SYMBOLCOMMON_NAMEaka. SYNONYMS
elf.bashlite (Back to overview)

Bashlite

aka: gayfgt, Gafgyt, qbot, torlus, lizkebab
URLhaus        

There is no description at this point.

References
2021-09-07CUJOAIAlbert Zsigovits
@online{zsigovits:20210907:threat:cabca94, author = {Albert Zsigovits}, title = {{Threat Alert: Mirai/Gafgyt Fork with New DDoS Modules Discovered}}, date = {2021-09-07}, organization = {CUJOAI}, url = {https://cujo.com/mirai-gafgyt-with-new-ddos-modules-discovered/}, language = {English}, urldate = {2021-09-10} } Threat Alert: Mirai/Gafgyt Fork with New DDoS Modules Discovered
Bashlite Mirai
2021-05-17UptycsSiddartha Sharma, Ashwin Vamshi
@online{sharma:20210517:discovery:1cd5315, author = {Siddartha Sharma and Ashwin Vamshi}, title = {{Discovery of Simps Botnet Leads To Ties to Keksec Group}}, date = {2021-05-17}, organization = {Uptycs}, url = {https://www.uptycs.com/blog/discovery-of-simps-botnet-leads-ties-to-keksec-group}, language = {English}, urldate = {2021-05-25} } Discovery of Simps Botnet Leads To Ties to Keksec Group
Bashlite Mirai
2021-04-15UptycsSiddharth Sharma
@online{sharma:20210415:mirai:9db8c55, author = {Siddharth Sharma}, title = {{Mirai code re-use in Gafgyt}}, date = {2021-04-15}, organization = {Uptycs}, url = {https://www.uptycs.com/blog/mirai-code-re-use-in-gafgyt}, language = {English}, urldate = {2021-04-19} } Mirai code re-use in Gafgyt
Bashlite Mirai
2021-03-21BlackberryBlackberry Research
@techreport{research:20210321:2021:a393473, author = {Blackberry Research}, title = {{2021 Threat Report}}, date = {2021-03-21}, institution = {Blackberry}, url = {https://www.blackberry.com/content/dam/blackberry-com/asset/enterprise/pdf/direct/report-bb-2021-threat-report.pdf}, language = {English}, urldate = {2021-03-25} } 2021 Threat Report
Bashlite FritzFrog IPStorm Mirai Tsunami elf.wellmess AppleJeus Dacls EvilQuest Manuscrypt Astaroth BazarBackdoor Cerber Cobalt Strike Emotet FinFisher RAT Kwampirs MimiKatz NjRAT Ryuk SmokeLoader TrickBot
2021-03-04360 netlabJinye
@online{jinye:20210304:gafgtyttor:ba71f67, author = {Jinye}, title = {{Gafgtyt_tor and Necro are on the move again}}, date = {2021-03-04}, organization = {360 netlab}, url = {https://blog.netlab.360.com/gafgtyt_tor-and-necro-are-on-the-move-again/}, language = {English}, urldate = {2021-03-06} } Gafgtyt_tor and Necro are on the move again
Bashlite N3Cr0m0rPh
2020-12-07AviraAvira Protection Labs
@online{labs:20201207:gafgyt:62e7155, author = {Avira Protection Labs}, title = {{A Gafgyt variant that exploits Pulse Secure CVE-2020-8218}}, date = {2020-12-07}, organization = {Avira}, url = {https://www.avira.com/en/blog/a-gafgyt-variant-that-exploits-pulse-secure-cve-2020-8218}, language = {English}, urldate = {2020-12-09} } A Gafgyt variant that exploits Pulse Secure CVE-2020-8218
Bashlite
2020-07-06360 netlabYa Liu
@online{liu:20200706:gafgyt:9fb2ccc, author = {Ya Liu}, title = {{The Gafgyt variant vbot seen in its 31 campaigns}}, date = {2020-07-06}, organization = {360 netlab}, url = {https://blog.netlab.360.com/the-gafgyt-variant-vbot-and-its-31-campaigns/}, language = {English}, urldate = {2020-07-06} } The Gafgyt variant vbot seen in its 31 campaigns
Bashlite
2020-05-14paloalto Networks Unit 42Ruchna Nigam
@online{nigam:20200514:mirai:65d9d83, author = {Ruchna Nigam}, title = {{Mirai and Hoaxcalls Botnets Target Legacy Symantec Web Gateways}}, date = {2020-05-14}, organization = {paloalto Networks Unit 42}, url = {https://unit42.paloaltonetworks.com/hoaxcalls-mirai-target-legacy-symantec-web-gateways/}, language = {English}, urldate = {2020-05-18} } Mirai and Hoaxcalls Botnets Target Legacy Symantec Web Gateways
Bashlite Mirai
2016-09-21Brian Krebs
@online{krebs:20160921:krebsonsecurity:259c3cd, author = {Brian Krebs}, title = {{KrebsOnSecurity Hit With Record DDoS}}, date = {2016-09-21}, url = {https://krebsonsecurity.com/2016/09/krebsonsecurity-hit-with-record-ddos/}, language = {English}, urldate = {2019-12-18} } KrebsOnSecurity Hit With Record DDoS
Bashlite
2014-11-13Trend MicroRhena Inocencio
@online{inocencio:20141113:bashlite:647137b, author = {Rhena Inocencio}, title = {{BASHLITE Affects Devices Running on BusyBox}}, date = {2014-11-13}, organization = {Trend Micro}, url = {http://blog.trendmicro.com/trendlabs-security-intelligence/bashlite-affects-devices-running-on-busybox/}, language = {English}, urldate = {2019-07-10} } BASHLITE Affects Devices Running on BusyBox
Bashlite
Yara Rules
[TLP:WHITE] elf_bashlite_auto (20210616 | Detects elf.bashlite.)
rule elf_bashlite_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2021-06-10"
        version = "1"
        description = "Detects elf.bashlite."
        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/elf.bashlite"
        malpedia_rule_date = "20210604"
        malpedia_hash = "be09d5d71e77373c0f538068be31a2ad4c69cfbd"
        malpedia_version = "20210616"
        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 = { 21d0 3345fc c9 c3 55 }
            // n = 5, score = 300
            //   21d0                 | mov                 dword ptr [ebp - 4], 0
            //   3345fc               | mov                 edi, 0x512c00
            //   c9                   | inc                 esp
            //   c3                   | mov                 edi, esp
            //   55                   | mov                 edi, 0x512c00

