Detectionmediumtest

Potential Binary Impersonating Sysinternals Tools

Detects binaries that use the same name as legitimate sysinternals tools to evade detection. This rule looks for the execution of binaries that are named similarly to Sysinternals tools. Adversary may rename their malicious tools as legitimate Sysinternals tools to evade detection.

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Launch

François Hubaut, Swachchhanda Shrawan Poudel (Nextron Systems)Created Mon Dec 20Updated Sat Apr 127cce6fc8-a07f-4d84-a53e-96e1879843c9windows

Log Source

WindowsProcess Creation

ProductWindows← raw: windows

CategoryProcess Creation← raw: process_creation

Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.

Detection Logic

detection:
    selection_exe:
        Image|endswith:
            - '\accesschk.exe'
            - '\accesschk64.exe'
            - '\AccessEnum.exe'
            - '\ADExplorer.exe'
            - '\ADExplorer64.exe'
            - '\ADInsight.exe'
            - '\ADInsight64.exe'
            - '\adrestore.exe'
            - '\adrestore64.exe'
            - '\Autologon.exe'
            - '\Autologon64.exe'
            - '\Autoruns.exe'
            - '\Autoruns64.exe'
            - '\autorunsc.exe'
            - '\autorunsc64.exe'
            - '\Bginfo.exe'
            - '\Bginfo64.exe'
            - '\Cacheset.exe'
            - '\Cacheset64.exe'
            - '\Clockres.exe'
            - '\Clockres64.exe'
            - '\Contig.exe'
            - '\Contig64.exe'
            - '\Coreinfo.exe'
            - '\Coreinfo64.exe'
            - '\CPUSTRES.EXE'
            - '\CPUSTRES64.EXE'
            - '\ctrl2cap.exe'
            - '\Dbgview.exe'
            - '\dbgview64.exe'
            - '\Desktops.exe'
            - '\Desktops64.exe'
            - '\disk2vhd.exe'
            - '\disk2vhd64.exe'
            - '\diskext.exe'
            - '\diskext64.exe'
            - '\Diskmon.exe'
            - '\Diskmon64.exe'
            - '\DiskView.exe'
            - '\DiskView64.exe'
            - '\du.exe'
            - '\du64.exe'
            - '\efsdump.exe'
            - '\FindLinks.exe'
            - '\FindLinks64.exe'
            - '\handle.exe'
            - '\handle64.exe'
            - '\hex2dec.exe'
            - '\hex2dec64.exe'
            - '\junction.exe'
            - '\junction64.exe'
            - '\ldmdump.exe'
            - '\listdlls.exe'
            - '\listdlls64.exe'
            - '\livekd.exe'
            - '\livekd64.exe'
            - '\loadOrd.exe'
            - '\loadOrd64.exe'
            - '\loadOrdC.exe'
            - '\loadOrdC64.exe'
            - '\logonsessions.exe'
            - '\logonsessions64.exe'
            - '\movefile.exe'
            - '\movefile64.exe'
            - '\notmyfault.exe'
            - '\notmyfault64.exe'
            - '\notmyfaultc.exe'
            - '\notmyfaultc64.exe'
            - '\ntfsinfo.exe'
            - '\ntfsinfo64.exe'
            - '\pendmoves.exe'
            - '\pendmoves64.exe'
            - '\pipelist.exe'
            - '\pipelist64.exe'
            - '\portmon.exe'
            - '\procdump.exe'
            - '\procdump64.exe'
            - '\procexp.exe'
            - '\procexp64.exe'
            - '\Procmon.exe'
            - '\Procmon64.exe'
            - '\psExec.exe'
            - '\psExec64.exe'
            - '\psfile.exe'
            - '\psfile64.exe'
            - '\psGetsid.exe'
            - '\psGetsid64.exe'
            - '\psInfo.exe'
            - '\psInfo64.exe'
            - '\pskill.exe'
            - '\pskill64.exe'
            - '\pslist.exe'
            - '\pslist64.exe'
            - '\psLoggedon.exe'
