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
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 (20211008 | Detects win.gootkit.)
rule win_gootkit_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2021-10-07"
        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 = "20211007"
        malpedia_hash = "e5b790e0f888f252d49063a1251ca60ec2832535"
        malpedia_version = "20211008"
        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 = { 895df0 85db 7474 8b7ddc }
            // n = 4, score = 1700
            //   895df0               | mov                 dword ptr [ebp - 0x10], ebx
            //   85db                 | test                ebx, ebx
            //   7474                 | je                  0x76
            //   8b7ddc               | mov                 edi, dword ptr [ebp - 0x24]

        $sequence_1 = { 50 6a00 8bce e8???????? 8b7dfc 59 }
            // n = 6, score = 1700
            //   50                   | push                eax
            //   6a00                 | push                0
            //   8bce                 | mov                 ecx, esi
            //   e8????????           |                     
            //   8b7dfc               | mov                 edi, dword ptr [ebp - 4]
            //   59                   | pop                 ecx

        $sequence_2 = { 85d2 740e 0fbe0431 c1cf0d }
            // n = 4, score = 1700
            //   85d2                 | test                edx, edx
            //   740e                 | je                  0x10
            //   0fbe0431             | movsx               eax, byte ptr [ecx + esi]
            //   c1cf0d               | ror                 edi, 0xd

        $sequence_3 = { 0fb75b06 03f8 33f6 3b570c }
            // n = 4, score = 1700
            //   0fb75b06             | movzx               ebx, word ptr [ebx + 6]
            //   03f8                 | add                 edi, eax
            //   33f6                 | xor                 esi, esi
            //   3b570c               | cmp                 edx, dword ptr [edi + 0xc]

        $sequence_4 = { 8bcf e8???????? 6806000200 8bd7 e8???????? }
            // n = 5, score = 1700
            //   8bcf                 | mov                 ecx, edi
            //   e8????????           |                     
            //   6806000200           | push                0x20006
            //   8bd7                 | mov                 edx, edi
            //   e8????????           |                     

        $sequence_5 = { ff75fc ffd7 33c9 c745f804000000 }
            // n = 4, score = 1700
            //   ff75fc               | push                dword ptr [ebp - 4]
            //   ffd7                 | call                edi
            //   33c9                 | xor                 ecx, ecx
            //   c745f804000000       | mov                 dword ptr [ebp - 8], 4

        $sequence_6 = { 8b5dec 115c1004 eb08 25ff0f0000 }
            // n = 4, score = 1700
            //   8b5dec               | mov                 ebx, dword ptr [ebp - 0x14]
            //   115c1004             | adc                 dword ptr [eax + edx + 4], ebx
            //   eb08                 | jmp                 0xa
            //   25ff0f0000           | and                 eax, 0xfff

        $sequence_7 = { 57 6a10 59 bf???????? c745b47272656e f3aa }
            // n = 6, score = 1700
            //   57                   | push                edi
            //   6a10                 | push                0x10
            //   59                   | pop                 ecx
            //   bf????????           |                     
            //   c745b47272656e       | mov                 dword ptr [ebp - 0x4c], 0x6e657272
            //   f3aa                 | rep stosb           byte ptr es:[edi], al

        $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 = { c705????????01000000 c705????????02000000 8be5 5d c3 55 }
            // n = 6, score = 900
            //   c705????????01000000     |     
            //   c705????????02000000     |     
            //   8be5                 | mov                 esp, ebp
            //   5d                   | pop                 ebp
            //   c3                   | ret                 
            //   55                   | push                ebp

        $sequence_15 = { 833d????????00 750a 6a32 ff15???????? }
            // n = 4, score = 800
            //   833d????????00       |                     
            //   750a                 | jne                 0xc
            //   6a32                 | push                0x32
            //   ff15????????         |                     

        $sequence_16 = { 6808020000 6a00 ff15???????? 50 }
            // n = 4, score = 800
            //   6808020000           | push                0x208
            //   6a00                 | push                0
            //   ff15????????         |                     
            //   50                   | push                eax

        $sequence_17 = { e8???????? 6a0c 6a08 ff15???????? 50 ff15???????? }
            // n = 6, score = 800
            //   e8????????           |                     
            //   6a0c                 | push                0xc
            //   6a08                 | push                8
            //   ff15????????         |                     
            //   50                   | push                eax
            //   ff15????????         |                     

        $sequence_18 = { e8???????? 8d45fc 50 6a01 6a01 6a00 }
            // n = 6, score = 600
            //   e8????????           |                     
            //   8d45fc               | lea                 eax, dword ptr [ebp - 4]
            //   50                   | push                eax
            //   6a01                 | push                1
            //   6a01                 | push                1
            //   6a00                 | push                0

