There is no description at this point.
rule win_globeimposter_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.globeimposter" 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 = { 0ff4d0 0f6e6604 0ff4e0 0f6e7608 0ff4f0 0f6e7e0c } // n = 6, score = 700 // 0ff4d0 | pmuludq mm2, mm0 // 0f6e6604 | movd mm4, dword ptr [esi + 4] // 0ff4e0 | pmuludq mm4, mm0 // 0f6e7608 | movd mm6, dword ptr [esi + 8] // 0ff4f0 | pmuludq mm6, mm0 // 0f6e7e0c | movd mm7, dword ptr [esi + 0xc] $sequence_1 = { 45 8364241000 8d442410 50 6880000000 8d44241c } // n = 6, score = 700 // 45 | inc ebp // 8364241000 | and dword ptr [esp + 0x10], 0 // 8d442410 | lea eax, [esp + 0x10] // 50 | push eax // 6880000000 | push 0x80 // 8d44241c | lea eax, [esp + 0x1c] $sequence_2 = { 43 85d2 7e18 8d4e7c 8b41fc 3b01 } // n = 6, score = 700 // 43 | inc ebx // 85d2 | test edx, edx // 7e18 | jle 0x1a // 8d4e7c | lea ecx, [esi + 0x7c] // 8b41fc | mov eax, dword ptr [ecx - 4] // 3b01 | cmp eax, dword ptr [ecx] $sequence_3 = { 8b450c 99 33c2 c745f401000000 } // n = 4, score = 700 // 8b450c | mov eax, dword ptr [ebp + 0xc] // 99 | cdq // 33c2 | xor eax, edx // c745f401000000 | mov dword ptr [ebp - 0xc], 1 $sequence_4 = { 48 8bfb 2bf8 89442414 } // n = 4, score = 700 // 48 | dec eax // 8bfb | mov edi, ebx // 2bf8 | sub edi, eax // 89442414 | mov dword ptr [esp + 0x14], eax $sequence_5 = { 5e 5b 5f 5d 83c420 c20c00 } // n = 6, score = 700 // 5e | pop esi // 5b | pop ebx // 5f | pop edi // 5d | pop ebp // 83c420 | add esp, 0x20 // c20c00 | ret 0xc $sequence_6 = { 7e0e 8d4678 8928 41 8d4014 3b4e6c } // n = 6, score = 700 // 7e0e | jle 0x10 // 8d4678 | lea eax, [esi + 0x78] // 8928 | mov dword ptr [eax], ebp // 41 | inc ecx // 8d4014 | lea eax, [eax + 0x14] // 3b4e6c | cmp ecx, dword ptr [esi + 0x6c] $sequence_7 = { 7505 6ac4 58 eb2f } // n = 4, score = 700 // 7505 | jne 7 // 6ac4 | push -0x3c // 58 | pop eax // eb2f | jmp 0x31 $sequence_8 = { 8d0445ffffffff 8945f0 8d45fc 8945f8 8d45f0 50 } // n = 6, score = 700 // 8d0445ffffffff | lea eax, [eax*2 - 1] // 8945f0 | mov dword ptr [ebp - 0x10], eax // 8d45fc | lea eax, [ebp - 4] // 8945f8 | mov dword ptr [ebp - 8], eax // 8d45f0 | lea eax, [ebp - 0x10] // 50 | push eax $sequence_9 = { ff15???????? 85c0 7405 3975fc 7405 6afe 58 } // n = 7, score = 700 // ff15???????? | // 85c0 | test eax, eax // 7405 | je 7 // 3975fc | cmp dword ptr [ebp - 4], esi // 7405 | je 7 // 6afe | push -2 // 58 | pop eax condition: 7 of them and filesize < 327680 }
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