SYMBOLCOMMON_NAMEaka. SYNONYMS
win.gootkit (Back to overview)

GootKit

aka: Waldek, Xswkit, talalpek
URLhaus      

Gootkit is a banking trojan, where large parts are written in javascript (node.JS). It jumps to C/C++-library functions for various tasks.

References
2022-05-09The DFIR ReportThe DFIR Report
@online{report:20220509:seo:cc8b1c2, author = {The DFIR Report}, title = {{SEO Poisoning – A Gootloader Story}}, date = {2022-05-09}, organization = {The DFIR Report}, url = {https://thedfirreport.com/2022/05/09/seo-poisoning-a-gootloader-story/}, language = {English}, urldate = {2022-06-09} } SEO Poisoning – A Gootloader Story
GootLoader LaZagne Cobalt Strike GootKit
2022-03-22Red CanaryRed Canary
@techreport{canary:20220322:2022:67c40ea, author = {Red Canary}, title = {{2022 Threat Detection Report}}, date = {2022-03-22}, institution = {Red Canary}, url = {https://resource.redcanary.com/rs/003-YRU-314/images/2022_ThreatDetectionReport_RedCanary.pdf}, language = {English}, urldate = {2022-03-23} } 2022 Threat Detection Report
FAKEUPDATES Silver Sparrow BazarBackdoor Cobalt Strike GootKit Yellow Cockatoo RAT
2021-11-26Twitter (@jhencinski)Jon Hencinski
@online{hencinski:20211126:twitter:ca58fb5, author = {Jon Hencinski}, title = {{Twitter Thread on weelky MDR recap from expel.io}}, date = {2021-11-26}, organization = {Twitter (@jhencinski)}, url = {https://twitter.com/jhencinski/status/1464268732096815105}, language = {English}, urldate = {2021-11-29} } Twitter Thread on weelky MDR recap from expel.io
GootKit Squirrelwaffle
2021-11-10BlackberryCodi Starks, Ryan Chapman
@online{starks:20211110:revil:94c11c2, author = {Codi Starks and Ryan Chapman}, title = {{REvil Under the Microscope}}, date = {2021-11-10}, organization = {Blackberry}, url = {https://blogs.blackberry.com/en/2021/11/revil-under-the-microscope}, language = {English}, urldate = {2021-11-17} } REvil Under the Microscope
GootKit REvil
2021-09-03Trend MicroMohamad Mokbel
@techreport{mokbel:20210903:state:df86499, author = {Mohamad Mokbel}, title = {{The State of SSL/TLS Certificate Usage in Malware C&C Communications}}, date = {2021-09-03}, institution = {Trend Micro}, url = {https://www.trendmicro.com/content/dam/trendmicro/global/en/research/21/i/ssl-tls-technical-brief/ssl-tls-technical-brief.pdf}, language = {English}, urldate = {2021-09-19} } The State of SSL/TLS Certificate Usage in Malware C&C Communications
AdWind ostap AsyncRAT BazarBackdoor BitRAT Buer Chthonic CloudEyE Cobalt Strike DCRat Dridex FindPOS GootKit Gozi IcedID ISFB Nanocore RAT Orcus RAT PandaBanker Qadars QakBot Quasar RAT Rockloader ServHelper Shifu SManager TorrentLocker TrickBot Vawtrak Zeus Zloader
2021-06-07KasperskyAnton Kuzmenko
@online{kuzmenko:20210607:gootkit:dde97ac, author = {Anton Kuzmenko}, title = {{Gootkit: the cautious Trojan}}, date = {2021-06-07}, organization = {Kaspersky}, url = {https://securelist.com/gootkit-the-cautious-trojan/102731/}, language = {English}, urldate = {2021-06-16} } Gootkit: the cautious Trojan
GootKit
2021-03-02Twitter (@MsftSecIntel)Microsoft Security Intelligence
@online{intelligence:20210302:gootkit:30182a1, author = {Microsoft Security Intelligence}, title = {{Tweet on Gootkit malware campaign}}, date = {2021-03-02}, organization = {Twitter (@MsftSecIntel)}, url = {https://twitter.com/MsftSecIntel/status/1366542130731094021}, language = {English}, urldate = {2021-03-04} } Tweet on Gootkit malware campaign
GootKit
2021-03-02Github (microsoft)Microsoft
@online{microsoft:20210302:microsoft365defenderhuntingqueries:dcc8507, author = {Microsoft}, title = {{Microsoft-365-Defender-Hunting-Queries for hunting Gootkit malware delivery and C2}}, date = {2021-03-02}, organization = {Github (microsoft)}, url = {https://github.com/microsoft/Microsoft-365-Defender-Hunting-Queries/blob/master/Delivery/Gootkit-malware.md}, language = {English}, urldate = {2021-03-04} } Microsoft-365-Defender-Hunting-Queries for hunting Gootkit malware delivery and C2
