Suspicious Execution from a Windows Script
Description
Identifies a Windows script interpreter executing for more than 5 minutes followed by spawning a child process. This may indicate long term network activity from a Windows script which is common pattern of a command and control backdoor via malicious scripts.
Query · eql
sequence with maxspan=1m
[network where process.pid != 4 and event.action == "connection_attempted" and
process.uptime >= 300 and user.id != "S-1-5-18" and
process.name : ("cscript.exe", "wscript.exe", "AutoIt*.exe") and
not cidrmatch(destination.ip, "127.0.0.0/8", "::1", "10.0.0.0/8", "127.0.0.0/8", "169.254.0.0/16", "172.16.0.0/12", "192.0.0.0/24",
"192.0.0.0/29", "192.0.0.8/32", "192.0.0.9/32", "192.0.0.10/32", "192.0.0.170/32", "192.0.0.171/32",
"192.0.2.0/24", "192.31.196.0/24", "192.52.193.0/24", "192.88.99.0/24", "224.0.0.0/4",
"100.64.0.0/10", "192.175.48.0/24","198.18.0.0/15", "198.51.100.0/24", "203.0.113.0/24", "240.0.0.0/4", "::1",
"FE80::/10", "FF00::/8")] by process.entity_id
[process where event.action == "start" and
process.parent.name : ("cscript.exe", "wscript.exe", "AutoIt*.exe") and
not process.hash.sha256 :
("ab4ebfc23f71658cc30d21d53a5d774eba2bc27cf5806aafd18f263590541b89",
"42bb9150cf428aa3ea2ab4d9d27d30072a7af1ee8c00fd735ef90c11d29e96d6") and
not (process.name : "reg.exe" and process.args : "HKLM\\SOFTWARE\\AutoTools\\ADP SmartAgent\\SmartAgent\\Jobs" and user.id == "S-1-5-18") and
not (process.name : "reg.exe" and process.args : "HKLM\\TempHiveTanium-*") and
not process.executable : ("C:\\Windows\\regedit.exe", "C:\\Program Files\\Lexmark\\Print Management Client\\lpmc-app-launcher-win.exe") and
not (process.executable : "C:\\Windows\\SysWOW64\\sc.exe" and process.command_line like "sc config JobEngineService*") and
not process.parent.args :
("?:\\Program Files (x86)\\smartagent\\agent\\common\\snapins\\adpcommon\\ADP_*.vbs",
"C:\\MININT\\Scripts\\LiteTouch.wsf",
"/baseUrl:https://utilities.pcpitstop.com",
"?:\\Program Files (x86)\\Tanium\\Tanium Client\\*.vbs",
"scan.wsf",
"?:\\\\Program Files (x86)\\\\Tanium\\\\Tanium Client\\\\Patch\\\\lib\\\\tanium-patch.min.vbs")] by process.parent.entity_id