SYMBOLCOMMON_NAMEaka. SYNONYMS
win.slingshot (Back to overview)

Slingshot


- 2012 first sighted
- Attack vector via compromised Mikrotik routers where victims get infection when they connect to Mikrotik router admin software - Winbox
- 2018 when discovered by Kaspersky Team

Infection Vector
- Infected Mikrotik Router > Malicious DLL (IP4.dll) in Router > User connect via winbox > Malicious DLL downloaded on computer

References
2022-01-11ESET ResearchMichal Poslušný
@online{poslun:20220111:signed:1c59d41, author = {Michal Poslušný}, title = {{Signed kernel drivers – Unguarded gateway to Windows’ core}}, date = {2022-01-11}, organization = {ESET Research}, url = {https://www.welivesecurity.com/2022/01/11/signed-kernel-drivers-unguarded-gateway-windows-core/}, language = {English}, urldate = {2022-01-18} } Signed kernel drivers – Unguarded gateway to Windows’ core
InvisiMole LoJax RobinHood Slingshot
2018-03-20CyberScoopChris Bing, Patrick Howell O'Neill
@online{bing:20180320:kasperskys:9cf65c1, author = {Chris Bing and Patrick Howell O'Neill}, title = {{Kaspersky's 'Slingshot' report burned an ISIS-focused intelligence operation}}, date = {2018-03-20}, organization = {CyberScoop}, url = {https://www.cyberscoop.com/kaspersky-slingshot-isis-operation-socom-five-eyes/}, language = {English}, urldate = {2019-07-11} } Kaspersky's 'Slingshot' report burned an ISIS-focused intelligence operation
Slingshot
2018-03-09Kaspersky LabsAlexey Shulmin, Sergey Yunakovsky, Vasily Berdnikov, Andrey Dolgushev
@techreport{shulmin:20180309:slingshot:3885e37, author = {Alexey Shulmin and Sergey Yunakovsky and Vasily Berdnikov and Andrey Dolgushev}, title = {{The Slingshot APT}}, date = {2018-03-09}, institution = {Kaspersky Labs}, url = {https://s3-eu-west-1.amazonaws.com/khub-media/wp-content/uploads/sites/43/2018/03/09133534/The-Slingshot-APT_report_ENG_final.pdf}, language = {English}, urldate = {2020-01-10} } The Slingshot APT
Slingshot
2018-03-09Kaspersky LabsAlexey Shulmin, Sergey Yunakovsky, Vasily Berdnikov, Andrey Dolgushev
@online{shulmin:20180309:slingshot:7417374, author = {Alexey Shulmin and Sergey Yunakovsky and Vasily Berdnikov and Andrey Dolgushev}, title = {{The Slingshot APT FAQ}}, date = {2018-03-09}, organization = {Kaspersky Labs}, url = {https://securelist.com/apt-slingshot/84312/}, language = {English}, urldate = {2019-12-20} } The Slingshot APT FAQ
Slingshot Slingshot
Yara Rules
[TLP:WHITE] win_slingshot_auto (20221125 | Detects win.slingshot.)
rule win_slingshot_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2022-11-21"
        version = "1"
        description = "Detects win.slingshot."
        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.slingshot"
        malpedia_rule_date = "20221118"
        malpedia_hash = "e0702e2e6d1d00da65c8a29a4ebacd0a4c59e1af"
        malpedia_version = "20221125"
        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 = { 50 33db 53 ff15???????? 8bf0 3bf3 }
            // n = 6, score = 200
            //   50                   | push                eax
            //   33db                 | xor                 ebx, ebx
            //   53                   | push                ebx
            //   ff15????????         |                     
            //   8bf0                 | mov                 esi, eax
            //   3bf3                 | cmp                 esi, ebx

        $sequence_1 = { e9???????? e8???????? 45 85db 753c }
            // n = 5, score = 100
            //   e9????????           |                     
            //   e8????????           |                     
            //   45                   | inc                 ebp
            //   85db                 | test                ebx, ebx
            //   753c                 | jne                 0x3e

        $sequence_2 = { 59 33c0 8d7c2414 f3ab a1???????? 99 }
            // n = 6, score = 100
            //   59                   | pop                 ecx
            //   33c0                 | xor                 eax, eax
            //   8d7c2414             | lea                 edi, [esp + 0x14]
            //   f3ab                 | rep stosd           dword ptr es:[edi], eax
            //   a1????????           |                     
            //   99                   | cdq                 

        $sequence_3 = { ff15???????? 3bc6 760d 686c65e101 6a6f 58 }
            // n = 6, score = 100
            //   ff15????????         |                     
            //   3bc6                 | cmp                 eax, esi
            //   760d                 | jbe                 0xf
            //   686c65e101           | push                0x1e1656c
            //   6a6f                 | push                0x6f
            //   58                   | pop                 eax

        $sequence_4 = { 41 b847696e73 e8???????? 48 8bd8 48 }
            // n = 6, score = 100
            //   41                   | inc                 ecx
            //   b847696e73           | mov                 eax, 0x736e6947
            //   e8????????           |                     
            //   48                   | dec                 eax
            //   8bd8                 | mov                 ebx, eax
            //   48                   | dec                 eax

        $sequence_5 = { 8d75bc ff30 e8???????? 397dc0 }
            // n = 4, score = 100
            //   8d75bc               | lea                 esi, [ebp - 0x44]
            //   ff30                 | push                dword ptr [eax]
            //   e8????????           |                     
            //   397dc0               | cmp                 dword ptr [ebp - 0x40], edi

