Actor(s): Aurora Panda
There is no description at this point.
rule win_deputydog_auto { meta: author = "Felix Bilstein - yara-signator at cocacoding dot com" date = "2023-07-11" version = "1" description = "Detects win.deputydog." 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.deputydog" malpedia_rule_date = "20230705" malpedia_hash = "42d0574f4405bd7d2b154d321d345acb18834a41" malpedia_version = "20230715" 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 = { 8d85c0fdffff 6a08 50 8d043e 50 e8???????? 83c430 } // n = 7, score = 100 // 8d85c0fdffff | lea eax, [ebp - 0x240] // 6a08 | push 8 // 50 | push eax // 8d043e | lea eax, [esi + edi] // 50 | push eax // e8???????? | // 83c430 | add esp, 0x30 $sequence_1 = { 6a01 8d4e04 ff15???????? 8b4df4 5e } // n = 5, score = 100 // 6a01 | push 1 // 8d4e04 | lea ecx, [esi + 4] // ff15???????? | // 8b4df4 | mov ecx, dword ptr [ebp - 0xc] // 5e | pop esi $sequence_2 = { ff15???????? 8b461c 8b00 83c008 8b4004 } // n = 5, score = 100 // ff15???????? | // 8b461c | mov eax, dword ptr [esi + 0x1c] // 8b00 | mov eax, dword ptr [eax] // 83c008 | add eax, 8 // 8b4004 | mov eax, dword ptr [eax + 4] $sequence_3 = { 8bce 895dfc e8???????? 85c0 7508 885d0f } // n = 6, score = 100 // 8bce | mov ecx, esi // 895dfc | mov dword ptr [ebp - 4], ebx // e8???????? | // 85c0 | test eax, eax // 7508 | jne 0xa // 885d0f | mov byte ptr [ebp + 0xf], bl $sequence_4 = { 50 8d4514 50 e8???????? e9???????? 6a01 5b } // n = 7, score = 100 // 50 | push eax // 8d4514 | lea eax, [ebp + 0x14] // 50 | push eax // e8???????? | // e9???????? | // 6a01 | push 1 // 5b | pop ebx $sequence_5 = { 8d85a4fbffff 50 ffd6 8b4dfc 83c410 8d85a4fbffff 50 } // n = 7, score = 100 // 8d85a4fbffff | lea eax, [ebp - 0x45c] // 50 | push eax // ffd6 | call esi // 8b4dfc | mov ecx, dword ptr [ebp - 4] // 83c410 | add esp, 0x10 // 8d85a4fbffff | lea eax, [ebp - 0x45c] // 50 | push eax $sequence_6 = { ff15???????? 8b450c 8b4004 eb05 a1???????? 85ff 0f8ec5000000 } // n = 7, score = 100 // ff15???????? | // 8b450c | mov eax, dword ptr [ebp + 0xc] // 8b4004 | mov eax, dword ptr [eax + 4] // eb05 | jmp 7 // a1???????? | // 85ff | test edi, edi // 0f8ec5000000 | jle 0xcb $sequence_7 = { 57 53 8d4dd8 8845d8 ff15???????? bf???????? 57 } // n = 7, score = 100 // 57 | push edi // 53 | push ebx // 8d4dd8 | lea ecx, [ebp - 0x28] // 8845d8 | mov byte ptr [ebp - 0x28], al // ff15???????? | // bf???????? | // 57 | push edi $sequence_8 = { 6a01 a3???????? 58 c20c00 b8???????? } // n = 5, score = 100 // 6a01 | push 1 // a3???????? | // 58 | pop eax // c20c00 | ret 0xc // b8???????? | $sequence_9 = { 50 ff15???????? 8d858cfdffff 68???????? } // n = 4, score = 100 // 50 | push eax // ff15???????? | // 8d858cfdffff | lea eax, [ebp - 0x274] // 68???????? | condition: 7 of them and filesize < 90112 }
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