GootKit
2021-03-01Sophos LabsGabor Szappanos, Andrew Brandt
@online{szappanos:20210301:gootloader:815834d, author = {Gabor Szappanos and Andrew Brandt}, title = {{“Gootloader” expands its payload delivery options}}, date = {2021-03-01}, organization = {Sophos Labs}, url = {https://news.sophos.com/en-us/2021/03/01/gootloader-expands-its-payload-delivery-options/?cmp=30728}, language = {English}, urldate = {2021-03-02} } “Gootloader” expands its payload delivery options
GootKit
2021-02-02CRONUPGermán Fernández
@online{fernndez:20210202:de:6ff4f3a, author = {Germán Fernández}, title = {{De ataque con Malware a incidente de Ransomware}}, date = {2021-02-02}, organization = {CRONUP}, url = {https://www.cronup.com/post/de-ataque-con-malware-a-incidente-de-ransomware}, language = {Spanish}, urldate = {2021-03-02} } De ataque con Malware a incidente de Ransomware
Avaddon BazarBackdoor Buer Clop Cobalt Strike Conti DanaBot Dharma Dridex Egregor Emotet Empire Downloader FriedEx GootKit IcedID MegaCortex Nemty Phorpiex PwndLocker PyXie QakBot RansomEXX REvil Ryuk SDBbot SmokeLoader TrickBot Zloader
2021-01-19Palo Alto Networks Unit 42Brad Duncan
@online{duncan:20210119:wireshark:be0c831, author = {Brad Duncan}, title = {{Wireshark Tutorial: Examining Emotet Infection Traffic}}, date = {2021-01-19}, organization = {Palo Alto Networks Unit 42}, url = {https://unit42.paloaltonetworks.com/wireshark-tutorial-emotet-infection/}, language = {English}, urldate = {2021-01-21} } Wireshark Tutorial: Examining Emotet Infection Traffic
Emotet GootKit IcedID QakBot TrickBot
2020-12-11Trend MicroMarc Lanzendorfer
@online{lanzendorfer:20201211:investigating:273e6fb, author = {Marc Lanzendorfer}, title = {{Investigating the Gootkit Loader}}, date = {2020-12-11}, organization = {Trend Micro}, url = {https://www.trendmicro.com/en_us/research/20/l/investigating-the-gootkit-loader.html}, language = {English}, urldate = {2020-12-14} } Investigating the Gootkit Loader
GootKit
2020-11-30Malwarebyteshasherezade, Jérôme Segura
@online{hasherezade:20201130:german:72b40c6, author = {hasherezade and Jérôme Segura}, title = {{German users targeted with Gootkit banker or REvil ransomware}}, date = {2020-11-30}, organization = {Malwarebytes}, url = {https://blog.malwarebytes.com/threat-analysis/2020/11/german-users-targeted-with-gootkit-banker-or-revil-ransomware/}, language = {English}, urldate = {2020-12-03} } German users targeted with Gootkit banker or REvil ransomware
GootKit REvil
2020-04-13BlackberryTatsuya Hasegawa, Masaki Kasuya
@online{hasegawa:20200413:threat:57b739e, author = {Tatsuya Hasegawa and Masaki Kasuya}, title = {{Threat Spotlight: Gootkit Banking Trojan}}, date = {2020-04-13}, organization = {Blackberry}, url = {https://blogs.blackberry.com/en/2020/04/threat-spotlight-gootkit-banking-trojan}, language = {English}, urldate = {2020-11-23} } Threat Spotlight: Gootkit Banking Trojan
Azorult GootKit
2019-10-02Dissecting MalwareMarius Genheimer
@online{genheimer:20191002:nicht:20adbf8, author = {Marius Genheimer}, title = {{Nicht so goot - Breaking down Gootkit and Jasper (+ FTCODE)}}, date = {2019-10-02}, organization = {Dissecting Malware}, url = {https://dissectingmalwa.re/nicht-so-goot-breaking-down-gootkit-and-jasper-ftcode.html}, language = {English}, urldate = {2020-03-27} } Nicht so goot - Breaking down Gootkit and Jasper (+ FTCODE)
FTCODE JasperLoader GootKit
2019-08-29SentinelOneDaniel Bunce
