There is no description at this point.
rule win_mokes_auto { meta: author = "Felix Bilstein - yara-signator at cocacoding dot com" date = "2023-12-06" version = "1" description = "Detects win.mokes." 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.mokes" malpedia_rule_date = "20231130" malpedia_hash = "fc8a0e9f343f6d6ded9e7df1a64dac0cc68d7351" malpedia_version = "20230808" 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 = { f6c101 0f85b0000000 8b442424 8b00 3d???????? 0f849f000000 8b4804 } // n = 7, score = 400 // f6c101 | test cl, 1 // 0f85b0000000 | jne 0xb6 // 8b442424 | mov eax, dword ptr [esp + 0x24] // 8b00 | mov eax, dword ptr [eax] // 3d???????? | // 0f849f000000 | je 0xa5 // 8b4804 | mov ecx, dword ptr [eax + 4] $sequence_1 = { f20f1001 660f2fc1 0f28c3 f20f5cc7 0f47c1 f20f1008 f20f59c2 } // n = 7, score = 400 // f20f1001 | movsd xmm0, qword ptr [ecx] // 660f2fc1 | comisd xmm0, xmm1 // 0f28c3 | movaps xmm0, xmm3 // f20f5cc7 | subsd xmm0, xmm7 // 0f47c1 | cmova eax, ecx // f20f1008 | movsd xmm1, qword ptr [eax] // f20f59c2 | mulsd xmm0, xmm2 $sequence_2 = { ff9050010000 8b8bac010000 8d83ac010000 89442424 85c9 740b 83790400 } // n = 7, score = 400 // ff9050010000 | call dword ptr [eax + 0x150] // 8b8bac010000 | mov ecx, dword ptr [ebx + 0x1ac] // 8d83ac010000 | lea eax, [ebx + 0x1ac] // 89442424 | mov dword ptr [esp + 0x24], eax // 85c9 | test ecx, ecx // 740b | je 0xd // 83790400 | cmp dword ptr [ecx + 4], 0 $sequence_3 = { ff5030 89442410 83f8ff 7512 8b4508 c700???????? 5f } // n = 7, score = 400 // ff5030 | call dword ptr [eax + 0x30] // 89442410 | mov dword ptr [esp + 0x10], eax // 83f8ff | cmp eax, -1 // 7512 | jne 0x14 // 8b4508 | mov eax, dword ptr [ebp + 8] // c700???????? | // 5f | pop edi $sequence_4 = { f20f1025???????? f30fe6db f30fe6d2 f30fe6c9 f30fe6c0 f20f59dc f20f59d4 } // n = 7, score = 400 // f20f1025???????? | // f30fe6db | cvtdq2pd xmm3, xmm3 // f30fe6d2 | cvtdq2pd xmm2, xmm2 // f30fe6c9 | cvtdq2pd xmm1, xmm1 // f30fe6c0 | cvtdq2pd xmm0, xmm0 // f20f59dc | mulsd xmm3, xmm4 // f20f59d4 | mulsd xmm2, xmm4 $sequence_5 = { ffd0 8d4900 3d???????? 0f84cb000000 8b00 85c0 75ef } // n = 7, score = 400 // ffd0 | call eax // 8d4900 | lea ecx, [ecx] // 3d???????? | // 0f84cb000000 | je 0xd1 // 8b00 | mov eax, dword ptr [eax] // 85c0 | test eax, eax // 75ef | jne 0xfffffff1 $sequence_6 = { e8???????? 8d4e14 e8???????? 8d4e34 e8???????? 5f 5e } // n = 7, score = 400 // e8???????? | // 8d4e14 | lea ecx, [esi + 0x14] // e8???????? | // 8d4e34 | lea ecx, [esi + 0x34] // e8???????? | // 5f | pop edi // 5e | pop esi $sequence_7 = { ff750c c70000000000 e8???????? 8b4508 8bce c706???????? c74608???????? } // n = 7, score = 400 // ff750c | push dword ptr [ebp + 0xc] // c70000000000 | mov dword ptr [eax], 0 // e8???????? | // 8b4508 | mov eax, dword ptr [ebp + 8] // 8bce | mov ecx, esi // c706???????? | // c74608???????? | $sequence_8 = { e8???????? 8b75e4 8b4e0c 03ce 8b4604 8d0445feffffff 50 } // n = 7, score = 400 // e8???????? | // 8b75e4 | mov esi, dword ptr [ebp - 0x1c] // 8b4e0c | mov ecx, dword ptr [esi + 0xc] // 03ce | add ecx, esi // 8b4604 | mov eax, dword ptr [esi + 4] // 8d0445feffffff | lea eax, [eax*2 - 2] // 50 | push eax $sequence_9 = { f20f1005???????? 660f2fc1 0f82ac010000 f20f108e88000000 f20f109690000000 f20f5c9680000000 f20f5c4e78 } // n = 7, score = 400 // f20f1005???????? | // 660f2fc1 | comisd xmm0, xmm1 // 0f82ac010000 | jb 0x1b2 // f20f108e88000000 | movsd xmm1, qword ptr [esi + 0x88] // f20f109690000000 | movsd xmm2, qword ptr [esi + 0x90] // f20f5c9680000000 | subsd xmm2, qword ptr [esi + 0x80] // f20f5c4e78 | subsd xmm1, qword ptr [esi + 0x78] condition: 7 of them and filesize < 18505728 }
If your designated proposal does not fit in any other category, feel free to write a free-text in the comment field below.
Please propose all changes regarding references on the Malpedia library page
Your suggestion will be reviewed before being published. Thank you for contributing!
YYYY-MM-DD
YYYY-MM
YYYY