. verify whether the user identity, user agent, and/or hostname should be making changes in your environment.
t1548
t1550
t1550.001
aws
sigma
automated processes that uses terraform may lead to false positives.
t1078
t1548
t1550
t1550.001
aws
sigma
automated workflows might assume roles to perform periodic tasks such as data backups, updates, or deployments.
t1548
t1550
aws
elastic
aws administrators or automated processes might regularly assume roles for legitimate administrative purposes.
t1548
t1550
aws
elastic
aws services might assume roles to access aws resources as part of their standard operations.
t1548
t1550
aws
elastic
custom applications may leverage the kerberos protocol. filter as needed.
t1550
endpoint
splunk
developers may leverage third-party applications for legitimate purposes in google workspace such as for administrative tasks.
t1078
t1550
google_workspace
elastic
environments that use ntlmv1
t1550
t1550.002
windows
sigma
getsessiontoken may be done by a system or network administrator. verify whether the user identity, user agent, and/or hostname should be making changes in your environment. getsessiontoken from unfamiliar users or hosts should be investigated. if known behavior is causing false positives, it can be exempted from the rule.
t1548
t1550
aws
elastic
getsignintoken events will occur when using aws sso portal to login and will generate false positives if you do not filter for the expected user agent(s), see filter. non-sso configured roles would be abnormal and should be investigated.
t1021
t1021.007
t1550
t1550.001
aws
sigma
go utilities that use staaldraad awesome ntlm library
t1059
t1087
t1114
t1550
t1550.002
windows
sigma
if key credentials are regularly assigned to users, these events will need to be tuned out.
t1222.001
t1550
endpoint
splunk
legacy hosts
t1550
t1550.002
windows
sigma
legitimate device registrations using microsoft authentication broker may occur during corporate enrollment scenarios or bulk provisioning, but it is uncommon for multiple source ips to register the same identity across microsoft graph, device registration service (drs), and azure active directory (aad) in a short time span.
t1098
t1550
azure
elastic
legitimate remote administration activity
t1550
windows
sigma
legitimate users may encounter access denied errors during permission testing, role transitions, or when service permissions are being reconfigured. access denials may also happen when automated processes are using outdated credentials or when new bedrock features are being explored.
t1078
t1550
aws account
splunk
role chaining can be used as an access control. ensure that this behavior is not part of a legitimate operation before taking action.
t1548
t1550
aws
elastic
runas command-line tool using /netonly parameter
t1550
t1550.002
windows
sigma
saml provider being updated from unfamiliar users should be investigated. if known behavior is causing false positives, it can be exempted from the rule.
t1078
t1548
t1550
t1550.001
aws
sigma
this is very uncommon behavior and should result in minimal false positives, ensure validity of the triggered event and include exceptions where necessary.
t1021
t1550
aws
elastic
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
t1486
t1489
t1490
t1496
t1498
t1499
t1499.001
t1505
t1505.003
t1526
t1528
t1543
t1543.003
t1546
t1546.008
t1546.015
t1548
t1548.003
t1550
t1550.003
t1552
t1552.004
t1553
t1553.004
t1555
t1556
t1557
t1557.001
t1558
t1558.003
t1562
t1562.001
t1562.002
t1562.010
t1564
t1564.004
t1566
t1569
t1569.002
t1570
t1574
t1574.001
t1574.002
t1586
t1587
t1587.001
t1588
t1588.002
t1590
t1590.001
t1590.002
t1620
t1649
linux
macos
windows
opencanary
azure
bitbucket
okta
m365
sigma
web browsers and third party application might generate similar activity. an initial baseline is required.
t1550
t1550.003
t1558
t1558.003
windows
sigma