@online{bunce:20190829:gootkit:b379f2c, author = {Daniel Bunce}, title = {{Gootkit Banking Trojan | Part 2: Persistence & Other Capabilities}}, date = {2019-08-29}, organization = {SentinelOne}, url = {https://www.sentinelone.com/blog/gootkit-banking-trojan-persistence-other-capabilities/}, language = {English}, urldate = {2020-01-08} } Gootkit Banking Trojan | Part 2: Persistence & Other Capabilities
GootKit
2019-08-15SentinelOneDaniel Bunce
@online{bunce:20190815:gootkit:1052b18, author = {Daniel Bunce}, title = {{Gootkit Banking Trojan | Deep Dive into Anti-Analysis Features}}, date = {2019-08-15}, organization = {SentinelOne}, url = {https://www.sentinelone.com/blog/gootkit-banking-trojan-deep-dive-anti-analysis-features/}, language = {English}, urldate = {2019-12-20} } Gootkit Banking Trojan | Deep Dive into Anti-Analysis Features
GootKit
2019-08-15Sentinel LABSDaniel Bunce
@online{bunce:20190815:gootkit:480c7e8, author = {Daniel Bunce}, title = {{Gootkit Banking Trojan | Deep Dive into Anti-Analysis Features}}, date = {2019-08-15}, organization = {Sentinel LABS}, url = {https://labs.sentinelone.com/gootkit-banking-trojan-deep-dive-anti-analysis-features/}, language = {English}, urldate = {2020-06-18} } Gootkit Banking Trojan | Deep Dive into Anti-Analysis Features
GootKit
2019-03-23Open MalwareDanny Quist
@online{quist:20190323:reverse:8c71656, author = {Danny Quist}, title = {{Reverse Engineering Gootkit with Ghidra Part I}}, date = {2019-03-23}, organization = {Open Malware}, url = {https://dannyquist.github.io/gootkit-reversing-ghidra/}, language = {English}, urldate = {2020-11-23} } Reverse Engineering Gootkit with Ghidra Part I
GootKit
2019-02-14CertegoMatteo Lodi
@online{lodi:20190214:malware:93db4e1, author = {Matteo Lodi}, title = {{Malware Tales: Gootkit}}, date = {2019-02-14}, organization = {Certego}, url = {https://www.certego.net/en/news/malware-tales-gootkit/}, language = {English}, urldate = {2020-01-06} } Malware Tales: Gootkit
GootKit
2018-11CERT La PosteChristophe Rieunier, Thomas Dubier
@online{rieunier:201811:analyse:7b29c7d, author = {Christophe Rieunier and Thomas Dubier}, title = {{Analyse du malware bancaire Gootkit et de ses mécanismes de protection}}, date = {2018-11}, organization = {CERT La Poste}, url = {https://connect.ed-diamond.com/MISC/MISC-100/Analyse-du-malware-bancaire-Gootkit-et-de-ses-mecanismes-de-protection}, language = {French}, urldate = {2020-09-24} } Analyse du malware bancaire Gootkit et de ses mécanismes de protection
GootKit
2018-05-20Youtube (OALabs)Sergei Frankoff
@online{frankoff:20180520:unpacking:7db8c96, author = {Sergei Frankoff}, title = {{Unpacking Gootkit Part 2 - Debugging Anti-Analysis Tricks With IDA Pro and x64dbg}}, date = {2018-05-20}, organization = {Youtube (OALabs)}, url = {https://www.youtube.com/watch?v=QgUlPvEE4aw}, language = {English}, urldate = {2020-01-08} } Unpacking Gootkit Part 2 - Debugging Anti-Analysis Tricks With IDA Pro and x64dbg
GootKit
2018-03-04Youtube (OALabs)Sergei Frankoff
@online{frankoff:20180304:unpacking:4d7dc7c, author = {Sergei Frankoff}, title = {{Unpacking Gootkit Malware With IDA Pro and X64dbg - Subscriber Request}}, date = {2018-03-04}, organization = {Youtube (OALabs)}, url = {https://www.youtube.com/watch?v=242Tn0IL2jE}, language = {English}, urldate = {2020-01-08} } Unpacking Gootkit Malware With IDA Pro and X64dbg - Subscriber Request
Cold$eal GootKit
2018-02-13JuniperPaul Kimayong
@online{kimayong:20180213:new:b8d70e2, author = {Paul Kimayong}, title = {{New Gootkit Banking Trojan variant pushes the limits on evasive behavior}}, date = {2018-02-13}, organization = {Juniper}, url = {https://forums.juniper.net/t5/Security-Now/New-Gootkit-Banking-Trojan-variant-pushes-the-limits-on-evasive/ba-p/319055}, language = {English}, urldate = {2019-12-10} } New Gootkit Banking Trojan variant pushes the limits on evasive behavior
