t1048 | LoFP

t1048

Title	Tags
admin nslookup usage	t1048 endpoint splunk
administrative scripts	t1021 t1021.002 t1039 t1048 t1055 t1059 t1059.001 t1059.005 t1137 t1218 t1543 t1543.003 windows sigma
ftp servers should be excluded from this rule as this is expected behavior. some business workflows may use ftp for data exchange. these workflows often have expected characteristics such as users, sources, and destinations. ftp activity involving an unusual source or destination may be more suspicious. ftp activity involving a production server that has no known associated ftp workflow or business requirement is often suspicious.	t1048 _deprecated elastic
irc activity may be normal behavior for developers and engineers but is unusual for non-engineering end users. irc activity involving an unusual source or destination may be more suspicious. irc activity involving a production server is often suspicious. because these ports are in the ephemeral range, this rule may false under certain conditions, such as when a nat-ed web server replies to a client which has used a port in the range by coincidence. in this case, these servers can be excluded. some legacy applications may use these ports, but this is very uncommon and usually only appears in local traffic using private ips, which does not match this rule's conditions.	t1048 _deprecated elastic
it's possible there can be long domain names that are legitimate.	t1048 t1048.003 endpoint splunk
legitimate data export operations.	t1048 windows sigma
legitimate openvpn tap installation	t1048 windows sigma
legitimate script	t1018 t1021 t1021.006 t1048 t1059 t1218 t1218.007 t1562 t1562.001 windows sigma
legitimate usage of system.net.networkinformation.ping class	t1048 t1048.003 windows sigma
legitimate usage of wget utility to post a file	t1048 t1048.003 linux sigma
nated servers that process email traffic may false and should be excluded from this rule as this is expected behavior for them. consumer and personal devices may send email traffic to remote internet destinations. in this case, such devices or networks can be excluded from this rule if this is expected behavior.	t1048 _deprecated elastic
network admin and normal user may send this file attachment as part of their day to day work. having a good protocol in attaching this file type to an e-mail may reduce the risk of having a spear phishing attack.	t1048 t1048.003 t1566 t1566.001 gsuite splunk
none identified	t1048 t1048.003 t1070 t1204.002 t1546 t1546.011 t1566 t1566.001 endpoint splunk
normal archive transfer via http protocol may trip this detection.	t1048 t1048.003 endpoint splunk
other smtp tools	t1048 t1048.003 windows sigma
rdp connections may be made directly to internet destinations in order to access windows cloud server instances but such connections are usually made only by engineers. in such cases, only rdp gateways, bastions or jump servers may be expected internet destinations and can be exempted from this rule. rdp may be required by some work-flows such as remote access and support for specialized software products and servers. such work-flows are usually known and not unexpected. usage that is unfamiliar to server or network owners can be unexpected and suspicious.	t1048 t1190 _deprecated elastic
servers that process email traffic may cause false positives and should be excluded from this rule as this is expected behavior.	t1048 network 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 windows opencanary okta m365 azure bitbucket macos linux sigma
will depending on accuracy of dlp rules, these can be noisy so tune appropriately.	t1048 t1567 o365 tenant splunk