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jonasLyk's profile
Jonas L
Jonas L
Jonas L
@jonasLyk

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Jonas L

@jonasLyk

viking @the_secret_club

Joined February 2015

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    1. Matt Graeber‏ @mattifestation Jan 18

      Start-ATHProcessHerpaderp was added to AtomicTestHarnesses w/ some extended capabilities from the original PoC. As I reimplemented @jxy__s's awesome capability and PoC, I came to appreciate both the novelty and reliability of the technique so much more. https://github.com/redcanaryco/AtomicTestHarnesses …pic.twitter.com/NveJSGgKjH

      3 replies 31 retweets 101 likes
      Show this thread
    2. Matt Graeber‏ @mattifestation Jan 18

      Matt Graeber Retweeted Olaf Hartong

      Detection strategy for Process Herpaderping: Sysmon event ID 25: "Type: Image is locked for access" See @olafhartong's awesome post for more details.https://twitter.com/olafhartong/status/1348626535507517440 …

      Matt Graeber added,

      Olaf Hartong @olafhartong
      Sysmon 13 has just been released. I’ve just published a detailed look at the new ProcessTampering feature in a blog. https://medium.com/falconforce/sysmon-13-process-tampering-detection-820366138a6c?source=friends_link&sk=0938462b591263e7bb3008e752358f46 … #DFIR #Infosec #Sysmon
      1 reply 2 retweets 13 likes
      Show this thread
    3. Matt Graeber‏ @mattifestation Jan 18

      Matt Graeber Retweeted Matt Graeber

      Prevention strategy for Process Herpaderping: Place WDAC into any form of enforcement, even allow all. Thank you to @PhilipTsukerman and @AmirKutcher for this discovery and insight!https://twitter.com/mattifestation/status/1349706384280064001 …

      Matt Graeber added,

      Matt Graeber @mattifestation
      Try it out with a one-liner (from elevated PS): > ConvertFrom-CIPolicy -XmlFilePath C:\Windows\schemas\CodeIntegrity\ExamplePolicies\AllowAll.xml -BinaryFilePath C:\Windows\System32\CodeIntegrity\SIPolicy.p7b Then reboot. https://twitter.com/PhilipTsukerman/status/1349692231070982149 …
      Show this thread
      1 reply 2 retweets 14 likes
      Show this thread
    4. Jonas L‏ @jonasLyk Jan 18
      Replying to @mattifestation @PhilipTsukerman @AmirKutcher

      what about process lemming demming?

      1 reply 0 retweets 4 likes
      Jonas L‏ @jonasLyk Jan 18
      Replying to @jonasLyk @mattifestation and

      Jonas L Retweeted Jonas L

      as shown athttps://twitter.com/jonasLyk/status/1350401461985955840 …

      Jonas L added,

      Jonas L @jonasLyk
      Have a running exe delete itself while running pic.twitter.com/AAFw0NXR3T
      Show this thread
      6:56 AM - 18 Jan 2021
      1 reply 0 retweets 0 likes
        1. New conversation
        2. Matt Graeber‏ @mattifestation Jan 18
          Replying to @jonasLyk @PhilipTsukerman @AmirKutcher

          I'm not familiar with this technique. Do you have a reference explaining it beyond the screenshot? Either way, give the ConvertFrom-CIPolicy example a shot.

          1 reply 0 retweets 0 likes
        3. Jonas L‏ @jonasLyk Jan 18
          Replying to @mattifestation @PhilipTsukerman @AmirKutcher

          there is not that much to it- when you delete the file you can put another file in its place, creating mismatch between mapped mem and file content. Or- open with supersede and oplock and append and overwrite without causing rescan

          1 reply 0 retweets 0 likes
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