GootKit
2017-03-01SecurityIntelligenceGadi Ostrovsky, Limor Kessem
@online{ostrovsky:20170301:gootkit:ab4991e, author = {Gadi Ostrovsky and Limor Kessem}, title = {{GootKit Developers Dress It Up With Web Traffic Proxy}}, date = {2017-03-01}, organization = {SecurityIntelligence}, url = {https://securityintelligence.com/gootkit-developers-dress-it-up-with-web-traffic-proxy/}, language = {English}, urldate = {2020-01-07} } GootKit Developers Dress It Up With Web Traffic Proxy
GootKit
2016-12-01US-CERTUS-CERT
@online{uscert:20161201:alert:b0f05c8, author = {US-CERT}, title = {{Alert (TA16-336A): Avalanche (crimeware-as-a-service infrastructure)}}, date = {2016-12-01}, organization = {US-CERT}, url = {https://www.us-cert.gov/ncas/alerts/TA16-336A}, language = {English}, urldate = {2020-01-07} } Alert (TA16-336A): Avalanche (crimeware-as-a-service infrastructure)
GootKit
2016-10-27Kaspersky LabsAlexey Shulmin, Sergey Yunakovsky
@online{shulmin:20161027:inside:50f43ed, author = {Alexey Shulmin and Sergey Yunakovsky}, title = {{Inside the Gootkit C&C server}}, date = {2016-10-27}, organization = {Kaspersky Labs}, url = {https://securelist.com/blog/research/76433/inside-the-gootkit-cc-server/}, language = {English}, urldate = {2019-12-20} } Inside the Gootkit C&C server
GootKit
2016-07-08SecurityIntelligenceLimor Kessem
@online{kessem:20160708:gootkit:ed75518, author = {Limor Kessem}, title = {{GootKit: Bobbing and Weaving to Avoid Prying Eyes}}, date = {2016-07-08}, organization = {SecurityIntelligence}, url = {https://securityintelligence.com/gootkit-bobbing-and-weaving-to-avoid-prying-eyes/}, language = {English}, urldate = {2020-01-07} } GootKit: Bobbing and Weaving to Avoid Prying Eyes
GootKit
2015-04-13CERT Societe GeneraleCERT Societe Generale
@online{generale:20150413:analyzing:2a4956d, author = {CERT Societe Generale}, title = {{Analyzing Gootkit's persistence mechanism (new ASEP inside!)}}, date = {2015-04-13}, organization = {CERT Societe Generale}, url = {http://blog.cert.societegenerale.com/2015/04/analyzing-gootkits-persistence-mechanism.html}, language = {English}, urldate = {2020-01-13} } Analyzing Gootkit's persistence mechanism (new ASEP inside!)
GootKit
2015-03-30Trend MicroCedric Pernet, Dark Luo
@online{pernet:20150330:fake:3b24447, author = {Cedric Pernet and Dark Luo}, title = {{Fake Judicial Spam Leads to Backdoor with Fake Certificate Authority}}, date = {2015-03-30}, organization = {Trend Micro}, url = {http://blog.trendmicro.com/trendlabs-security-intelligence/fake-judicial-spam-leads-to-backdoor-with-fake-certificate-authority/}, language = {English}, urldate = {2020-01-10} } Fake Judicial Spam Leads to Backdoor with Fake Certificate Authority
GootKit
2014-04-09Dr.WebDr.Web
@online{drweb:20140409:backdoorgootkit112a:b63758d, author = {Dr.Web}, title = {{BackDoor.Gootkit.112—a new multi-purpose backdoor}}, date = {2014-04-09}, organization = {Dr.Web}, url = {https://news.drweb.com/show/?i=4338&lng=en}, language = {English}, urldate = {2019-07-11} } BackDoor.Gootkit.112—a new multi-purpose backdoor
GootKit
Yara Rules
[TLP:WHITE] win_gootkit_auto (20220516 | Detects win.gootkit.)
rule win_gootkit_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2022-05-16"
        version = "1"
        description = "Detects win.gootkit."
        info = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator v0.6.0"
        signator_config = "callsandjumps;datarefs;binvalue"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.gootkit"
        malpedia_rule_date = "20220513"
        malpedia_hash = "7f4b2229e6ae614d86d74917f6d5b41890e62a26"
        malpedia_version = "20220516"
        malpedia_license = "CC BY-SA 4.0"
        malpedia_sharing = "TLP:WHITE"

