mirror of
https://github.com/valitydev/SigmaHQ.git
synced 2024-11-07 09:48:58 +00:00
70 lines
2.9 KiB
YAML
70 lines
2.9 KiB
YAML
title: Impacket Lateralization Detection
|
|
id: 10c14723-61c7-4c75-92ca-9af245723ad2
|
|
status: experimental
|
|
description: Detects wmiexec/dcomexec/atexec/smbexec from Impacket framework
|
|
references:
|
|
- https://github.com/SecureAuthCorp/impacket/blob/master/examples/wmiexec.py
|
|
- https://github.com/SecureAuthCorp/impacket/blob/master/examples/atexec.py
|
|
- https://github.com/SecureAuthCorp/impacket/blob/master/examples/smbexec.py
|
|
- https://github.com/SecureAuthCorp/impacket/blob/master/examples/dcomexec.py
|
|
author: Ecco, oscd.community, Jonhnathan Ribeiro
|
|
date: 2019/09/03
|
|
modified: 2020/09/01
|
|
logsource:
|
|
category: process_creation
|
|
product: windows
|
|
detection:
|
|
selection_other:
|
|
# *** wmiexec.py
|
|
# parent is wmiprvse.exe
|
|
# examples:
|
|
# cmd.exe /Q /c whoami 1> \\127.0.0.1\ADMIN$\__1567439113.54 2>&1
|
|
# cmd.exe /Q /c cd 1> \\127.0.0.1\ADMIN$\__1567439113.54 2>&1
|
|
# *** dcomexec.py -object MMC20
|
|
# parent is mmc.exe
|
|
# example:
|
|
# "C:\Windows\System32\cmd.exe" /Q /c cd 1> \\127.0.0.1\ADMIN$\__1567442499.05 2>&1
|
|
# *** dcomexec.py -object ShellBrowserWindow
|
|
# runs %SystemRoot%\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {c08afd90-f2a1-11d1-8455-00a0c91f3880} but parent command is explorer.exe
|
|
# example:
|
|
# "C:\Windows\System32\cmd.exe" /Q /c cd \ 1> \\127.0.0.1\ADMIN$\__1567520103.71 2>&1
|
|
# *** smbexec.py
|
|
# parent is services.exe
|
|
# example:
|
|
# C:\Windows\system32\cmd.exe /Q /c echo tasklist ^> \\127.0.0.1\C$\__output 2^>^&1 > C:\Windows\TEMP\execute.bat & C:\Windows\system32\cmd.exe /Q /c C:\Windows\TEMP\execute.bat & del C:\Windows\TEMP\execute.bat
|
|
ParentImage|endswith:
|
|
- '\wmiprvse.exe' # wmiexec
|
|
- '\mmc.exe' # dcomexec MMC
|
|
- '\explorer.exe' # dcomexec ShellBrowserWindow
|
|
- '\services.exe' # smbexec
|
|
CommandLine|contains|all:
|
|
- 'cmd.exe'
|
|
- '/Q'
|
|
- '/c'
|
|
- '\\\\127.0.0.1\'
|
|
- '&1'
|
|
selection_atexec:
|
|
ParentCommandLine|contains:
|
|
- 'svchost.exe -k netsvcs' # atexec on win10 (parent is "C:\Windows\system32\svchost.exe -k netsvcs")
|
|
- 'taskeng.exe' # atexec on win7 (parent is "taskeng.exe {AFA79333-694C-4BEE-910E-E57D9A3518F6} S-1-5-18:NT AUTHORITY\System:Service:")
|
|
# cmd.exe /C tasklist /m > C:\Windows\Temp\bAJrYQtL.tmp 2>&1
|
|
CommandLine|contains|all:
|
|
- 'cmd.exe'
|
|
- '/C'
|
|
- 'Windows\Temp\'
|
|
- '&1'
|
|
condition: (1 of selection_*)
|
|
fields:
|
|
- CommandLine
|
|
- ParentCommandLine
|
|
tags:
|
|
- attack.execution
|
|
- attack.t1047
|
|
- attack.lateral_movement
|
|
- attack.t1175 # an old one
|
|
- attack.t1021.003
|
|
- attack.t1021 # an old one
|
|
falsepositives:
|
|
- pentesters
|
|
level: critical
|