        $sequence_6 = { 3bcb 7426 ff750c 51 }
            // n = 4, score = 100
            //   3bcb                 | cmp                 ecx, ebx
            //   7426                 | je                  0x28
            //   ff750c               | push                dword ptr [ebp + 0xc]
            //   51                   | push                ecx

        $sequence_7 = { 33ff 85c0 742e 6a04 5e 8d4de8 e8???????? }
            // n = 7, score = 100
            //   33ff                 | xor                 edi, edi
            //   85c0                 | test                eax, eax
            //   742e                 | je                  0x30
            //   6a04                 | push                4
            //   5e                   | pop                 esi
            //   8d4de8               | lea                 ecx, [ebp - 0x18]
            //   e8????????           |                     

        $sequence_8 = { 3bcb 7504 6a08 eb7a }
            // n = 4, score = 100
            //   3bcb                 | cmp                 ecx, ebx
            //   7504                 | jne                 6
            //   6a08                 | push                8
            //   eb7a                 | jmp                 0x7c

        $sequence_9 = { 3bcb 7442 395dfc 7414 }
            // n = 4, score = 100
            //   3bcb                 | cmp                 ecx, ebx
            //   7442                 | je                  0x44
            //   395dfc               | cmp                 dword ptr [ebp - 4], ebx
            //   7414                 | je                  0x16

        $sequence_10 = { 48 8d542438 48 8bcb e8???????? 48 }
            // n = 6, score = 100
            //   48                   | dec                 eax
            //   8d542438             | lea                 edx, [esp + 0x38]
            //   48                   | dec                 eax
            //   8bcb                 | mov                 ecx, ebx
            //   e8????????           |                     
            //   48                   | dec                 eax

        $sequence_11 = { 3bcb 743b 6afe 58 }
            // n = 4, score = 100
            //   3bcb                 | cmp                 ecx, ebx
            //   743b                 | je                  0x3d
            //   6afe                 | push                -2
            //   58                   | pop                 eax

        $sequence_12 = { 44 8b07 33d2 49 8bce e8???????? }
            // n = 6, score = 100
            //   44                   | inc                 esp
            //   8b07                 | mov                 eax, dword ptr [edi]
            //   33d2                 | xor                 edx, edx
            //   49                   | dec                 ecx
            //   8bce                 | mov                 ecx, esi
            //   e8????????           |                     

        $sequence_13 = { 48 8d4201 8d6b01 48 }
            // n = 4, score = 100
            //   48                   | dec                 eax
            //   8d4201               | lea                 eax, [edx + 1]
            //   8d6b01               | lea                 ebp, [ebx + 1]
            //   48                   | dec                 eax

        $sequence_14 = { 57 50 ff7508 e8???????? 83c40c ff36 e8???????? }
            // n = 7, score = 100
            //   57                   | push                edi
            //   50                   | push                eax
            //   ff7508               | push                dword ptr [ebp + 8]
            //   e8????????           |                     
            //   83c40c               | add                 esp, 0xc
            //   ff36                 | push                dword ptr [esi]
            //   e8????????           |                     

        $sequence_15 = { 3bcb 7461 8b01 83f807 }
            // n = 4, score = 100
            //   3bcb                 | cmp                 ecx, ebx
            //   7461                 | je                  0x63
            //   8b01                 | mov                 eax, dword ptr [ecx]
            //   83f807               | cmp                 eax, 7

        $sequence_16 = { 3bcb 7512 ff7708 ff37 }
            // n = 4, score = 100
            //   3bcb                 | cmp                 ecx, ebx
            //   7512                 | jne                 0x14
            //   ff7708               | push                dword ptr [edi + 8]
            //   ff37                 | push                dword ptr [edi]

        $sequence_17 = { 7418 44 3832 7409 48 }
            // n = 5, score = 100
            //   7418                 | je                  0x1a
            //   44                   | inc                 esp
            //   3832                 | cmp                 byte ptr [edx], dh
            //   7409                 | je                  0xb
            //   48                   | dec                 eax

        $sequence_18 = { 3bcb 7420 0fb700 d1e8 50 }
            // n = 5, score = 100
            //   3bcb                 | cmp                 ecx, ebx
            //   7420                 | je                  0x22
            //   0fb700               | movzx               eax, word ptr [eax]
            //   d1e8                 | shr                 eax, 1
            //   50                   | push                eax

        $sequence_19 = { 68???????? b900040000 bf???????? e8???????? 83c414 eb17 56 }
            // n = 7, score = 100
            //   68????????           |                     
            //   b900040000           | mov                 ecx, 0x400
            //   bf????????           |                     
            //   e8????????           |                     
            //   83c414               | add                 esp, 0x14
            //   eb17                 | jmp                 0x19
            //   56                   | push                esi

        $sequence_20 = { 90 48 8d8c24d0000000 e8???????? }
            // n = 4, score = 100
            //   90                   | nop                 
            //   48                   | dec                 eax
            //   8d8c24d0000000       | lea                 ecx, [esp + 0xd0]
            //   e8????????           |                     

        $sequence_21 = { 0f4cdc e8???????? 41 3bc4 48 }
            // n = 5, score = 100
            //   0f4cdc               | cmovl               ebx, esp
            //   e8????????           |                     
            //   41                   | inc                 ecx
            //   3bc4                 | cmp                 eax, esp
            //   48                   | dec                 eax

        $sequence_22 = { e8???????? ff742408 8b442408 83660c00 8bce }
            // n = 5, score = 100
            //   e8????????           |                     
            //   ff742408             | push                dword ptr [esp + 8]
            //   8b442408             | mov                 eax, dword ptr [esp + 8]
            //   83660c00             | and                 dword ptr [esi + 0xc], 0
            //   8bce                 | mov                 ecx, esi

    condition:
        7 of them and filesize < 663552
}
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