        $sequence_1 = { e8???????? 89c2 89d0 c1e81f }
            // n = 4, score = 300
            //   e8????????           |                     
            //   89c2                 | mov                 byte ptr [ebx], 0
            //   89d0                 | sub                 eax, edx
            //   c1e81f               | cmp                 eax, dword ptr [esp + 0x7c]

        $sequence_2 = { e8???????? 8945ec 837dec00 750b 8b45ec }
            // n = 5, score = 300
            //   e8????????           |                     
            //   8945ec               | je                  0xffffff7c
            //   837dec00             | mov                 al, byte ptr [ebp - 0xf]
            //   750b                 | cmp                 al, 0xc0
            //   8b45ec               | mov                 al, byte ptr [ebp - 0xd]

        $sequence_3 = { f7d0 21d0 3345fc c9 }
            // n = 4, score = 300
            //   f7d0                 | mov                 ecx, eax
            //   21d0                 | dec                 eax
            //   3345fc               | mov                 edx, dword ptr [ebp - 0x40]
            //   c9                   | mov                 edi, 0x800

        $sequence_4 = { 750c e8???????? 8b00 83f804 }
            // n = 4, score = 300
            //   750c                 | cmp                 al, 0xfc
            //   e8????????           |                     
            //   8b00                 | jne                 0x18a
            //   83f804               | dec                 eax

        $sequence_5 = { eb0a c785ecefffff00000000 8b85ecefffff c9 c3 }
            // n = 5, score = 300
            //   eb0a                 | mov                 eax, dword ptr [eax]
            //   c785ecefffff00000000     | mov    dword ptr [ebp - 0x108], eax
            //   8b85ecefffff         | mov                 dword ptr [ebp - 0x10c], 0x8056e9e
            //   c9                   | mov                 dword ptr [ebp - 0x110], 5
            //   c3                   | mov                 eax, dword ptr [ebp + 0xc]

        $sequence_6 = { 8b85ecefffff c9 c3 55 }
            // n = 4, score = 300
            //   8b85ecefffff         | add                 eax, 0x41
            //   c9                   | mov                 byte ptr [ebx], al
            //   c3                   | mov                 dword ptr [ebp - 0x1c], edx
            //   55                   | mov                 eax, dword ptr [ebp - 0x20]

        $sequence_7 = { c1f802 89c2 89d0 01c0 01d0 }
            // n = 5, score = 300
            //   c1f802               | mov                 dword ptr [ebp - 0x88], eax
            //   89c2                 | jmp                 0x159
            //   89d0                 | mov                 dword ptr [esp], eax
            //   01c0                 | mov                 ecx, eax
            //   01d0                 | or                  ecx, 0x800

        $sequence_8 = { 85c0 750c c785ecefffff01000000 eb0a c785ecefffff00000000 8b85ecefffff }
            // n = 6, score = 300
            //   85c0                 | mov                 dword ptr [ebp - 0x4c], edx
            //   750c                 | dec                 eax
            //   c785ecefffff01000000     | mov    edi, dword ptr [ebp - 0x18]
            //   eb0a                 | mov                 ecx, dword ptr [ebp - 0x38]
            //   c785ecefffff00000000     | mov    edx, dword ptr [ebp - 0x3c]
            //   8b85ecefffff         | add                 dword ptr [ebp - 0x34], eax

        $sequence_9 = { 21d0 3345fc c9 c3 }
            // n = 4, score = 300
            //   21d0                 | mov                 eax, dword ptr [ebp - 0x1c]
            //   3345fc               | mov                 word ptr [eax + 0xa], dx
            //   c9                   | mov                 dword ptr [esp], 0
            //   c3                   | movzx               edx, ax

    condition:
        7 of them and filesize < 274018
}
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