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refactor(rules): Improve Potential ClickFix infection chain rule #572

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Merged
rabbitstack merged 1 commit into from
Jan 25, 2026
Merged

refactor(rules): Improve Potential ClickFix infection chain rule #572

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16 changes: 9 additions & 7 deletions ...ickfix_infection_chain_via_run_window.yml → ...ss_potential_clickfix_infection_chain.yml
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Original file line number Diff line number Diff line change
@@ -1,10 +1,10 @@
name: Potential ClickFix infection chain via Run window
name: Potential ClickFix infection chain
id: ffe1fc54-2893-4760-ab50-51a83bd71d13
version: 1.0.5
version: 2.0.0
description: |
Identifies the execution of the process via the Run command dialog box followed by spawning of the potential
infostealer process.
This could be indicative of the ClickFix deceptive tactic used by attackers to lure victims into executing
Identifies the execution of the process via the Run command dialog box, Windows Console shortuct, or Explorer address bar
followed by spawning of the potential infostealer process.
This could be indicative of the ClickFix deceptive tactic used by attackers to lure victims into executing
malicious commands under the guise of meeting pages or CAPTCHAs.
labels:
tactic.id: TA0001
Expand All @@ -23,10 +23,12 @@ condition: >
maxspan 2m
|spawn_process and
ps.parent.name ~= 'explorer.exe' and length(ps.args) >= 2 and
ps.name iin ('cmd.exe', 'powershell.exe', 'pwsh.exe', 'wget.exe', 'curl.exe', 'msiexec.exe', 'mshta.exe', 'wscript.exe', 'cscript.exe', 'msbuild.exe') and
(thread.callstack.summary imatches
(
'ntdll.dll|KernelBase.dll|kernel32.dll|windows.storage.dll|shell32.dll|user32.dll|shell32.dll|explorer.exe|SHCore.dll|*',
'ntdll.dll|KernelBase.dll|kernel32.dll|windows.storage.dll|shell32.dll|windows.storage.dll|shell32.dll|user32.dll|shell32.dll|explorer.exe|SHCore.dll|*'
'ntdll.dll|KernelBase.dll|kernel32.dll|windows.storage.dll|shell32.dll|windows.storage.dll|shell32.dll|user32.dll|shell32.dll|explorer.exe|SHCore.dll|*',
'ntdll.dll|KernelBase.dll|kernel32.dll|windows.storage.dll|shell32.dll|windows.storage.dll|SHCore.dll|*'
) or
(thread.callstack.summary imatches '*shell32.dll|explorer.exe|*' and thread.callstack.symbols imatches ('*shell32.dll!GetFileNameFromBrowse*'))
)
Expand All @@ -42,7 +44,7 @@ action:
- name: kill

output: >
Potential infostealer process %2.ps.exe executed via the Run command window by %1.ps.cmdline
Potential infostealer process %2.ps.exe delivered via ClickFix infection chain
severity: high

min-engine-version: 3.0.0
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