rule win_tmanger_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-01-25"
        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 = "20230124"
        malpedia_hash = "2ee0eebba83dce3d019a90519f2f972c0fcf9686"
        malpedia_version = "20230125"
        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 = { c7415d382cd7bd c74161d47bdb0f c741651f013f62 c74169388b8e92 c7416d9b14f6a0 c7417180fcd6bb c74175d7401d36 }
            // n = 7, score = 300
            //   c7415d382cd7bd       | push                dword ptr [ecx + edi + 0x20]
            //   c74161d47bdb0f       | push                ebx
            //   c741651f013f62       | sar                 edi, 4
            //   c74169388b8e92       | cmp                 eax, edx
            //   c7416d9b14f6a0       | je                  0x44f
            //   c7417180fcd6bb       | lea                 eax, [edi + 1]
            //   c74175d7401d36       | shl                 eax, 4

        $sequence_1 = { c7415d382cd7bd c74161d47bdb0f c741651f013f62 c74169388b8e92 c7416d9b14f6a0 }
            // n = 5, score = 300
            //   c7415d382cd7bd       | lea                 eax, [ebp + 0x10]
            //   c74161d47bdb0f       | ret                 
            //   c741651f013f62       | push                ebp
            //   c74169388b8e92       | mov                 ebp, esp
            //   c7416d9b14f6a0       | mov                 eax, dword ptr [ebp + 8]

        $sequence_2 = { c74169388b8e92 c7416d9b14f6a0 c7417180fcd6bb c74175d7401d36 }
            // n = 4, score = 300
            //   c74169388b8e92       | add                 edx, ebx
            //   c7416d9b14f6a0       | mov                 dword ptr [ebp - 0x28], edx
            //   c7417180fcd6bb       | lea                 edx, [ecx - 8]
            //   c74175d7401d36       | lea                 edx, [ecx - 8]

        $sequence_3 = { c74108cc6188ff c7410c16d9fdf8 c741103a71c135 c74114c2a02ab0 c74118d95dc845 c7411cf8f0564e }
            // n = 6, score = 300
            //   c74108cc6188ff       | mov                 edi, dword ptr [ecx]
            //   c7410c16d9fdf8       | test                edi, edi
            //   c741103a71c135       | je                  0x40f
            //   c74114c2a02ab0       | mov                 eax, dword ptr [edi]
            //   c74118d95dc845       | ret                 
            //   c7411cf8f0564e       | push                edi

        $sequence_4 = { c74114c2a02ab0 c74118d95dc845 c7411cf8f0564e c7412066b8276e }
            // n = 4, score = 300
            //   c74114c2a02ab0       | mov                 dword ptr [esp + 0x10], eax
            //   c74118d95dc845       | mov                 al, byte ptr [esi]
            //   c7411cf8f0564e       | lea                 ecx, [esi + 0xc]
            //   c7412066b8276e       | push                6

        $sequence_5 = { c741510f9f2997 c7415565449eac c741594d68b93a c7415d382cd7bd }
            // n = 4, score = 300
            //   c741510f9f2997       | mov                 ecx, edi
            //   c7415565449eac       | lea                 edx, [eax + 0xe]
            //   c741594d68b93a       | dec                 eax
            //   c7415d382cd7bd       | lea                 ecx, [ebp + 0x220]

        $sequence_6 = { c741510f9f2997 c7415565449eac c741594d68b93a c7415d382cd7bd c74161d47bdb0f c741651f013f62 c74169388b8e92 }
            // n = 7, score = 300
            //   c741510f9f2997       | mov                 dword ptr [ebp - 0x20], ecx
            //   c7415565449eac       | mov                 eax, dword ptr [ebx*4 + 0x5d1870]
            //   c741594d68b93a       | movzx               eax, byte ptr [eax + ecx + 0x28]
            //   c7415d382cd7bd       | sar                 ebx, 6
            //   c74161d47bdb0f       | mov                 eax, esi
            //   c741651f013f62       | and                 eax, 0x3f
            //   c74169388b8e92       | imul                ecx, eax, 0x30

        $sequence_7 = { c741103a71c135 c74114c2a02ab0 c74118d95dc845 c7411cf8f0564e c7412066b8276e c7412425d933d1 c7412861fdc72a }
            // n = 7, score = 300
            //   c741103a71c135       | imul                ecx, eax, 0x30
            //   c74114c2a02ab0       | mov                 eax, dword ptr [edx*4 + 0x10023fc0]
            //   c74118d95dc845       | test                byte ptr [eax + ecx + 0x28], 1
            //   c7411cf8f0564e       | je                  0x1a7
            //   c7412066b8276e       | lea                 eax, [ebp + 8]
            //   c7412425d933d1       | mov                 dword ptr [ebp - 4], eax
            //   c7412861fdc72a       | sar                 edx, 6

        $sequence_8 = { c74141fdea7736 c74145aed72316 c74149ff663a9d c7414dd22a7e91 c741510f9f2997 c7415565449eac c741594d68b93a }
            // n = 7, score = 300
            //   c74141fdea7736       | mov                 eax, dword ptr [ebx*4 + 0x5d1870]
            //   c74145aed72316       | mov                 dword ptr [ebp - 0x2c], eax
            //   c74149ff663a9d       | mov                 dword ptr [ebp - 0x18], edx
            //   c7414dd22a7e91       | sar                 ebx, 6
            //   c741510f9f2997       | and                 eax, 0x3f
            //   c7415565449eac       | imul                edx, eax, 0x30
            //   c741594d68b93a       | mov                 dword ptr [ebp - 0x1c], ebx

        $sequence_9 = { c7412066b8276e c7412425d933d1 c7412861fdc72a c7412cdf9134d2 c74130324d251d }
            // n = 5, score = 300
            //   c7412066b8276e       | ret                 
            //   c7412425d933d1       | dec                 eax
            //   c7412861fdc72a       | sub                 esp, 0x38
            //   c7412cdf9134d2       | dec                 eax
            //   c74130324d251d       | lea                 eax, [0x92e5]

    condition:
        7 of them and filesize < 8252416
}