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fix the scope of some rules with dependencies #908

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merged 2 commits into from
Jun 14, 2024
Merged

fix the scope of some rules with dependencies #908

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e6befc9
fix the scope of some rules with dependencies
williballenthin Jun 6, 2024
0c7d1bd
remove optional block with LoadLibrary APIs and indirect call
mr-tz Jun 14, 2024
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2 changes: 1 addition & 1 deletion collection/keylog/log-keystrokes-via-application-hook.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@ rule:
authors:
- michael.hunhoff@mandiant.com
scopes:
static: function
static: basic block
dynamic: call
att&ck:
- Collection::Input Capture::Keylogging [T1056.001]
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11 changes: 5 additions & 6 deletions host-interaction/gui/set-application-hook.yml
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Expand Up @@ -5,12 +5,11 @@ rule:
authors:
- michael.hunhoff@mandiant.com
scopes:
static: function
dynamic: thread
static: instruction
dynamic: call
examples:
- Practical Malware Analysis Lab 12-03.exe_:0x401000
features:
- and:
- or:
- api: user32.SetWindowsHookEx
- api: user32.UnhookWindowsHookEx
- or:
- api: user32.SetWindowsHookEx
- api: user32.UnhookWindowsHookEx
4 changes: 2 additions & 2 deletions linking/runtime-linking/link-function-at-runtime-on-windows.yml
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Expand Up @@ -6,8 +6,8 @@ rule:
- moritz.raabe@mandiant.com
- michael.hunhoff@mandiant.com
scopes:
static: function
dynamic: unsupported # requires characteristic features
static: instruction
dynamic: call
Comment on lines +9 to +10
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with the optional part we're targeting multiple API calls which won't work this way

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ah, right...

I'm inclined to remove the optional and let this be used as a dependency more widely. Thoughts?

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or relax scope to basic block

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I'd say it's fine to remove the optional block, how about we create a new rule with the LoadLibrary APIs (not sure if that's just noisy or helpful).

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removed in 0c7d1bd

att&ck:
- Execution::Shared Modules [T1129]
examples:
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