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

        $sequence_20 = { 68???????? 51 51 ff15???????? 50 }
            // n = 5, score = 300
            //   68????????           |                     
            //   51                   | push                ecx
            //   51                   | push                ecx
            //   ff15????????         |                     
            //   50                   | push                eax

        $sequence_21 = { 53 53 53 8901 }
            // n = 4, score = 300
            //   53                   | push                ebx
            //   53                   | push                ebx
            //   53                   | push                ebx
            //   8901                 | mov                 dword ptr [ecx], eax

        $sequence_22 = { 50 6a01 6a0b 56 ff15???????? }
            // n = 5, score = 200
            //   50                   | push                eax
            //   6a01                 | push                1
            //   6a0b                 | push                0xb
            //   56                   | push                esi
            //   ff15????????         |                     

        $sequence_23 = { 0f104840 0f114730 0f104050 0f114f40 0f104860 0f114750 0f114f60 }
            // n = 7, score = 200
            //   0f104840             | movups              xmm1, xmmword ptr [eax + 0x40]
            //   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

        $sequence_24 = { 8b36 85f6 75a2 8b3f 85ff }
            // n = 5, score = 200
            //   8b36                 | mov                 esi, dword ptr [esi]
            //   85f6                 | test                esi, esi
            //   75a2                 | jne                 0xffffffa4
            //   8b3f                 | mov                 edi, dword ptr [edi]
            //   85ff                 | test                edi, edi

        $sequence_25 = { 8d4864 ff15???????? ffc3 83fb0a 7cd5 33c0 }
            // n = 6, score = 200
            //   8d4864               | lea                 ecx, dword ptr [eax + 0x64]
            //   ff15????????         |                     
            //   ffc3                 | inc                 ebx
            //   83fb0a               | cmp                 ebx, 0xa
            //   7cd5                 | jl                  0xffffffd7
            //   33c0                 | xor                 eax, eax

        $sequence_26 = { 7550 ff15???????? 8bf8 893d???????? }
            // n = 4, score = 200
            //   7550                 | jne                 0x52
            //   ff15????????         |                     
            //   8bf8                 | mov                 edi, eax
            //   893d????????         |                     

        $sequence_27 = { 0f104010 0f110f 0f104820 0f114710 0f104030 0f114f20 }
            // n = 6, score = 200
            //   0f104010             | movups              xmm0, xmmword ptr [eax + 0x10]
            //   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

        $sequence_28 = { 0f104060 0f114760 8b4070 894770 be01000000 }
            // n = 5, score = 200
            //   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_29 = { a3???????? 391d???????? 7428 85c0 7424 83ec0c ba???????? }
            // n = 7, score = 200
            //   a3????????           |                     
            //   391d????????         |                     
            //   7428                 | je                  0x2a
            //   85c0                 | test                eax, eax
            //   7424                 | je                  0x26
            //   83ec0c               | sub                 esp, 0xc
            //   ba????????           |                     

        $sequence_30 = { ff15???????? 85c0 7510 8d4864 ff15???????? ffc3 }
            // n = 6, score = 200
            //   ff15????????         |                     
            //   85c0                 | test                eax, eax
            //   7510                 | jne                 0x12
            //   8d4864               | lea                 ecx, dword ptr [eax + 0x64]
            //   ff15????????         |                     
            //   ffc3                 | inc                 ebx

        $sequence_31 = { 83faff 7508 ff15???????? 8bd0 }
            // n = 4, score = 200
            //   83faff               | cmp                 edx, -1
            //   7508                 | jne                 0xa
            //   ff15????????         |                     
            //   8bd0                 | mov                 edx, eax

        $sequence_32 = { ff15???????? 8b4de8 b84d5a0000 663901 754e 8b513c }
            // n = 6, score = 200
            //   ff15????????         |                     
            //   8b4de8               | mov                 ecx, dword ptr [ebp - 0x18]
            //   b84d5a0000           | mov                 eax, 0x5a4d
            //   663901               | cmp                 word ptr [ecx], ax
            //   754e                 | jne                 0x50
            //   8b513c               | mov                 edx, dword ptr [ecx + 0x3c]

        $sequence_33 = { ff15???????? 8bd0 83fa01 7e18 }
            // n = 4, score = 200
            //   ff15????????         |                     
            //   8bd0                 | mov                 edx, eax
            //   83fa01               | cmp                 edx, 1
            //   7e18                 | jle                 0x1a

        $sequence_34 = { 6a10 8d45e8 50 68060000c8 56 ff15???????? }
            // n = 6, score = 200
            //   6a10                 | push                0x10
            //   8d45e8               | lea                 eax, dword ptr [ebp - 0x18]
            //   50                   | push                eax
            //   68060000c8           | push                0xc8000006
            //   56                   | push                esi
            //   ff15????????         |                     

    condition:
        7 of them and filesize < 516096
}
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