SYMBOLCOMMON_NAMEaka. SYNONYMS
win.kelihos (Back to overview)

Kelihos


There is no description at this point.

References
2020-03-15The Shadowserver FoundationShadowserver Foundation
@online{foundation:20200315:has:80a92d5, author = {Shadowserver Foundation}, title = {{Has The Sun Set On The Necurs Botnet?}}, date = {2020-03-15}, organization = {The Shadowserver Foundation}, url = {https://www.shadowserver.org/news/has-the-sun-set-on-the-necurs-botnet/}, language = {English}, urldate = {2020-03-17} } Has The Sun Set On The Necurs Botnet?
Andromeda Cutwail Kelihos Necurs Pushdo
2019-08-21WikipediaWikipedia
@online{wikipedia:20190821:kelihos:3b8f891, author = {Wikipedia}, title = {{Kelihos botnet}}, date = {2019-08-21}, organization = {Wikipedia}, url = {https://en.wikipedia.org/wiki/Kelihos_botnet}, language = {English}, urldate = {2019-11-24} } Kelihos botnet
Kelihos
2017-11-04WiredGarrett M. Graff
@online{graff:20171104:how:7a25415, author = {Garrett M. Graff}, title = {{How the FBI Took Down Russia's Spam King—And His Massive Botnet}}, date = {2017-11-04}, organization = {Wired}, url = {https://www.wired.com/2017/04/fbi-took-russias-spam-king-massive-botnet/}, language = {English}, urldate = {2019-12-03} } How the FBI Took Down Russia's Spam King—And His Massive Botnet
Kelihos
2017-10-06CERT.PLMaciej Kotowicz, Jarosław Jedynak
@techreport{kotowicz:20171006:peering:668c82e, author = {Maciej Kotowicz and Jarosław Jedynak}, title = {{Peering into spam botnets}}, date = {2017-10-06}, institution = {CERT.PL}, url = {https://lokalhost.pl/txt/peering.into.spam.botnets.VirusBulletin2017.pdf}, language = {English}, urldate = {2020-04-06} } Peering into spam botnets
Emotet Kelihos Necurs SendSafe Tofsee
2017-04-13CrowdStrikeFalcon Intelligence Team
@online{team:20170413:inside:c7362e6, author = {Falcon Intelligence Team}, title = {{Inside the Takedown of ZOMBIE SPIDER and the Kelihos Botnet}}, date = {2017-04-13}, organization = {CrowdStrike}, url = {https://www.crowdstrike.com/blog/inside-the-takedown-of-zombie-spider-and-the-kelihos-botnet/}, language = {English}, urldate = {2019-12-20} } Inside the Takedown of ZOMBIE SPIDER and the Kelihos Botnet
Kelihos
2017-04-10CyberScoopPatrick Howell O'Neill
@online{oneill:20170410:doj:d09e1f5, author = {Patrick Howell O'Neill}, title = {{DOJ moves to topple Kelihos, one of the world's largest botnets}}, date = {2017-04-10}, organization = {CyberScoop}, url = {https://www.cyberscoop.com/doj-kelihos-botnet-peter-levashov-severa/}, language = {English}, urldate = {2020-01-09} } DOJ moves to topple Kelihos, one of the world's largest botnets
Kelihos
Yara Rules
[TLP:WHITE] win_kelihos_auto (20201023 | autogenerated rule brought to you by yara-signator)
rule win_kelihos_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.kelihos"
        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 = { c745ec0f000000 e8???????? 6a01 8d45d0 50 895dfc 8bc6 }
            // n = 7, score = 300
            //   c745ec0f000000       | mov                 dword ptr [ebp - 0x14], 0xf
            //   e8????????           |                     
            //   6a01                 | push                1
            //   8d45d0               | lea                 eax, [ebp - 0x30]
            //   50                   | push                eax
            //   895dfc               | mov                 dword ptr [ebp - 4], ebx
            //   8bc6                 | mov                 eax, esi

        $sequence_1 = { e8???????? 56 57 ff7510 83c038 8bc8 e8???????? }
            // n = 7, score = 300
            //   e8????????           |                     
            //   56                   | push                esi
            //   57                   | push                edi
            //   ff7510               | push                dword ptr [ebp + 0x10]
            //   83c038               | add                 eax, 0x38
            //   8bc8                 | mov                 ecx, eax
            //   e8????????           |                     