    /* DISCLAIMER
     * The strings used in this rule have been automatically selected from the
     * disassembly of memory dumps and unpacked files, using YARA-Signator.
     * The code and documentation is published here:
     * https://github.com/fxb-cocacoding/yara-signator
     * As Malpedia is used as data source, please note that for a given
     * number of families, only single samples are documented.
     * This likely impacts the degree of generalization these rules will offer.
     * Take the described generation method also into consideration when you
     * apply the rules in your use cases and assign them confidence levels.
     */


    strings:
        $sequence_0 = { 8b4dec 8d3c81 8bc7 5e eb02 }
            // n = 5, score = 1700
            //   8b4dec               | mov                 ecx, dword ptr [ebp - 0x14]
            //   8d3c81               | lea                 edi, [ecx + eax*4]
            //   8bc7                 | mov                 eax, edi
            //   5e                   | pop                 esi
            //   eb02                 | jmp                 4

        $sequence_1 = { 8d45f8 c745f804000000 50 33c9 }
            // n = 4, score = 1700
            //   8d45f8               | lea                 eax, [ebp - 8]
            //   c745f804000000       | mov                 dword ptr [ebp - 8], 4
            //   50                   | push                eax
            //   33c9                 | xor                 ecx, ecx

        $sequence_2 = { 6a00 8bce e8???????? 8b7dfc 59 59 }
            // n = 6, score = 1700
            //   6a00                 | push                0
            //   8bce                 | mov                 ecx, esi
            //   e8????????           |                     
            //   8b7dfc               | mov                 edi, dword ptr [ebp - 4]
            //   59                   | pop                 ecx
            //   59                   | pop                 ecx

