There is no description at this point.
rule win_stresspaint_auto { meta: author = "Felix Bilstein - yara-signator at cocacoding dot com" date = "2023-01-25" version = "1" description = "Detects win.stresspaint." 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.stresspaint" 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 = { 8d4c2444 8b4208 51 50 } // n = 4, score = 100 // 8d4c2444 | lea ecx, [esp + 0x44] // 8b4208 | mov eax, dword ptr [edx + 8] // 51 | push ecx // 50 | push eax $sequence_1 = { 8d4c2444 51 57 55 e8???????? 83c440 } // n = 6, score = 100 // 8d4c2444 | lea ecx, [esp + 0x44] // 51 | push ecx // 57 | push edi // 55 | push ebp // e8???????? | // 83c440 | add esp, 0x40 $sequence_2 = { 8d4c2444 51 e8???????? 83c404 3d18e22d00 } // n = 5, score = 100 // 8d4c2444 | lea ecx, [esp + 0x44] // 51 | push ecx // e8???????? | // 83c404 | add esp, 4 // 3d18e22d00 | cmp eax, 0x2de218 $sequence_3 = { 0106 83560400 837d1c00 7494 } // n = 4, score = 100 // 0106 | add dword ptr [esi], eax // 83560400 | adc dword ptr [esi + 4], 0 // 837d1c00 | cmp dword ptr [ebp + 0x1c], 0 // 7494 | je 0xffffff96 $sequence_4 = { 8d4c2444 8b4220 50 51 } // n = 4, score = 100 // 8d4c2444 | lea ecx, [esp + 0x44] // 8b4220 | mov eax, dword ptr [edx + 0x20] // 50 | push eax // 51 | push ecx $sequence_5 = { 0103 014510 294674 8b4674 } // n = 4, score = 100 // 0103 | add dword ptr [ebx], eax // 014510 | add dword ptr [ebp + 0x10], eax // 294674 | sub dword ptr [esi + 0x74], eax // 8b4674 | mov eax, dword ptr [esi + 0x74] $sequence_6 = { 8d4c2444 51 52 8d6c28ff e8???????? 83c408 85c0 } // n = 7, score = 100 // 8d4c2444 | lea ecx, [esp + 0x44] // 51 | push ecx // 52 | push edx // 8d6c28ff | lea ebp, [eax + ebp - 1] // e8???????? | // 83c408 | add esp, 8 // 85c0 | test eax, eax $sequence_7 = { 0107 115f04 3bcb 7508 } // n = 4, score = 100 // 0107 | add dword ptr [edi], eax // 115f04 | adc dword ptr [edi + 4], ebx // 3bcb | cmp ecx, ebx // 7508 | jne 0xa $sequence_8 = { 8d4c2444 89542458 51 89442460 } // n = 4, score = 100 // 8d4c2444 | lea ecx, [esp + 0x44] // 89542458 | mov dword ptr [esp + 0x58], edx // 51 | push ecx // 89442460 | mov dword ptr [esp + 0x60], eax $sequence_9 = { 0107 83570400 85c9 7508 } // n = 4, score = 100 // 0107 | add dword ptr [edi], eax // 83570400 | adc dword ptr [edi + 4], 0 // 85c9 | test ecx, ecx // 7508 | jne 0xa $sequence_10 = { 8d4c2444 51 52 e8???????? 83c408 85c0 0f853d040000 } // n = 7, score = 100 // 8d4c2444 | lea ecx, [esp + 0x44] // 51 | push ecx // 52 | push edx // e8???????? | // 83c408 | add esp, 8 // 85c0 | test eax, eax // 0f853d040000 | jne 0x443 $sequence_11 = { 010b 8945fc 8bc2 83530400 } // n = 4, score = 100 // 010b | add dword ptr [ebx], ecx // 8945fc | mov dword ptr [ebp - 4], eax // 8bc2 | mov eax, edx // 83530400 | adc dword ptr [ebx + 4], 0 $sequence_12 = { 0103 ebaa 8b442408 56 } // n = 4, score = 100 // 0103 | add dword ptr [ebx], eax // ebaa | jmp 0xffffffac // 8b442408 | mov eax, dword ptr [esp + 8] // 56 | push esi $sequence_13 = { 0103 014510 294514 83665800 } // n = 4, score = 100 // 0103 | add dword ptr [ebx], eax // 014510 | add dword ptr [ebp + 0x10], eax // 294514 | sub dword ptr [ebp + 0x14], eax // 83665800 | and dword ptr [esi + 0x58], 0 $sequence_14 = { 0108 8b8e44010000 114804 8b4f18 } // n = 4, score = 100 // 0108 | add dword ptr [eax], ecx // 8b8e44010000 | mov ecx, dword ptr [esi + 0x144] // 114804 | adc dword ptr [eax + 4], ecx // 8b4f18 | mov ecx, dword ptr [edi + 0x18] $sequence_15 = { 8d4c2444 68???????? 51 6a64 } // n = 4, score = 100 // 8d4c2444 | lea ecx, [esp + 0x44] // 68???????? | // 51 | push ecx // 6a64 | push 0x64 condition: 7 of them and filesize < 1155072 }
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