Actor(s): Comment Crew
There is no description at this point.
rule win_manitsme_auto { meta: author = "Felix Bilstein - yara-signator at cocacoding dot com" date = "2026-05-04" version = "1" description = "Detects win.manitsme." 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.manitsme" 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 = { 6a00 6a00 8d4c2414 51 6a00 89742420 c744241c01000000 } // n = 7, score = 100 // 6a00 | push 0 // 6a00 | push 0 // 8d4c2414 | lea ecx, [esp + 0x14] // 51 | push ecx // 6a00 | push 0 // 89742420 | mov dword ptr [esp + 0x20], esi // c744241c01000000 | mov dword ptr [esp + 0x1c], 1 $sequence_1 = { 8d442420 50 6a00 6a00 8d4c2434 51 6a00 } // n = 7, score = 100 // 8d442420 | lea eax, [esp + 0x20] // 50 | push eax // 6a00 | push 0 // 6a00 | push 0 // 8d4c2434 | lea ecx, [esp + 0x34] // 51 | push ecx // 6a00 | push 0 $sequence_2 = { 8bc8 c1f905 8d1c8d40580110 8bf0 83e61f 6bf628 8b0b } // n = 7, score = 100 // 8bc8 | mov ecx, eax // c1f905 | sar ecx, 5 // 8d1c8d40580110 | lea ebx, [ecx*4 + 0x10015840] // 8bf0 | mov esi, eax // 83e61f | and esi, 0x1f // 6bf628 | imul esi, esi, 0x28 // 8b0b | mov ecx, dword ptr [ebx] $sequence_3 = { e8???????? 83c404 52 ff15???????? ebaf 6a00 6a01 } // n = 7, score = 100 // e8???????? | // 83c404 | add esp, 4 // 52 | push edx // ff15???????? | // ebaf | jmp 0xffffffb1 // 6a00 | push 0 // 6a01 | push 1 $sequence_4 = { 50 e8???????? a1???????? 83c404 83f8ff 7420 } // n = 6, score = 100 // 50 | push eax // e8???????? | // a1???????? | // 83c404 | add esp, 4 // 83f8ff | cmp eax, -1 // 7420 | je 0x22 $sequence_5 = { 68???????? 32db e8???????? dc0d???????? } // n = 4, score = 100 // 68???????? | // 32db | xor bl, bl // e8???????? | // dc0d???????? | $sequence_6 = { 52 be04010000 8bfb e8???????? } // n = 4, score = 100 // 52 | push edx // be04010000 | mov esi, 0x104 // 8bfb | mov edi, ebx // e8???????? | $sequence_7 = { e8???????? 83c404 b801000000 c20c00 81ec40010000 a1???????? } // n = 6, score = 100 // e8???????? | // 83c404 | add esp, 4 // b801000000 | mov eax, 1 // c20c00 | ret 0xc // 81ec40010000 | sub esp, 0x140 // a1???????? | $sequence_8 = { ffd3 85c0 7586 50 ff15???????? } // n = 5, score = 100 // ffd3 | call ebx // 85c0 | test eax, eax // 7586 | jne 0xffffff88 // 50 | push eax // ff15???????? | $sequence_9 = { 7416 8bc1 83e01f 6bc028 8bd1 c1fa05 03049540580110 } // n = 7, score = 100 // 7416 | je 0x18 // 8bc1 | mov eax, ecx // 83e01f | and eax, 0x1f // 6bc028 | imul eax, eax, 0x28 // 8bd1 | mov edx, ecx // c1fa05 | sar edx, 5 // 03049540580110 | add eax, dword ptr [edx*4 + 0x10015840] condition: 7 of them and filesize < 212992 }
If your designated proposal does not fit in any other category, feel free to write a free-text in the comment field below. Changes regarding references should be proposed on the Malpedia library page.
Your suggestion will be reviewed before being published. Thank you for contributing!
YYYY-MM-DD
YYYY-MM
YYYY