rule win_tmanger_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-05-04"
        version = "1"
        description = "Detects win.tmanger."
        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.tmanger"
        malpedia_rule_date = "20260422"
        malpedia_hash = "a182e35da64e6d71cb55f125c4d4225196523f14"
        malpedia_version = "20260504"
        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 = { c7415565449eac c741594d68b93a c7415d382cd7bd c74161d47bdb0f }
            // n = 4, score = 200
            //   c7415565449eac       | mov                 edi, eax
            //   c741594d68b93a       | mov                 dword ptr [ebp - 0x38], edi
            //   c7415d382cd7bd       | test                edi, edi
            //   c74161d47bdb0f       | jne                 0x576

        $sequence_1 = { c74118d95dc845 c7411cf8f0564e c7412066b8276e c7412425d933d1 c7412861fdc72a }
            // n = 5, score = 200
            //   c74118d95dc845       | add                 eax, dword ptr [ecx*4 + 0x5d1870]
            //   c7411cf8f0564e       | push                eax
            //   c7412066b8276e       | sar                 ecx, 6
            //   c7412425d933d1       | imul                edx, eax, 0x30
            //   c7412861fdc72a       | mov                 eax, dword ptr [ebp - 4]

        $sequence_2 = { c741594d68b93a c7415d382cd7bd c74161d47bdb0f c741651f013f62 c74169388b8e92 }
            // n = 5, score = 200
            //   c741594d68b93a       | mov                 eax, dword ptr [edi*4 + 0x5d1870]
            //   c7415d382cd7bd       | test                byte ptr [eax + esi + 0x28], 0x80
            //   c74161d47bdb0f       | je                  0xa9
            //   c741651f013f62       | ret                 4
            //   c74169388b8e92       | push                ebx

        $sequence_3 = { c7412066b8276e c7412425d933d1 c7412861fdc72a c7412cdf9134d2 c74130324d251d }
            // n = 5, score = 200
            //   c7412066b8276e       | add                 edx, dword ptr [ecx*4 + 0x5d1870]
            //   c7412425d933d1       | mov                 eax, dword ptr [eax]
            //   c7412861fdc72a       | sar                 ecx, 6
            //   c7412cdf9134d2       | imul                edx, edi, 0x30
            //   c74130324d251d       | mov                 ecx, dword ptr [ecx*4 + 0x465b40]

        $sequence_4 = { c74169388b8e92 c7416d9b14f6a0 c7417180fcd6bb c74175d7401d36 c7417958fffa19 66c7417dfc19 }
            // n = 6, score = 200
            //   c74169388b8e92       | mov                 eax, dword ptr [ecx + 0x110]
            //   c7416d9b14f6a0       | ret                 
            //   c7417180fcd6bb       | mov                 eax, dword ptr [ecx + 0xbc]
            //   c74175d7401d36       | ret                 
            //   c7417958fffa19       | ret                 4
            //   66c7417dfc19         | mov                 eax, dword ptr [ecx + 0x124]

        $sequence_5 = { c741103a71c135 c74114c2a02ab0 c74118d95dc845 c7411cf8f0564e c7412066b8276e c7412425d933d1 }
            // n = 6, score = 200
            //   c741103a71c135       | dec                 eax
            //   c74114c2a02ab0       | lea                 edx, [esp + 0x40]
            //   c74118d95dc845       | sar                 ebx, 6
            //   c7411cf8f0564e       | and                 eax, 0x3f
            //   c7412066b8276e       | imul                edx, eax, 0x30
            //   c7412425d933d1       | mov                 dword ptr [ebp - 0x1c], ebx

        $sequence_6 = { c7411cf8f0564e c7412066b8276e c7412425d933d1 c7412861fdc72a c7412cdf9134d2 c74130324d251d c74134375ec19d }
            // n = 7, score = 200
            //   c7411cf8f0564e       | mov                 byte ptr [ebp - 4], 0xb6
            //   c7412066b8276e       | push                eax
            //   c7412425d933d1       | lea                 eax, [ebp - 0x3bc]
            //   c7412861fdc72a       | push                eax
            //   c7412cdf9134d2       | lea                 ecx, [ebp - 0x38]
            //   c74130324d251d       | mov                 ecx, dword ptr [ebp - 0x3bc]
            //   c74134375ec19d       | mov                 byte ptr [ebp - 4], 0xb8

        $sequence_7 = { c74149ff663a9d c7414dd22a7e91 c741510f9f2997 c7415565449eac c741594d68b93a c7415d382cd7bd }
            // n = 6, score = 200
            //   c74149ff663a9d       | ret                 
            //   c7414dd22a7e91       | push                8
            //   c741510f9f2997       | ret                 4
            //   c7415565449eac       | push                8
            //   c741594d68b93a       | push                dword ptr [ebp + 0xc]
            //   c7415d382cd7bd       | xor                 edi, edi

        $sequence_8 = { c741594d68b93a c7415d382cd7bd c74161d47bdb0f c741651f013f62 c74169388b8e92 c7416d9b14f6a0 }
            // n = 6, score = 200
            //   c741594d68b93a       | cmp                 dword ptr [ecx + 0x190], 0
            //   c7415d382cd7bd       | je                  0xfff3ad7a
            //   c74161d47bdb0f       | ret                 
            //   c741651f013f62       | push                ebp
            //   c74169388b8e92       | mov                 ebp, esp
            //   c7416d9b14f6a0       | ret                 4

        $sequence_9 = { c741510f9f2997 c7415565449eac c741594d68b93a c7415d382cd7bd }
            // n = 4, score = 200
            //   c741510f9f2997       | mov                 edi, eax
            //   c7415565449eac       | test                edi, edi
            //   c741594d68b93a       | jle                 0x5c6
            //   c7415d382cd7bd       | mov                 dword ptr [ebp - 0x20], 0x59f1fc

    condition:
        7 of them and filesize < 8252416
}