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[Tuning] Suspicious Lsass Process Access #4188

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Merged
merged 2 commits into from
Nov 7, 2024
Merged

[Tuning] Suspicious Lsass Process Access #4188

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4e258de
Update credential_access_suspicious_lsass_access_generic.toml
Samirbous Oct 21, 2024
4595887
Merge branch 'main' into Samirbous-patch-1
Samirbous Nov 7, 2024
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15 changes: 13 additions & 2 deletions rules/windows/credential_access_suspicious_lsass_access_generic.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
creation_date = "2023/01/22"
integration = ["windows"]
maturity = "production"
updated_date = "2024/10/15"
updated_date = "2024/10/21"
min_stack_version = "8.14.0"
min_stack_comments = "Breaking change at 8.14.0 for the Windows Integration."

Expand Down Expand Up @@ -51,14 +51,25 @@ process where host.os.type == "windows" and event.code == "10" and
"?:\\Windows\\LTSvc\\LTSVC.exe",
"?:\\Windows\\Sysmon.exe",
"?:\\Windows\\Sysmon64.exe",
"C:\\Windows\\CynetMS.exe",
"?:\\Windows\\system32\\csrss.exe",
"?:\\Windows\\System32\\lsm.exe",
"?:\\Windows\\system32\\MRT.exe",
"?:\\Windows\\System32\\msiexec.exe",
"?:\\Windows\\system32\\wbem\\wmiprvse.exe",
"?:\\Windows\\system32\\wininit.exe",
"?:\\Windows\\SystemTemp\\GUM*.tmp\\GoogleUpdate.exe",
"?:\\Windows\\sysWOW64\\wbem\\wmiprvse.exe"
"?:\\Windows\\sysWOW64\\wbem\\wmiprvse.exe",
"C:\\oracle\\64\\02\\instantclient_19_13\\sqlplus.exe",
"C:\\oracle\\64\\02\\instantclient_19_13\\sqlldr.exe",
"d:\\oracle\\product\\19\\dbhome1\\bin\\ORACLE.EXE",
"C:\\wamp\\bin\\apache\\apache*\\bin\\httpd.exe",
"C:\\Windows\\system32\\netstat.exe",
"C:\\PROGRA~1\\INFORM~1\\apps\\jdk\\*\\jre\\bin\\java.exe",
"C:\\PROGRA~2\\CyberCNSAgentV2\\osqueryi.exe",
"C:\\Utilityw2k19\\packetbeat\\packetbeat.exe",
"C:\\ProgramData\\Cisco\\Cisco AnyConnect Secure Mobility Client\\Temp\\CloudUpdate\\vpndownloader.exe",
"C:\\ProgramData\\Cisco\\Cisco Secure Client\\Temp\\CloudUpdate\\vpndownloader.exe"
) and
not winlog.event_data.CallTrace : ("*mpengine.dll*", "*appresolver.dll*", "*sysmain.dll*")
'''
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