Potential Execution via ZIPExec

[rule]
description = """
Identifies the execution of file dropped via a compressed file (potentially password protected). This may indicate an
attempt to bypass disk-based or anti-malware scanning mechanisms.
"""
id = "8eb74917-9363-4073-a09b-c47101f52c40"
license = "Elastic License v2"
name = "Potential Execution via ZIPExec"
os_list = ["windows"]
reference = ["https://github.com/Tylous/ZipExec"]
version = "1.0.28"

query = '''
sequence with maxspan=5m

  /* cmdkey invoking Windows Shell to open a compressed file */
 [process where event.action == "start" and
   process.pe.original_file_name : "cmdkey.exe" and
   process.command_line : "*Microsoft_Windows_Shell*Folder*filename*"] by process.parent.entity_id

 /* executable file creation by parent of cmdkey*/
 [file where event.action == "creation" and file.Ext.header_bytes : "4d5a*"] by process.entity_id

 /* execution from Explorer temp decompression directory by parent of cmdkey */
 [process where event.action == "start" and process.command_line : "*\\Temp\\Temp?_*"] by process.parent.entity_id
'''

min_endpoint_version = "7.15.0"
[[actions]]
action = "kill_process"
field = "process.entity_id"
state = 2

[[actions]]
action = "kill_process"
field = "process.parent.entity_id"
state = 2

[[optional_actions]]
action = "rollback"
field = "process.parent.entity_id"
state = 2

[[threat]]
framework = "MITRE ATT&CK"
[[threat.technique]]
id = "T1059"
name = "Command and Scripting Interpreter"
reference = "https://attack.mitre.org/techniques/T1059/"
[[threat.technique.subtechnique]]
id = "T1059.005"
name = "Visual Basic"
reference = "https://attack.mitre.org/techniques/T1059/005/"

[[threat.technique.subtechnique]]
id = "T1059.007"
name = "JavaScript"
reference = "https://attack.mitre.org/techniques/T1059/007/"



[threat.tactic]
id = "TA0002"
name = "Execution"
reference = "https://attack.mitre.org/tactics/TA0002/"

[internal]
min_endpoint_version = "7.15.0"