rule win_oddjob_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2026-09-17"
        version = "1"
        description = "Detects win.oddjob."
        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.oddjob"
        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 = { c68525fbffff43 c68526fbffff62 c68527fbffff5b c68528fbffff31 c68529fbffffd2 c6852afbffff40 c6852bfbffff66 }
            // n = 7, score = 100
            //   c68525fbffff43       | mov                 byte ptr [ebp - 0x4db], 0x43
            //   c68526fbffff62       | mov                 byte ptr [ebp - 0x4da], 0x62
            //   c68527fbffff5b       | mov                 byte ptr [ebp - 0x4d9], 0x5b
            //   c68528fbffff31       | mov                 byte ptr [ebp - 0x4d8], 0x31
            //   c68529fbffffd2       | mov                 byte ptr [ebp - 0x4d7], 0xd2
            //   c6852afbffff40       | mov                 byte ptr [ebp - 0x4d6], 0x40
            //   c6852bfbffff66       | mov                 byte ptr [ebp - 0x4d5], 0x66

        $sequence_1 = { ff15???????? 397df4 7409 ff75f4 ff15???????? 397df0 740a }
            // n = 7, score = 100
            //   ff15????????         |                     
            //   397df4               | cmp                 dword ptr [ebp - 0xc], edi
            //   7409                 | je                  0xb
            //   ff75f4               | push                dword ptr [ebp - 0xc]
            //   ff15????????         |                     
            //   397df0               | cmp                 dword ptr [ebp - 0x10], edi
            //   740a                 | je                  0xc

        $sequence_2 = { 83c40c 85c0 742e 8b45fc 3bf0 7627 }
            // n = 6, score = 100
            //   83c40c               | add                 esp, 0xc
            //   85c0                 | test                eax, eax
            //   742e                 | je                  0x30
            //   8b45fc               | mov                 eax, dword ptr [ebp - 4]
            //   3bf0                 | cmp                 esi, eax
            //   7627                 | jbe                 0x29

        $sequence_3 = { 85c0 7f06 8bc6 0bc3 742d 8b85ecfbffff 99 }
            // n = 7, score = 100
            //   85c0                 | test                eax, eax
            //   7f06                 | jg                  8
            //   8bc6                 | mov                 eax, esi
            //   0bc3                 | or                  eax, ebx
            //   742d                 | je                  0x2f
            //   8b85ecfbffff         | mov                 eax, dword ptr [ebp - 0x414]
            //   99                   | cdq                 

        $sequence_4 = { c685a7feffff5a c685a8feffff5b c685a9feffffc3 c685aafeffff31 c685abfeffffc0 c685acfeffff8b c685adfeffff5c }
            // n = 7, score = 100
            //   c685a7feffff5a       | mov                 byte ptr [ebp - 0x159], 0x5a
            //   c685a8feffff5b       | mov                 byte ptr [ebp - 0x158], 0x5b
            //   c685a9feffffc3       | mov                 byte ptr [ebp - 0x157], 0xc3
            //   c685aafeffff31       | mov                 byte ptr [ebp - 0x156], 0x31
            //   c685abfeffffc0       | mov                 byte ptr [ebp - 0x155], 0xc0
            //   c685acfeffff8b       | mov                 byte ptr [ebp - 0x154], 0x8b
            //   c685adfeffff5c       | mov                 byte ptr [ebp - 0x153], 0x5c

        $sequence_5 = { c6858dfaffff59 c6858efaffff83 c6858ffaffff3b 889d90faffff c68591faffff75 c68592faffff4b }
            // n = 6, score = 100
            //   c6858dfaffff59       | mov                 byte ptr [ebp - 0x573], 0x59
            //   c6858efaffff83       | mov                 byte ptr [ebp - 0x572], 0x83
            //   c6858ffaffff3b       | mov                 byte ptr [ebp - 0x571], 0x3b
            //   889d90faffff         | mov                 byte ptr [ebp - 0x570], bl
            //   c68591faffff75       | mov                 byte ptr [ebp - 0x56f], 0x75
            //   c68592faffff4b       | mov                 byte ptr [ebp - 0x56e], 0x4b

        $sequence_6 = { 8bec 83ec18 53 56 33db 57 33ff }
            // n = 7, score = 100
            //   8bec                 | mov                 ebp, esp
            //   83ec18               | sub                 esp, 0x18
            //   53                   | push                ebx
            //   56                   | push                esi
            //   33db                 | xor                 ebx, ebx
            //   57                   | push                edi
            //   33ff                 | xor                 edi, edi

        $sequence_7 = { e8???????? 59 59 8985c4f7ffff 39bdccf7ffff 0f84e0000000 }
            // n = 6, score = 100
            //   e8????????           |                     
            //   59                   | pop                 ecx
            //   59                   | pop                 ecx
            //   8985c4f7ffff         | mov                 dword ptr [ebp - 0x83c], eax
            //   39bdccf7ffff         | cmp                 dword ptr [ebp - 0x834], edi
            //   0f84e0000000         | je                  0xe6

        $sequence_8 = { 6aff 56 6a01 53 ff15???????? 3bc3 7483 }
            // n = 7, score = 100
            //   6aff                 | push                -1
            //   56                   | push                esi
            //   6a01                 | push                1
            //   53                   | push                ebx
            //   ff15????????         |                     
            //   3bc3                 | cmp                 eax, ebx
            //   7483                 | je                  0xffffff85

        $sequence_9 = { ff505c 8bc7 e8???????? 89859094ffff 3bc3 7506 }
            // n = 6, score = 100
            //   ff505c               | call                dword ptr [eax + 0x5c]
            //   8bc7                 | mov                 eax, edi
            //   e8????????           |                     
            //   89859094ffff         | mov                 dword ptr [ebp - 0x6b70], eax
            //   3bc3                 | cmp                 eax, ebx
            //   7506                 | jne                 8

    condition:
        7 of them and filesize < 221184
}