            - '\psLoggedon64.exe'
            - '\psloglist.exe'
            - '\psloglist64.exe'
            - '\pspasswd.exe'
            - '\pspasswd64.exe'
            - '\psping.exe'
            - '\psping64.exe'
            - '\psService.exe'
            - '\psService64.exe'
            - '\psshutdown.exe'
            - '\psshutdown64.exe'
            - '\pssuspend.exe'
            - '\pssuspend64.exe'
            - '\RAMMap.exe'
            - '\RAMMap64.exe'
            - '\RDCMan.exe'
            - '\RegDelNull.exe'
            - '\RegDelNull64.exe'
            - '\regjump.exe'
            - '\ru.exe'
            - '\ru64.exe'
            - '\sdelete.exe'
            - '\sdelete64.exe'
            - '\ShareEnum.exe'
            - '\ShareEnum64.exe'
            - '\shellRunas.exe'
            - '\sigcheck.exe'
            - '\sigcheck64.exe'
            - '\streams.exe'
            - '\streams64.exe'
            - '\strings.exe'
            - '\strings64.exe'
            - '\sync.exe'
            - '\sync64.exe'
            - '\Sysmon.exe'
            - '\Sysmon64.exe'
            - '\tcpvcon.exe'
            - '\tcpvcon64.exe'
            - '\tcpview.exe'
            - '\tcpview64.exe'
            - '\Testlimit.exe'
            - '\Testlimit64.exe'
            - '\vmmap.exe'
            - '\vmmap64.exe'
            - '\Volumeid.exe'
            - '\Volumeid64.exe'
            - '\whois.exe'
            - '\whois64.exe'
            - '\Winobj.exe'
            - '\Winobj64.exe'
            - '\ZoomIt.exe'
            - '\ZoomIt64.exe'
    selection_arm64:
        Image|endswith:
            - '\accesschk64a.exe'
            - '\ADExplorer64a.exe'
            - '\ADInsight64a.exe'
            - '\adrestore64a.exe'
            - '\Autologon64a.exe'
            - '\Autoruns64a.exe'
            - '\autorunsc64a.exe'
            - '\Clockres64a.exe'
            - '\Contig64a.exe'
            - '\Coreinfo64a.exe'
            - '\Dbgview64a.exe'
            - '\disk2vhd64a.exe'
            - '\diskext64a.exe'
            - '\DiskView64a.exe'
            - '\du64a.exe'
            - '\FindLinks64a.exe'
            - '\handle64a.exe'
            - '\hex2dec64a.exe'
            - '\junction64a.exe'
            - '\LoadOrd64a.exe'
            - '\LoadOrdC64a.exe'
            - '\logonsessions64a.exe'
            - '\movefile64a.exe'
            - '\notmyfault64a.exe'
            - '\notmyfaultc64a.exe'
            - '\pendmoves64a.exe'
            - '\pipelist64a.exe'
            - '\procdump64a.exe'
            - '\procexp64a.exe'
            - '\Procmon64a.exe'
            - '\PsExec64a.exe'
            - '\psfile64a.exe'
            - '\PsGetsid64a.exe'
            - '\PsInfo64a.exe'
            - '\pskill64a.exe'
            - '\psloglist64a.exe'
            - '\pspasswd64a.exe'
            - '\psping64a.exe'
            - '\PsService64a.exe'
            - '\pssuspend64a.exe'
            - '\RAMMap64a.exe'
            - '\RegDelNull64a.exe'
            - '\ru64a.exe'
            - '\sdelete64a.exe'
            - '\sigcheck64a.exe'
            - '\streams64a.exe'
            - '\strings64a.exe'
            - '\sync64a.exe'
            - '\Sysmon64a.exe'
            - '\tcpvcon64a.exe'
            - '\tcpview64a.exe'
            - '\vmmap64a.exe'
            - '\whois64a.exe'
            - '\Winobj64a.exe'
            - '\ZoomIt64a.exe'
    filter_valid:
        - Company:
              - 'Sysinternals - www.sysinternals.com'
              - 'Sysinternals'
        - Product|startswith: 'Sysinternals'
    filter_empty:
        - Company: null
        - Product: null
    condition: 1 of selection_* and not 1 of filter_*