Privilege Escalation via NTLMRelay2Self

[rule]
description = """
Identifies attempt to coerce a local NTLM authentication via HTTP using Printer Spooler service as a target. An
adversary may use this primitive in combination with others to elevate privileges on a compromised system.
"""
id = "cabd7f21-70ff-429b-8818-f210ba603461"
license = "Elastic License v2"
name = "Privilege Escalation via NTLMRelay2Self"
os_list = ["windows"]
reference = ["https://github.com/med0x2e/NTLMRelay2Self"]
version = "1.0.27"

query = '''
process where event.action == "start" and
  process.name : "rundll32.exe" and 
  
  /* Rundll32 WbeDav Client  */
  process.args : ("?:\\Windows\\System32\\davclnt.dll,DavSetCookie", "?:\\Windows\\SysWOW64\\davclnt.dll,DavSetCookie") and 
  
  /* Access to named pipe via http */
  process.args : ("http*/print/pipe/*", "http*/pipe/spoolss", "http*/pipe/srvsvc")
'''

min_endpoint_version = "7.15.0"
[[actions]]
action = "kill_process"
field = "process.entity_id"
state = 0

[[optional_actions]]
action = "rollback"
field = "process.entity_id"
state = 0

[[threat]]
framework = "MITRE ATT&CK"
[[threat.technique]]
id = "T1068"
name = "Exploitation for Privilege Escalation"
reference = "https://attack.mitre.org/techniques/T1068/"


[threat.tactic]
id = "TA0004"
name = "Privilege Escalation"
reference = "https://attack.mitre.org/tactics/TA0004/"
[[threat]]
framework = "MITRE ATT&CK"
[[threat.technique]]
id = "T1558"
name = "Steal or Forge Kerberos Tickets"
reference = "https://attack.mitre.org/techniques/T1558/"


[threat.tactic]
id = "TA0006"
name = "Credential Access"
reference = "https://attack.mitre.org/tactics/TA0006/"

[internal]
min_endpoint_version = "7.15.0"