        $sequence_3 = { 8d45fc 50 56 ff15???????? f7d8 }
            // n = 5, score = 1700
            //   8d45fc               | lea                 eax, [ebp - 4]
            //   50                   | push                eax
            //   56                   | push                esi
            //   ff15????????         |                     
            //   f7d8                 | neg                 eax

        $sequence_4 = { 51 51 53 8b593c }
            // n = 4, score = 1700
            //   51                   | push                ecx
            //   51                   | push                ecx
            //   53                   | push                ebx
            //   8b593c               | mov                 ebx, dword ptr [ecx + 0x3c]

        $sequence_5 = { 8b593c 03d9 8955fc 56 }
            // n = 4, score = 1700
            //   8b593c               | mov                 ebx, dword ptr [ecx + 0x3c]
            //   03d9                 | add                 ebx, ecx
            //   8955fc               | mov                 dword ptr [ebp - 4], edx
            //   56                   | push                esi

        $sequence_6 = { 8b483c 8d51ff 035710 8d41ff f7d0 23d0 }
            // n = 6, score = 1700
            //   8b483c               | mov                 ecx, dword ptr [eax + 0x3c]
            //   8d51ff               | lea                 edx, [ecx - 1]
            //   035710               | add                 edx, dword ptr [edi + 0x10]
            //   8d41ff               | lea                 eax, [ecx - 1]
            //   f7d0                 | not                 eax
            //   23d0                 | and                 edx, eax

        $sequence_7 = { 0f84af000000 2bc6 8bce 8bd0 e8???????? 8945f8 85c0 }
            // n = 7, score = 1700
            //   0f84af000000         | je                  0xb5
            //   2bc6                 | sub                 eax, esi
            //   8bce                 | mov                 ecx, esi
            //   8bd0                 | mov                 edx, eax
            //   e8????????           |                     
            //   8945f8               | mov                 dword ptr [ebp - 8], eax
            //   85c0                 | test                eax, eax

        $sequence_8 = { 52 50 8b4510 99 52 50 8b450c }
            // n = 7, score = 1400
            //   52                   | push                edx
            //   50                   | push                eax
            //   8b4510               | mov                 eax, dword ptr [ebp + 0x10]
            //   99                   | cdq                 
            //   52                   | push                edx
            //   50                   | push                eax
            //   8b450c               | mov                 eax, dword ptr [ebp + 0xc]

        $sequence_9 = { f3aa 68???????? ff15???????? 50 }
            // n = 4, score = 1200
            //   f3aa                 | rep stosb           byte ptr es:[edi], al
            //   68????????           |                     
            //   ff15????????         |                     
            //   50                   | push                eax

        $sequence_10 = { 8b7df4 32c0 8b4de4 f3aa }
            // n = 4, score = 1200
            //   8b7df4               | mov                 edi, dword ptr [ebp - 0xc]
            //   32c0                 | xor                 al, al
            //   8b4de4               | mov                 ecx, dword ptr [ebp - 0x1c]
            //   f3aa                 | rep stosb           byte ptr es:[edi], al

        $sequence_11 = { 50 68???????? ff15???????? 85c0 7505 e8???????? }
            // n = 6, score = 1100
            //   50                   | push                eax
            //   68????????           |                     
            //   ff15????????         |                     
            //   85c0                 | test                eax, eax
            //   7505                 | jne                 7
            //   e8????????           |                     

        $sequence_12 = { 50 e8???????? 83c40c 68fd000000 }
            // n = 4, score = 1100
            //   50                   | push                eax
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc
            //   68fd000000           | push                0xfd

        $sequence_13 = { 8b4508 8b00 99 52 }
            // n = 4, score = 1000
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]
            //   8b00                 | mov                 eax, dword ptr [eax]
            //   99                   | cdq                 
            //   52                   | push                edx

