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Add rules for Tanglebot#76

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haeter525 merged 1 commit into
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pulorsok:add-tanglebot-rules
May 18, 2026
Merged

Add rules for Tanglebot#76
haeter525 merged 1 commit into
ev-flow:masterfrom
pulorsok:add-tanglebot-rules

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close #75

@pulorsok pulorsok force-pushed the add-tanglebot-rules branch 2 times, most recently from 12a865f to e91476c Compare May 14, 2026 10:11
* Adds rule #00275 "Hide the current app's icon", generated from
  analysis of TangleBot samples.  Captures a second dataflow path
  for the same icon-hide behavior already covered by ev-flow#79:
  whereas ev-flow#79 pairs PackageManager retrieval with the disable
  call, #00275 pairs the current app's own package name retrieval
  (Context.getPackageName) with the disable call — proving that
  the ComponentName being disabled was constructed from this app's
  own package and not someone else's.  Observed in
  Lla/lasecurity/trbanking/MainActivity (the malware's own
  MainActivity) across multiple TangleBot samples.
* Refines the existing rule pool by re-tuning scores from
  score_adjustment with the TangleBot sample set added.  274 rules
  retuned; 1 new rule added.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
@pulorsok pulorsok force-pushed the add-tanglebot-rules branch from e91476c to 7d01276 Compare May 14, 2026 10:17

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LGTM.

@haeter525 haeter525 merged commit 1c06517 into ev-flow:master May 18, 2026
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haeter525 pushed a commit that referenced this pull request Jul 8, 2026
Retrain the existing 277-rule pool against the corpus after adding 15
AhRat samples for the analysis report in quark-engine PR #934.  No new
rule is added — AhRat's distinctive bytecode patterns (SMS and
call-log reads via ContentResolver, last-known-location lookups) are
already covered by the existing pool.

This matches the sync convention of the earlier malware-detection PRs
(#82 NGate, #80 Cerberus, #76 TangleBot, #74 Godfather).

Companion analysis report PR: ev-flow/quark-engine#934

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Add Rules to detect Tanglebot Family

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