Tanaka Zakku
109 lines
3.6 KiB
YAML
109 lines
3.6 KiB
YAML
title: Suspicious Rundll32 Activity
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author: juju4, Jonhnathan Ribeiro, oscd.community
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date: 2019/01/16
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description: Detects suspicious process related to rundll32 based on arguments
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detection:
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SELECTION_1:
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EventID: 1
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SELECTION_10:
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CommandLine: '*zipfldr.dll*'
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SELECTION_11:
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CommandLine: '*RouteTheCall*'
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SELECTION_12:
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CommandLine: '*shell32.dll*'
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SELECTION_13:
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CommandLine: '*Control_RunDLL*'
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SELECTION_14:
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CommandLine: '*shell32.dll*'
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SELECTION_15:
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CommandLine: '*ShellExec_RunDLL*'
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SELECTION_16:
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CommandLine: '*mshtml.dll*'
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SELECTION_17:
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CommandLine: '*PrintHTML*'
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SELECTION_18:
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CommandLine: '*advpack.dll*'
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SELECTION_19:
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CommandLine: '*LaunchINFSection*'
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SELECTION_2:
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CommandLine: '*javascript:*'
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SELECTION_20:
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CommandLine: '*advpack.dll*'
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SELECTION_21:
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CommandLine: '*RegisterOCX*'
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SELECTION_22:
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CommandLine: '*ieadvpack.dll*'
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SELECTION_23:
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CommandLine: '*LaunchINFSection*'
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SELECTION_24:
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CommandLine: '*ieadvpack.dll*'
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SELECTION_25:
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CommandLine: '*RegisterOCX*'
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SELECTION_26:
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CommandLine: '*ieframe.dll*'
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SELECTION_27:
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CommandLine: '*OpenURL*'
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SELECTION_28:
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CommandLine: '*shdocvw.dll*'
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SELECTION_29:
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CommandLine: '*OpenURL*'
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SELECTION_3:
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CommandLine: '*.RegisterXLL*'
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SELECTION_30:
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CommandLine: '*syssetup.dll*'
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SELECTION_31:
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CommandLine: '*SetupInfObjectInstallAction''*'
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SELECTION_32:
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CommandLine: '*setupapi.dll*'
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SELECTION_33:
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CommandLine: '*InstallHinfSection*'
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SELECTION_34:
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CommandLine: '*pcwutl.dll*'
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SELECTION_35:
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CommandLine: '*LaunchApplication*'
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SELECTION_36:
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CommandLine: '*dfshim.dll*'
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SELECTION_37:
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CommandLine: '*ShOpenVerbApplication*'
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SELECTION_4:
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CommandLine: '*url.dll*'
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SELECTION_5:
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CommandLine: '*OpenURL*'
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SELECTION_6:
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CommandLine: '*url.dll*'
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SELECTION_7:
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CommandLine: '*OpenURLA*'
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SELECTION_8:
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CommandLine: '*url.dll*'
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SELECTION_9:
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CommandLine: '*FileProtocolHandler*'
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condition: (SELECTION_1 and ((SELECTION_2 or SELECTION_3) or (SELECTION_4 and
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SELECTION_5) or (SELECTION_6 and SELECTION_7) or (SELECTION_8 and SELECTION_9)
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or (SELECTION_10 and SELECTION_11) or (SELECTION_12 and SELECTION_13) or (SELECTION_14
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and SELECTION_15) or (SELECTION_16 and SELECTION_17) or (SELECTION_18 and
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SELECTION_19) or (SELECTION_20 and SELECTION_21) or (SELECTION_22 and SELECTION_23)
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or (SELECTION_24 and SELECTION_25) or (SELECTION_26 and SELECTION_27) or (SELECTION_28
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and SELECTION_29) or (SELECTION_30 and SELECTION_31) or (SELECTION_32 and
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SELECTION_33) or (SELECTION_34 and SELECTION_35) or (SELECTION_36 and SELECTION_37)))
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falsepositives:
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- False positives depend on scripts and administrative tools used in the monitored
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environment
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id: e593cf51-88db-4ee1-b920-37e89012a3c9
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level: medium
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logsource:
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category: process_creation
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product: windows
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references:
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- http://www.hexacorn.com/blog/2017/05/01/running-programs-via-proxy-jumping-on-a-edr-bypass-trampoline/
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- https://twitter.com/Hexacorn/status/885258886428725250
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- https://gist.github.com/ryhanson/227229866af52e2d963cf941af135a52
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status: experimental
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tags:
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- attack.defense_evasion
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- attack.execution
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- attack.t1218.011
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- attack.t1085
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yml_filename: win_susp_rundll32_activity.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation
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