        $sequence_14 = { 7514 c705????????01000000 c705????????02000000 8be5 5d c3 }
            // n = 6, score = 900
            //   7514                 | jne                 0x16
            //   c705????????01000000     |     
            //   c705????????02000000     |     
            //   8be5                 | mov                 esp, ebp
            //   5d                   | pop                 ebp
            //   c3                   | ret                 

        $sequence_15 = { e8???????? 6a0c 6a08 ff15???????? }
            // n = 4, score = 800
            //   e8????????           |                     
            //   6a0c                 | push                0xc
            //   6a08                 | push                8
            //   ff15????????         |                     

        $sequence_16 = { 833d????????00 750a 6a32 ff15???????? }
            // n = 4, score = 800
            //   833d????????00       |                     
            //   750a                 | jne                 0xc
            //   6a32                 | push                0x32
            //   ff15????????         |                     

        $sequence_17 = { 6808020000 6a00 ff15???????? 50 ff15???????? }
            // n = 5, score = 800
            //   6808020000           | push                0x208
            //   6a00                 | push                0
            //   ff15????????         |                     
            //   50                   | push                eax
            //   ff15????????         |                     

        $sequence_18 = { 8d45fc 50 6a01 6a01 6a00 6800000002 }
            // n = 6, score = 600
            //   8d45fc               | lea                 eax, [ebp - 4]
            //   50                   | push                eax
            //   6a01                 | push                1
            //   6a01                 | push                1
            //   6a00                 | push                0
            //   6800000002           | push                0x2000000

        $sequence_19 = { e8???????? 85c0 750c c705????????03000000 }
            // n = 4, score = 500
            //   e8????????           |                     
            //   85c0                 | test                eax, eax
            //   750c                 | jne                 0xe
            //   c705????????03000000     |     

        $sequence_20 = { 53 53 53 8901 }
            // n = 4, score = 300
            //   53                   | push                ebx
            //   53                   | push                ebx
            //   53                   | push                ebx
            //   8901                 | mov                 dword ptr [ecx], eax

        $sequence_21 = { 68???????? 51 51 ff15???????? 50 }
            // n = 5, score = 300
            //   68????????           |                     
            //   51                   | push                ecx
            //   51                   | push                ecx
            //   ff15????????         |                     
            //   50                   | push                eax

        $sequence_22 = { 7550 ff15???????? 8bf8 893d???????? }
            // n = 4, score = 200
            //   7550                 | jne                 0x52
            //   ff15????????         |                     
            //   8bf8                 | mov                 edi, eax
            //   893d????????         |                     

        $sequence_23 = { 83ec0c ba???????? b9???????? e8???????? 3935???????? }
            // n = 5, score = 200
            //   83ec0c               | sub                 esp, 0xc
            //   ba????????           |                     
            //   b9????????           |                     
            //   e8????????           |                     
            //   3935????????         |                     

        $sequence_24 = { 85c0 7510 8d4864 ff15???????? }
            // n = 4, score = 200
            //   85c0                 | test                eax, eax
            //   7510                 | jne                 0x12
            //   8d4864               | lea                 ecx, [eax + 0x64]
            //   ff15????????         |                     

        $sequence_25 = { 50 ff15???????? ba???????? 8935???????? 8935???????? }
            // n = 5, score = 200
            //   50                   | push                eax
            //   ff15????????         |                     
            //   ba????????           |                     
            //   8935????????         |                     
            //   8935????????         |                     

        $sequence_26 = { 8d45f4 50 8d55f8 8d4dfc }
            // n = 4, score = 200
            //   8d45f4               | lea                 eax, [ebp - 0xc]
            //   50                   | push                eax
            //   8d55f8               | lea                 edx, [ebp - 8]
            //   8d4dfc               | lea                 ecx, [ebp - 4]

        $sequence_27 = { 03d1 813a50450000 7541 8b82d8000000 03c1 3bd8 }
            // n = 6, score = 200
            //   03d1                 | add                 edx, ecx
            //   813a50450000         | cmp                 dword ptr [edx], 0x4550
            //   7541                 | jne                 0x43
            //   8b82d8000000         | mov                 eax, dword ptr [edx + 0xd8]
            //   03c1                 | add                 eax, ecx
            //   3bd8                 | cmp                 ebx, eax

