Actor(s): Turla
There is no description at this point.
rule win_wipbot_auto { meta: author = "Felix Bilstein - yara-signator at cocacoding dot com" date = "2026-09-17" version = "1" description = "Detects win.wipbot." 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.wipbot" 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 = { 48 89cb 48 89d6 b98855514f ba4656f1f6 e8???????? } // n = 7, score = 100 // 48 | dec eax // 89cb | mov ebx, ecx // 48 | dec eax // 89d6 | mov esi, edx // b98855514f | mov ecx, 0x4f515588 // ba4656f1f6 | mov edx, 0xf6f15646 // e8???????? | $sequence_1 = { 0f852effffff ff45c0 83c202 8b75ec 3975c0 7598 89d1 } // n = 7, score = 100 // 0f852effffff | jne 0xffffff34 // ff45c0 | inc dword ptr [ebp - 0x40] // 83c202 | add edx, 2 // 8b75ec | mov esi, dword ptr [ebp - 0x14] // 3975c0 | cmp dword ptr [ebp - 0x40], esi // 7598 | jne 0xffffff9a // 89d1 | mov ecx, edx $sequence_2 = { 48 89c6 750f e8???????? 0d00002100 e9???????? } // n = 6, score = 100 // 48 | dec eax // 89c6 | mov esi, eax // 750f | jne 0x11 // e8???????? | // 0d00002100 | or eax, 0x210000 // e9???????? | $sequence_3 = { b801000000 0f8485000000 e8???????? 85c0 89c7 } // n = 5, score = 100 // b801000000 | mov eax, 1 // 0f8485000000 | je 0x8b // e8???????? | // 85c0 | test eax, eax // 89c7 | mov edi, eax $sequence_4 = { 8d55f4 8954240c 8d55f0 c744241440000000 c744241000300000 c744240800000000 } // n = 6, score = 100 // 8d55f4 | lea edx, [ebp - 0xc] // 8954240c | mov dword ptr [esp + 0xc], edx // 8d55f0 | lea edx, [ebp - 0x10] // c744241440000000 | mov dword ptr [esp + 0x14], 0x40 // c744241000300000 | mov dword ptr [esp + 0x10], 0x3000 // c744240800000000 | mov dword ptr [esp + 8], 0 $sequence_5 = { 55 89e5 83ec10 e8???????? 85c0 7504 } // n = 6, score = 100 // 55 | push ebp // 89e5 | mov ebp, esp // 83ec10 | sub esp, 0x10 // e8???????? | // 85c0 | test eax, eax // 7504 | jne 6 $sequence_6 = { e8???????? 48 85c0 48 89c3 7504 31c0 } // n = 7, score = 100 // e8???????? | // 48 | dec eax // 85c0 | test eax, eax // 48 | dec eax // 89c3 | mov ebx, eax // 7504 | jne 6 // 31c0 | xor eax, eax $sequence_7 = { eb8e 8b45f4 e8???????? 31d2 b8feffffff e8???????? 8d65f8 } // n = 7, score = 100 // eb8e | jmp 0xffffff90 // 8b45f4 | mov eax, dword ptr [ebp - 0xc] // e8???????? | // 31d2 | xor edx, edx // b8feffffff | mov eax, 0xfffffffe // e8???????? | // 8d65f8 | lea esp, [ebp - 8] $sequence_8 = { c1fa1f c1f91f 89542420 8d5594 894c2428 89d1 8954240c } // n = 7, score = 100 // c1fa1f | sar edx, 0x1f // c1f91f | sar ecx, 0x1f // 89542420 | mov dword ptr [esp + 0x20], edx // 8d5594 | lea edx, [ebp - 0x6c] // 894c2428 | mov dword ptr [esp + 0x28], ecx // 89d1 | mov ecx, edx // 8954240c | mov dword ptr [esp + 0xc], edx $sequence_9 = { c644246f00 48 8d4b20 896c2430 89742428 44 895c2420 } // n = 7, score = 100 // c644246f00 | mov byte ptr [esp + 0x6f], 0 // 48 | dec eax // 8d4b20 | lea ecx, [ebx + 0x20] // 896c2430 | mov dword ptr [esp + 0x30], ebp // 89742428 | mov dword ptr [esp + 0x28], esi // 44 | inc esp // 895c2420 | mov dword ptr [esp + 0x20], ebx condition: 7 of them and filesize < 253952 }
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