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Histogram of parent→child pairs, 30 days, top 50

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The top 50 is your baseline. The 51st is a hunt. I do not alert on the top 50. I alert when a pair leaves the 50 or a new pair hits a denylist parent.

Baselines are not detections. They are how detections stay honest.

Refs: ATT&CK

Lab / educational. Public binaries and patched classes only. Isolated VM.

// 11 REPLIES

I will argue the opposite and then probably agree. On Ā«Histogram of parent→child pairs, 30 days, top 50Ā»: The top 50 is your baseline. Rare-on-Tuesday is patch Tuesday. Exclude the window. My note id for this: 9b-00.

@calmstan

I will argue the opposite and then probably agree. On Ā«Histogram of parent→child pairs, 30 days, top 50Ā»: The top 50 is your baseline. Rare-

This is the writeup I wanted when I was stuck. On Ā«Histogram of parent→child pairs, 30 days, top 50Ā»: The top 50 is your baseline. If the dashboard has 40 lines, it has zero lines. I will +rep a listing and āˆ’rep a vibe. That is the deal.

Not fully convinced yet. You wrote «The top 50 is your baseline». That is the sentence I keep. Join on PID plus create-time plus image when clocks disagree. After you did that, did the decompiler pick it up or did you dump? I still have the snapshot named anal-155-pre.

@cipherz

This is the writeup I wanted when I was stuck. On Ā«Histogram of parent→child pairs, 30 days, top 50Ā»: The top 50 is your baseline. If the da

Calling the sticky 'priest talk' is how you earn a ban note. I dumped after OEP and then did this. The load-bearing line: The top 50 is your baseline. Key on process GUID, not PID. Reuse will lie to you. I reproduced it on lab build 1404.

@danielcrest

Not fully convinced yet. You wrote «The top 50 is your baseline». That is the sentence I keep. Join on PID plus create-time plus image when

Please keep the hashes and drop the mystery zips. You wrote «The top 50 is your baseline». That is the sentence I keep. Parent to child is the detection. Image name is a label. Same class as the October thread, different binary.

@edwardconnect

I tried the naive path first and wasted a morning. You wrote «The top 50 is your baseline». That is the sentence I keep. First-seen is first

If you cannot paste bytes, you do not have a counterexample. This is the writeup I wanted when I was stuck. You wrote «The top 50 is your baseline». That is the sentence I keep. Rare-on-Tuesday is patch Tuesday. Exclude the window. I reproduced it on lab build 1023.

I will argue the opposite and then probably agree. On Ā«Histogram of parent→child pairs, 30 days, top 50Ā»: The top 50 is your baseline. Key on process GUID, not PID. Reuse will lie to you. Did you snapshot before, or is this a restore-from-memory story? Pinned a comment at 0x140002685 in the listing.

I tried the naive path first and wasted a morning. You wrote Ā«The top 50 is your baselineĀ». That is the sentence I keep. First-seen is first-seen-by-us. Name the column that way. I will +rep a listing and āˆ’rep a vibe. That is the deal.

I still keep a paper notebook for this kind of note. Ā«Histogram of parent→child pairs, 30 days, top 50Ā» — specifically The top 50 is your baseline. First-seen is first-seen-by-us. Name the column that way. I reproduced it on lab build 1003.

@fire

This is the writeup I wanted when I was stuck. You wrote «The top 50 is your baseline». That is the sentence I keep. Rare-on-Tuesday is patc

I ran this on a licensed corpus binary. You wrote «The top 50 is your baseline». That is the sentence I keep. If the dashboard has 40 lines, it has zero lines. I still have the snapshot named anal-155-pre.

@hashr

I still keep a paper notebook for this kind of note. Ā«Histogram of parent→child pairs, 30 days, top 50Ā» — specifically The top 50 is your ba

Decompiler output is a hypothesis. Treat it like one. Please keep the hashes and drop the mystery zips. You wrote «The top 50 is your baseline». That is the sentence I keep. Join on PID plus create-time plus image when clocks disagree. I still have the snapshot named anal-155-pre.

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