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 = "2023-01-25" 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 = "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 = { 05f8fdffff 3bf0 7615 8145fc08020000 6a42 ff75fc } // n = 6, score = 100 // 05f8fdffff | add eax, 0xfffffdf8 // 3bf0 | cmp esi, eax // 7615 | jbe 0x17 // 8145fc08020000 | add dword ptr [ebp - 4], 0x208 // 6a42 | push 0x42 // ff75fc | push dword ptr [ebp - 4] $sequence_1 = { 8a45ff 0ac1 880437 47 8b5d08 ff45f4 8b4308 } // n = 7, score = 100 // 8a45ff | mov al, byte ptr [ebp - 1] // 0ac1 | or al, cl // 880437 | mov byte ptr [edi + esi], al // 47 | inc edi // 8b5d08 | mov ebx, dword ptr [ebp + 8] // ff45f4 | inc dword ptr [ebp - 0xc] // 8b4308 | mov eax, dword ptr [ebx + 8] $sequence_2 = { 8b30 3bf0 0f8407010000 8b4e08 8d45e0 } // n = 5, score = 100 // 8b30 | mov esi, dword ptr [eax] // 3bf0 | cmp esi, eax // 0f8407010000 | je 0x10d // 8b4e08 | mov ecx, dword ptr [esi + 8] // 8d45e0 | lea eax, [ebp - 0x20] $sequence_3 = { 50 8d8570ffffff 50 ff75b8 ff15???????? 85c0 7509 } // n = 7, score = 100 // 50 | push eax // 8d8570ffffff | lea eax, [ebp - 0x90] // 50 | push eax // ff75b8 | push dword ptr [ebp - 0x48] // ff15???????? | // 85c0 | test eax, eax // 7509 | jne 0xb $sequence_4 = { 55 8bec 81eca80f0000 53 33db 56 } // n = 6, score = 100 // 55 | push ebp // 8bec | mov ebp, esp // 81eca80f0000 | sub esp, 0xfa8 // 53 | push ebx // 33db | xor ebx, ebx // 56 | push esi $sequence_5 = { 8d8580fbffff 50 ffd6 8a450b 83c414 } // n = 5, score = 100 // 8d8580fbffff | lea eax, [ebp - 0x480] // 50 | push eax // ffd6 | call esi // 8a450b | mov al, byte ptr [ebp + 0xb] // 83c414 | add esp, 0x14 $sequence_6 = { 57 8b4608 8b4e04 50 51 8bce e8???????? } // n = 7, score = 100 // 57 | push edi // 8b4608 | mov eax, dword ptr [esi + 8] // 8b4e04 | mov ecx, dword ptr [esi + 4] // 50 | push eax // 51 | push ecx // 8bce | mov ecx, esi // e8???????? | $sequence_7 = { 33db 8d7e04 53 8bcf 8975f0 8807 ff15???????? } // n = 7, score = 100 // 33db | xor ebx, ebx // 8d7e04 | lea edi, [esi + 4] // 53 | push ebx // 8bcf | mov ecx, edi // 8975f0 | mov dword ptr [ebp - 0x10], esi // 8807 | mov byte ptr [edi], al // ff15???????? | $sequence_8 = { 8b45e4 2b45e0 50 ff750c ff75e0 e8???????? } // n = 6, score = 100 // 8b45e4 | mov eax, dword ptr [ebp - 0x1c] // 2b45e0 | sub eax, dword ptr [ebp - 0x20] // 50 | push eax // ff750c | push dword ptr [ebp + 0xc] // ff75e0 | push dword ptr [ebp - 0x20] // e8???????? | $sequence_9 = { ff750c ff75e0 e8???????? 8b4d08 83c40c 8d45dc } // n = 6, score = 100 // ff750c | push dword ptr [ebp + 0xc] // ff75e0 | push dword ptr [ebp - 0x20] // e8???????? | // 8b4d08 | mov ecx, dword ptr [ebp + 8] // 83c40c | add esp, 0xc // 8d45dc | lea eax, [ebp - 0x24] condition: 7 of them and filesize < 90112 }
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