SYMBOLCOMMON_NAMEaka. SYNONYMS
win.teleport (Back to overview)

Teleport

Actor(s): TA505

VTCollection    

Cisco Talos reports that this is a data exfiltration tool used by TA505.

References
2022-12-08 ⋅ Cisco Talos ⋅ Tiago Pereira
Breaking the silence - Recent Truebot activity
Clop Cobalt Strike FlawedGrace Raspberry Robin Silence Teleport
Yara Rules
[TLP:WHITE] win_teleport_auto (20260917 | Detects win.teleport.)
rule win_teleport_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.teleport."
        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.teleport"
        malpedia_rule_date = "20260916"
        malpedia_hash = "53a643781c18e08f4a50949af60172d837a0b6f6"
        malpedia_version = "20260917"
        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 = { 83c408 c7466800000000 33c0 c7466c07000000 66894658 8b4644 53 }
            // n = 7, score = 100
            //   83c408               | add                 esp, 8
            //   c7466800000000       | mov                 dword ptr [esi + 0x68], 0
            //   33c0                 | xor                 eax, eax
            //   c7466c07000000       | mov                 dword ptr [esi + 0x6c], 7
            //   66894658             | mov                 word ptr [esi + 0x58], ax
            //   8b4644               | mov                 eax, dword ptr [esi + 0x44]
            //   53                   | push                ebx

        $sequence_1 = { 894824 c6401c01 894dfc 8d85d0feffff b912000000 eb50 }
            // n = 6, score = 100
            //   894824               | mov                 dword ptr [eax + 0x24], ecx
            //   c6401c01             | mov                 byte ptr [eax + 0x1c], 1
            //   894dfc               | mov                 dword ptr [ebp - 4], ecx
            //   8d85d0feffff         | lea                 eax, [ebp - 0x130]
            //   b912000000           | mov                 ecx, 0x12
            //   eb50                 | jmp                 0x52

        $sequence_2 = { 8945c8 8d45cc 50 56 e8???????? }
            // n = 5, score = 100
            //   8945c8               | mov                 dword ptr [ebp - 0x38], eax
            //   8d45cc               | lea                 eax, [ebp - 0x34]
            //   50                   | push                eax
            //   56                   | push                esi
            //   e8????????           |                     

        $sequence_3 = { 8986bc000000 83fa08 7241 8b8dd8f7ffff 8d145502000000 8bc1 }
            // n = 6, score = 100
            //   8986bc000000         | mov                 dword ptr [esi + 0xbc], eax
            //   83fa08               | cmp                 edx, 8
            //   7241                 | jb                  0x43
            //   8b8dd8f7ffff         | mov                 ecx, dword ptr [ebp - 0x828]
            //   8d145502000000       | lea                 edx, [edx*2 + 2]
            //   8bc1                 | mov                 eax, ecx

        $sequence_4 = { 83f301 3345f8 83f001 8b97a4000000 8945ec 33d3 8bc3 }
            // n = 7, score = 100
            //   83f301               | xor                 ebx, 1
            //   3345f8               | xor                 eax, dword ptr [ebp - 8]
            //   83f001               | xor                 eax, 1
            //   8b97a4000000         | mov                 edx, dword ptr [edi + 0xa4]
            //   8945ec               | mov                 dword ptr [ebp - 0x14], eax
            //   33d3                 | xor                 edx, ebx
            //   8bc3                 | mov                 eax, ebx

        $sequence_5 = { 53 e8???????? c645fc02 8b95bcf7ffff 83fa10 722f 8b8da8f7ffff }
            // n = 7, score = 100
            //   53                   | push                ebx
            //   e8????????           |                     
            //   c645fc02             | mov                 byte ptr [ebp - 4], 2
            //   8b95bcf7ffff         | mov                 edx, dword ptr [ebp - 0x844]
            //   83fa10               | cmp                 edx, 0x10
            //   722f                 | jb                  0x31
            //   8b8da8f7ffff         | mov                 ecx, dword ptr [ebp - 0x858]

        $sequence_6 = { 8d85e8fdffff 6808020000 c745fc00000000 6a00 50 }
            // n = 5, score = 100
            //   8d85e8fdffff         | lea                 eax, [ebp - 0x218]
            //   6808020000           | push                0x208
            //   c745fc00000000       | mov                 dword ptr [ebp - 4], 0
            //   6a00                 | push                0
            //   50                   | push                eax

        $sequence_7 = { eb1a 8d45fc 50 8b04bde83e4300 ff743018 }
            // n = 5, score = 100
            //   eb1a                 | jmp                 0x1c
            //   8d45fc               | lea                 eax, [ebp - 4]
            //   50                   | push                eax
            //   8b04bde83e4300       | mov                 eax, dword ptr [edi*4 + 0x433ee8]
            //   ff743018             | push                dword ptr [eax + esi + 0x18]

        $sequence_8 = { 8bf8 89565c 8b4640 897e58 89bd78f7ffff 8b7e40 8b4850 }
            // n = 7, score = 100
            //   8bf8                 | mov                 edi, eax
            //   89565c               | mov                 dword ptr [esi + 0x5c], edx
            //   8b4640               | mov                 eax, dword ptr [esi + 0x40]
            //   897e58               | mov                 dword ptr [esi + 0x58], edi
            //   89bd78f7ffff         | mov                 dword ptr [ebp - 0x888], edi
            //   8b7e40               | mov                 edi, dword ptr [esi + 0x40]
            //   8b4850               | mov                 ecx, dword ptr [eax + 0x50]

        $sequence_9 = { c1eb08 330c85a0f64200 334fd8 8b45f0 c1e810 0fb6c0 }
            // n = 6, score = 100
            //   c1eb08               | shr                 ebx, 8
            //   330c85a0f64200       | xor                 ecx, dword ptr [eax*4 + 0x42f6a0]
            //   334fd8               | xor                 ecx, dword ptr [edi - 0x28]
            //   8b45f0               | mov                 eax, dword ptr [ebp - 0x10]
            //   c1e810               | shr                 eax, 0x10
            //   0fb6c0               | movzx               eax, al

    condition:
        7 of them and filesize < 458752
}
Download all Yara Rules