        $sequence_28 = { 8b4c2434 ff15???????? 0fb74c2432 ff15???????? }
            // n = 4, score = 200
            //   8b4c2434             | mov                 ecx, dword ptr [esp + 0x34]
            //   ff15????????         |                     
            //   0fb74c2432           | movzx               ecx, word ptr [esp + 0x32]
            //   ff15????????         |                     

        $sequence_29 = { a3???????? 391d???????? 7428 85c0 7424 }
            // n = 5, score = 200
            //   a3????????           |                     
            //   391d????????         |                     
            //   7428                 | je                  0x2a
            //   85c0                 | test                eax, eax
            //   7424                 | je                  0x26

        $sequence_30 = { ff15???????? ffc3 83fb0a 7cd5 33c0 }
            // n = 5, score = 200
            //   ff15????????         |                     
            //   ffc3                 | inc                 ebx
            //   83fb0a               | cmp                 ebx, 0xa
            //   7cd5                 | jl                  0xffffffd7
            //   33c0                 | xor                 eax, eax

        $sequence_31 = { 0f110f 0f104820 0f114710 0f104030 0f114f20 0f104840 0f114730 }
            // n = 7, score = 200
            //   0f110f               | movups              xmmword ptr [edi], xmm1
            //   0f104820             | movups              xmm1, xmmword ptr [eax + 0x20]
            //   0f114710             | movups              xmmword ptr [edi + 0x10], xmm0
            //   0f104030             | movups              xmm0, xmmword ptr [eax + 0x30]
            //   0f114f20             | movups              xmmword ptr [edi + 0x20], xmm1
            //   0f104840             | movups              xmm1, xmmword ptr [eax + 0x40]
            //   0f114730             | movups              xmmword ptr [edi + 0x30], xmm0

        $sequence_32 = { 0f114f50 0f104060 0f114760 8b4070 894770 be01000000 }
            // n = 6, score = 200
            //   0f114f50             | movups              xmmword ptr [edi + 0x50], xmm1
            //   0f104060             | movups              xmm0, xmmword ptr [eax + 0x60]
            //   0f114760             | movups              xmmword ptr [edi + 0x60], xmm0
            //   8b4070               | mov                 eax, dword ptr [eax + 0x70]
            //   894770               | mov                 dword ptr [edi + 0x70], eax
            //   be01000000           | mov                 esi, 1

        $sequence_33 = { 47 83ff02 7c89 5f }
            // n = 4, score = 200
            //   47                   | inc                 edi
            //   83ff02               | cmp                 edi, 2
            //   7c89                 | jl                  0xffffff8b
            //   5f                   | pop                 edi

        $sequence_34 = { 0f114730 0f104050 0f114f40 0f104860 0f114750 0f114f60 b801000000 }
            // n = 7, score = 200
            //   0f114730             | movups              xmmword ptr [edi + 0x30], xmm0
            //   0f104050             | movups              xmm0, xmmword ptr [eax + 0x50]
            //   0f114f40             | movups              xmmword ptr [edi + 0x40], xmm1
            //   0f104860             | movups              xmm1, xmmword ptr [eax + 0x60]
            //   0f114750             | movups              xmmword ptr [edi + 0x50], xmm0
            //   0f114f60             | movups              xmmword ptr [edi + 0x60], xmm1
            //   b801000000           | mov                 eax, 1

        $sequence_35 = { 750c 807b01ff 7506 807b0225 }
            // n = 4, score = 200
            //   750c                 | jne                 0xe
            //   807b01ff             | cmp                 byte ptr [ebx + 1], 0xff
            //   7506                 | jne                 8
            //   807b0225             | cmp                 byte ptr [ebx + 2], 0x25

    condition:
        7 of them and filesize < 516096
}
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