There is no description at this point.
rule win_ruckguv_auto { meta: author = "Felix Bilstein - yara-signator at cocacoding dot com" date = "2020-12-22" version = "1" description = "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.ruckguv" malpedia_rule_date = "20201222" malpedia_hash = "30354d830a29f0fbd3714d93d94dea941d77a130" malpedia_version = "20201023" 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 = { 03ce 0111 ff45fc 83450802 397dfc 72ba } // n = 6, score = 200 // 03ce | add ecx, esi // 0111 | add dword ptr [ecx], edx // ff45fc | inc dword ptr [ebp - 4] // 83450802 | add dword ptr [ebp + 8], 2 // 397dfc | cmp dword ptr [ebp - 4], edi // 72ba | jb 0xffffffbc $sequence_1 = { 50 68???????? e8???????? 6814f1f808 6a01 } // n = 5, score = 200 // 50 | push eax // 68???????? | // e8???????? | // 6814f1f808 | push 0x8f8f114 // 6a01 | push 1 $sequence_2 = { 51 ffd0 8bf0 3bf3 7508 } // n = 5, score = 200 // 51 | push ecx // ffd0 | call eax // 8bf0 | mov esi, eax // 3bf3 | cmp esi, ebx // 7508 | jne 0xa $sequence_3 = { 0fb645fe 03c1 8a18 fe45ff 881e } // n = 5, score = 200 // 0fb645fe | movzx eax, byte ptr [ebp - 2] // 03c1 | add eax, ecx // 8a18 | mov bl, byte ptr [eax] // fe45ff | inc byte ptr [ebp - 1] // 881e | mov byte ptr [esi], bl $sequence_4 = { 7583 5e 5f 33c0 } // n = 4, score = 200 // 7583 | jne 0xffffff85 // 5e | pop esi // 5f | pop edi // 33c0 | xor eax, eax $sequence_5 = { 8d8da0feffff 51 ffd0 8d85a0feffff 50 68???????? } // n = 6, score = 200 // 8d8da0feffff | lea ecx, [ebp - 0x160] // 51 | push ecx // ffd0 | call eax // 8d85a0feffff | lea eax, [ebp - 0x160] // 50 | push eax // 68???????? | $sequence_6 = { 6814f1f808 6a01 897558 e8???????? } // n = 4, score = 200 // 6814f1f808 | push 0x8f8f114 // 6a01 | push 1 // 897558 | mov dword ptr [ebp + 0x58], esi // e8???????? | $sequence_7 = { 6a01 e8???????? 83c40c 8d8da0feffff 51 ffd0 } // n = 6, score = 200 // 6a01 | push 1 // e8???????? | // 83c40c | add esp, 0xc // 8d8da0feffff | lea ecx, [ebp - 0x160] // 51 | push ecx // ffd0 | call eax $sequence_8 = { 3bf3 7508 83c8ff e9???????? 6866bd7db8 6a06 } // n = 6, score = 200 // 3bf3 | cmp esi, ebx // 7508 | jne 0xa // 83c8ff | or eax, 0xffffffff // e9???????? | // 6866bd7db8 | push 0xb87dbd66 // 6a06 | push 6 $sequence_9 = { c745a444000000 668945d4 e8???????? 59 59 8d4d2c } // n = 6, score = 200 // c745a444000000 | mov dword ptr [ebp - 0x5c], 0x44 // 668945d4 | mov word ptr [ebp - 0x2c], ax // e8???????? | // 59 | pop ecx // 59 | pop ecx // 8d4d2c | lea ecx, [ebp + 0x2c] condition: 7 of them and filesize < 41024 }
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