        $sequence_2 = { e8???????? 834dfcff 8d4514 e8???????? 8ac3 e8???????? c3 }
            // n = 7, score = 300
            //   e8????????           |                     
            //   834dfcff             | or                  dword ptr [ebp - 4], 0xffffffff
            //   8d4514               | lea                 eax, [ebp + 0x14]
            //   e8????????           |                     
            //   8ac3                 | mov                 al, bl
            //   e8????????           |                     
            //   c3                   | ret                 

        $sequence_3 = { eb02 32c0 84c0 0f856bffffff c644241301 83ff2f 0f855dffffff }
            // n = 7, score = 300
            //   eb02                 | jmp                 4
            //   32c0                 | xor                 al, al
            //   84c0                 | test                al, al
            //   0f856bffffff         | jne                 0xffffff71
            //   c644241301           | mov                 byte ptr [esp + 0x13], 1
            //   83ff2f               | cmp                 edi, 0x2f
            //   0f855dffffff         | jne                 0xffffff63

        $sequence_4 = { ff15???????? 834e04ff ff15???????? 83f8ff 7506 ff15???????? c60600 }
            // n = 7, score = 300
            //   ff15????????         |                     
            //   834e04ff             | or                  dword ptr [esi + 4], 0xffffffff
            //   ff15????????         |                     
            //   83f8ff               | cmp                 eax, -1
            //   7506                 | jne                 8
            //   ff15????????         |                     
            //   c60600               | mov                 byte ptr [esi], 0

        $sequence_5 = { c78550ffffff01000000 e8???????? 83a558ffffff00 e8???????? 83c604 89855cffffff 56 }
            // n = 7, score = 300
            //   c78550ffffff01000000     | mov    dword ptr [ebp - 0xb0], 1
            //   e8????????           |                     
            //   83a558ffffff00       | and                 dword ptr [ebp - 0xa8], 0
            //   e8????????           |                     
            //   83c604               | add                 esi, 4
            //   89855cffffff         | mov                 dword ptr [ebp - 0xa4], eax
            //   56                   | push                esi

        $sequence_6 = { ffd5 0fb7f0 b803000000 8d4805 8d50ff e8???????? 83ffff }
            // n = 7, score = 300
            //   ffd5                 | call                ebp
            //   0fb7f0               | movzx               esi, ax
            //   b803000000           | mov                 eax, 3
            //   8d4805               | lea                 ecx, [eax + 5]
            //   8d50ff               | lea                 edx, [eax - 1]
            //   e8????????           |                     
            //   83ffff               | cmp                 edi, -1

        $sequence_7 = { eb78 be54660310 b8cc650310 eb6c be58660310 b8cc650310 eb60 }
            // n = 7, score = 300
            //   eb78                 | jmp                 0x7a
            //   be54660310           | mov                 esi, 0x10036654
            //   b8cc650310           | mov                 eax, 0x100365cc
            //   eb6c                 | jmp                 0x6e
            //   be58660310           | mov                 esi, 0x10036658
            //   b8cc650310           | mov                 eax, 0x100365cc
            //   eb60                 | jmp                 0x62

        $sequence_8 = { c645fc03 e8???????? 8d45d4 46 50 56 ff75ac }
            // n = 7, score = 300
            //   c645fc03             | mov                 byte ptr [ebp - 4], 3
            //   e8????????           |                     
            //   8d45d4               | lea                 eax, [ebp - 0x2c]
            //   46                   | inc                 esi
            //   50                   | push                eax
            //   56                   | push                esi
            //   ff75ac               | push                dword ptr [ebp - 0x54]

        $sequence_9 = { c645fc02 e8???????? ff75ec 8bce ff75f0 c645fc01 e8???????? }
            // n = 7, score = 300
            //   c645fc02             | mov                 byte ptr [ebp - 4], 2
            //   e8????????           |                     
            //   ff75ec               | push                dword ptr [ebp - 0x14]
            //   8bce                 | mov                 ecx, esi
            //   ff75f0               | push                dword ptr [ebp - 0x10]
            //   c645fc01             | mov                 byte ptr [ebp - 4], 1
            //   e8????????           |                     

    condition:
        7 of them and filesize < 4702208
}
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